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Leaf structure as related to absorption of pesticides and other compounds

  • Herbert M. Hull
Part of the Residue Reviews/Rückstandsberichte book series (RERERU)

Abstract

Plants are sprayed and dusted with chemicals for numerous reasons. Some of the chemicals applied to plants exert their influence simply by remaining on the foliage surface; others must be absorbed and perhaps translocated before their activity is realized. Many of the compounds used have a mammalian toxicity less than that of table salt, whereas others exceed strychnine in toxicity. Likewise, many are relatively nonphytotoxic but others kill plants readily. Possible foliar residues which may be left by various pesticides are of course influenced by both absorption characteristics and metabolic breakdown. The various plant, environmental, and chemical factors which affect absorption are examined in this review. A variety of pesticides is considered, as well as certain growth regulators and other substances which are not, strictly speaking, “pesticides.” A limited consideration is also given to recent findings relating to penetration of inorganic ions, where the mechanisms involved may bear certain similarities to the penetration of some organic substances which also ionize or hydrolyze during the course of their penetration. Because of this broad coverage, space precludes detailed discussions of all aspects of absorption and of associated structural relationships. These subjects are developed quite fully in many of the reviews listed below and in the introductions to some of the specific sections in this report.

Keywords

Droplet Size Guard Cell Leaf Structure Foliar Absorption Phenoxyacetic Acid 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Ahlgren, G. E., and T. W. Sudia: Absorption of P-32 by leaves of Glycine max of different ages. Bot. Gaz. 125, 204 (1964).Google Scholar
  2. Ahlgren, G. E., and T. W. Sudia: Studies on the mechanism of the foliar absorption of phosphate. In: Proceedings of the symposium on isotopes in plant nutrition and physiology, p. 347. Sept. 5–9, 1966, Vienna. Internat. Atomic Energy Agency: Vienna, Austria (1967).Google Scholar
  3. Ahmad, K. J.: Cuticular studies on Solanaceae. Can. J. Bot. 42, 793 (1964).Google Scholar
  4. Akhavein, A. A., and D. L. Linscott: The dipyridylium herbicides, paraquat and diquat. Residue Reviews 23, 97 (1968).PubMedGoogle Scholar
  5. Albersheim, P., and U. Killias: Histochemical localization at the electron microscope level. Amer. J. Bot. 50, 732 (1963).Google Scholar
  6. Altergot, V. F., and V. E. Kiselev: O prirode sovmestnogo deistviya na pshenitsu i shirokolistnye sornyaki smesei rastvorov minera Fnykh solei i 2,4-D, wodimykh cherez list. In: Fiziologicheskie osnovy priemov povyshenii ustoichivosti i produktivnosti rastenii v Sibiri. Sib. Otd. Akad. Nauk. SSSR: Novosibirsk, p. 149 (1963); through Ref. Zh. Biol. No. 3G125 (1965).Google Scholar
  7. Ambler, J. E.: Translocation of strontium from leaves of bean and corn plants. Radiat. Bot. 4, 259 (1964).Google Scholar
  8. Ambler, J. E., and R. G. Menzel: Retention of foliar applications of Sr85 by several plant species as affected by temperature and relative humidity of the air. Radiat. Bot. 6, 219 (1966).Google Scholar
  9. Ambronn, H.: Über das optische Verhalten der Cuticula und der verkorkten Membranen. Ber. Deut. Bot. Ges. 6, 226 (1888).Google Scholar
  10. Amelunxen, F., K. Morgenroth, and T. Picksak: Untersuchungen an der Epidermis mit dem Stereoscan-Elektronenmikroskop. Z. Pflanzenphysiol. 57, 79 (1967).Google Scholar
  11. Amer, F. A., and W. T. Williams: Drought resistance in Pelargonium zonale. Ann. Bot. 22, 369 (1958).Google Scholar
  12. Amsden, R. C.: Reducing the evaporation of sprays. Agr. Aviat. 4, 88 (1962).Google Scholar
  13. Amsden, R. C., and C. P. Lewins: Assessment of wettability of leaves by dipping in crystal violet [weed control]. World Review Pest Control 5, 187 (1966).Google Scholar
  14. Anderson, D. B.: The distribution of cutin in the outer epidermal wall of Clivia nobilis. Ohio J. Sci. 34, 9 (1934).Google Scholar
  15. Arens, T.: Radialstrukturen in den Stomata von Ouratea spectahilis (Mart.) Engl. Protoplasma 66, 403 (1968).Google Scholar
  16. Arisz, W. H.: Influx and efflux of electrolytes. II. Leakage out of cells and tissues. Acta Bot. Neer. 13, 1 (1964).Google Scholar
  17. Arraes, M. A. B., R. D. Machado, and V. A. Nepomuceno: Sobre a anatomia de folha da carnaubeira Copernicia prunifera (Miller) H. E. Moore. An. Acad. Brasil Cienc. 38, 73 (1966).Google Scholar
  18. Ashworth, R. de B., and G. A. Lloyd: Laboratory and field tests for evaluating the efficiency of wetting agents used in agriculture. J. Sci. Food Agr. 12, 234 (1961).Google Scholar
  19. Aslander, A.: Sulphuric acid as a weed spray. J. Agr. Research 34, 1065 (1927).Google Scholar
  20. Audus, L. J.: The transport of growth regulators in plants. Agrochim. 11, 309 (1967).Google Scholar
  21. Aya, F. O., and S. K. Ries: Influence of oils on the toxicity of amitrole to quackgrass. Weed Sci. 16, 288 (1968).Google Scholar
  22. Badiei, A. A., E. Basler, and P. W. Santelmann: Aspects of movement of 2,4,5-T in blackjack oak. Weeds 14, 302 (1966).Google Scholar
  23. Bain, J. M., and D. McG. McBean: The structure of the cuticular wax of prune plums and its influence as a water barrier. Austral. J. Biol. Sci. 20, 895 (1967).Google Scholar
  24. Baker, E. A., R. F. Batt, and J. T. Martin: Studies on plant cuticle. VII. The nature and determination of cutin. Ann. Applied Biol. 53, 59 (1964).Google Scholar
  25. Baker, E. A., and J. T. Martin: Studies on plant cuticle. X. The cuticles of plants of related families. Ann. Applied Biol. 60, 313 (1967).Google Scholar
  26. Bancher, E., J. Hölzl, and J. Klima: Licht-und elektronenmikroskopische Beobachtungen an der Kutikula der Zwiebelschuppe von Allium cepa. Protoplasma 52, 247 (1960).Google Scholar
  27. Bancher, E., and R. Schiffauer: Zum Mechanismus der stoffwechselbedingten Vakuolenfluorochromierung mit Uranin. Protoplasma 66, 327 (1968).PubMedGoogle Scholar
  28. Bandeen, J. D., and W. C. Verstraete: Effects of several oils and surfactants on the enhancement of atrazine for weed control in corn. Weed Soc. Amer. Abstr., p. 9 (1967).Google Scholar
  29. Barrier, G. E., and W. E. Loomis: Absorption and translocation of 2,4-dichlorophenoxyacetic acid and P32 by leaves. Plant Physiol. 32, 225 (1957).PubMedGoogle Scholar
  30. Basler, E., G. W. Todd, and R. E. Meyer: Effects of moisture stress on absorption, translocation, and distribution of 2,4-dichlorophenoxyacetic acid in bean plants. Plant Physiol. 36, 573 (1961).PubMedGoogle Scholar
  31. Batt, R. F., and J. T. Martin: The cuticle of Cox’s Orange Pippin apples from a manurial trial. J. Hort. Sci. 41, 271 (1966).Google Scholar
  32. Baur, J. R., R. W. Bovey, P. S. Baur, and Z. El. Seify: Effects of paraquat on the ultrastructure of mesquite mesophyll cells. In: Brush research in Texas, p. 68. Texas Agr. Expt. Sta., College Station, Texas (1968).Google Scholar
  33. Bayer, D. E., and H. R. Drever: The effects of dimethyl sulfoxide on absorption and translocation of dalapon and diuron. W. Weed Contr. Conf. Research Progress Rept., p. 106 (1964).Google Scholar
  34. Bayer, D. E., and H. R. Drever: The effects of surfactants on efficiency of foliar-applied diuron. Weeds 13, 222 (1965).Google Scholar
  35. Bayer, D. E., and S. Yamaguchi: Absorption and distribution of diuron-C14. Weeds 13, 232 (1965).Google Scholar
  36. Beasley, C. A., and R. M. Philpot: Personal communication (1969).Google Scholar
  37. Behrens, R.: Influence of various components on the effectiveness of 2,4,5-T sprays. Weeds 5, 183 (1957).Google Scholar
  38. Behrens, R.: The physical and chemical properties of surfactants and their effects on formulated herbicides. Weeds 12, 255 (1964).Google Scholar
  39. Benda, G. T. A.: Vacuolar mass-flow in the floral hairs of Stapelia. Amer. J. Bot. 51, 778 (1964).Google Scholar
  40. Bengtsson, A.: Droppstorlekens inflytande på ogräsmedlens verkan. Växtodling 17, 1 (1961).Google Scholar
  41. Benson, A. A.: Plant membrane lipids. Ann. Rev. Plant Physiol. 15, 1 (1964).Google Scholar
  42. Biswas, P. K., and D. D. Hemphill: Role of growth regulators in the uptake and metabolism of s-triazine herbicide by tea leaves. Nature 207, 215 (1965).PubMedGoogle Scholar
  43. Biswas, P. K., and M. N. Rogers: Effects of hygroscopic agents and pre-hydration of the leaves on absorption of gibberellic acid by column stock, Matthiola incana. Indian J. Plant Physiol. 6, 34 (1963).Google Scholar
  44. Black, F. S.: New concept for spray tank adjuvants. N.C. Weed Control Conf. Proc., p. 39(1968).Google Scholar
  45. Blacklow, W. M., and D. L. Linscott: The fate of 2,4-D applied to Viking birds-foot trefoil and a resistant intercross. Weed Sci. 16, 516 (1968).Google Scholar
  46. Blackman, G. E., R. S. Bruce, and K. Holly: Studies in the principles of phytotoxicity. V. Interrelationships between specific differences in spray retention and selective toxicity. J. Expt. Bot. 9, 175 (1958).Google Scholar
  47. Blumberg, A. A., and P. A. Ilagan: Glucose transport through cellulose acetate membranes: The influence of dimethyl sulfoxide. J. Colloid Interface Sci. 27, 681 (1968).Google Scholar
  48. Bolhar-Nordenkampf, H.: Zur Physiologie der Fluorescein-Speichrung in Pflanzenzellen. Protoplasma 62, 113 (1966).Google Scholar
  49. Bolis, L., V. Capraro, K. R. Porter, and J. D. Robertson: Symposium on biophysics and physiology of biological transport. Proc. 1965 Meeting at Frascati. Protoplasma 63 (1–3), special ed. (1967).Google Scholar
  50. Bolis, L., and B. A. Pethica: Membrane models and the formation of biological membranes. Proc. 1967 Meeting Internat. Conf. Biol. Membranes. Amsterdam: North Holland Publishing Co.; New York: Wiley (1968).Google Scholar
  51. Boroughs, H., and C. Labarca: El uso de humectantes en nutriciön foliar. Turrialba 12, 204 (1962).Google Scholar
  52. Borovyagin, V. L.: Sovremennoe predstavlenie o strukture kletochnykh membran. Tsitol. 9, 505 (1967).Google Scholar
  53. Bovey, R. W., and F. R. Miller: Phytotoxicity of paraquat on white and green hibiscus, sorghum and alpinia leaves. Weed Research 8, 128 (1968).Google Scholar
  54. Bowen, J. E.: Borate absorption in excised sugarcane leaves. Plant & Cell Physiol. 9, 467 (1968).Google Scholar
  55. Bracker, C. E.: Ultrastructure of the haustorial apparatus of Erysiphe graminis and its relationship to the epidermal cell of barley. Phytopathol. 58, 12 (1968).Google Scholar
  56. Brady, H. A., and F. A. Peevy: Dimethyl sulfoxide fails to increase hardwood kills by herbicides. S. Weed Conf. Proc. 21, 218 (1968).Google Scholar
  57. Branton, D.: Fracture faces of frozen membranes. Amer. J. Bot. 53, 603 (1966).Google Scholar
  58. Branton, D.: Membrane structure. Ann. Rev. Plant Physiol. 20, 209 (1969).Google Scholar
  59. Brants, D. H.: Relation between ectodesmata and infection of leaves by C14-labeled tobacco mosaic virus. Virol. 26, 554 (1965).Google Scholar
  60. Braun, H. J., and J. J. Sauter: Phosphatase-Lokalisation in Phloembeckenzellen und Siebröhren der Dioscoreaceae und ihre mögliche Bedeutung für den aktiven Assimilattransport. Planta 60, 543 (1964).Google Scholar
  61. Breccia, A., and A. Abbondanza: The role of general metabolites in the biosynthesis of natural products. II. The paraffin heptacosane. Z. Naturforsch. 22b, 50 (1967).Google Scholar
  62. Brian, P. W.: Uptake and transport of systemic fungicides and bactericides. Agrochim. 11, 203 (1967).Google Scholar
  63. Brian, R. C: The effects of herbicides on biophysical processes in the plant. In: The physiology and biochemistry of herbicides, p. 357. London and New York: Academic Press (1964).Google Scholar
  64. Brian, R. C.: Action of plant growth regulators: IV. Adsorption of unsubstituted and 2,6-dichloro-aromatic acids to oat monolayers. Plant Physiol. 42, 1209 (1967a).PubMedGoogle Scholar
  65. Brian, R. C.: The uptake and adsorption of diquat and paraquat by tomato, sugar beet, and cocksfoot. Ann. Applied Biol. 59, 91 (1967b).Google Scholar
  66. Brian, R. C., and N. D. Cattlin: The surface structure of leaves of Chenopodium album L. Ann. Bot. 32, 609 (1968).Google Scholar
  67. Briquet, M., G. Scheller, E. Crévecoeur, and A. Wiaux: Étude de la migration de l’acide 2,4-dichlorophenoxybutyrique-l-14C chez Phaseolus vulgaris L. Weed Research 8, 61 (1968).Google Scholar
  68. Brovchenko, M. L: O postuplenii sakharov iz mesofilla v provodyashchie puchki listev sakhamoi svekly. Fiziol. Rast. 12, 270 (1965).Google Scholar
  69. Brown, H. D., A. Cherrie, and A. Cassens: Environment and trichome morphogenesis in Nicotiana. Phytol. 7, 363 (1961).Google Scholar
  70. Brown, W. V., and Sr. C. Johnson: The fine structure of the grass guard cell. Amer. J. Bot. 49, 110 (1962).Google Scholar
  71. Brunskill, R. T.: Physical factors affecting the retention of spray droplets on leaf surfaces. 3rd Brit. Weed Control Conf. Proc. 2, 593 (1956).Google Scholar
  72. Buchanan, G. A., and D. W. Staniforth: Surfactant toxicity to plant tissues. Weed Soc. Amer. Abstr., p. 44 (1966).Google Scholar
  73. Bukovac, M. J.: Some factors affecting the adsorption of 3-chlorophenoxy-a-pro-pionic acid by leaves of the peach. Amer. Soc. Hort. Sci. Proc. 87, 131 (1965).Google Scholar
  74. Bukovac, M. J., and R. F. Norris: Significance of waxes in cuticular penetration of plant growth substances. Plant Physiol. 42, S–48 (1967).Google Scholar
  75. Bukovac, M. J., and R. F. Norris: Foliar penetration of plant growth substances with special reference to binding by cuticular surfaces of pear leaves. Agrochim. 12, 217 (1968).Google Scholar
  76. Bullard, R. W., and D. L. Campbell: Evaluation of adhesives for foliar application of chemicals. Forest Sci. 14, 39 (1968).Google Scholar
  77. Burian, K.: Rhodamin-B-Färbbarkeit und Eigenfluoreszenz in Zellen heimischer und tropischer Orchideen. II. Primäre und pathologisch veränderte Eigenfluoreszenz. Protoplasma 58, 561 (1964).Google Scholar
  78. Burkowicz, A., and R. N. Goodman: Permeability alterations induced by apple leaves by virulent and avirulent strains of Erwinia amylovora. Phytopathol. 59, 314 (1969).Google Scholar
  79. Burns, E. R., G. A. Buchanan, and A. E. Hiltbold: Absorption and translocation of 2,4-D-2-C14 by wolf tau (Carex cherokeensis Schwein). Weed Soc. Amer. Abstr., p.42(1967).Google Scholar
  80. Butterfass, Th.: Fluoroskopische Untersuchungen an Keulenhaaren von Vicia faba L. und Phaseolus coccineus L. Protoplasma 47, 415 (1956).Google Scholar
  81. Bystrom, B. G., R. B. Glater, F. M. Scott, and E. S. C. Bowler: Leaf surface of Beta vulgaris—electron microscope study. Bot. Gaz. 129, 133 (1968).Google Scholar
  82. Calderbank, A.: The bipyridylium herbicides. Adv. Pest Control Research 8, 127 (1968).Google Scholar
  83. Casley-Smith, J. R.: Some observations on the electron microscopy of lipids. J. Roy. Microsc. Soc. 87, 463 (1967).Google Scholar
  84. Chakraborty, M. K., and J. A. Weybrew: The chemistry of tobacco trichomes. Tobacco Sci. 7, 122 (1963).Google Scholar
  85. Challen, S. B.: The contribution of surface characters to the wettability of leaves. J. Pharm. & Pharmacol. 12, 307 (1960).Google Scholar
  86. Chang, C, and E. Simon: The effect of dimethyl sulfoxide (DMSO) on cellular systems. Soc. Expt. Biol. Med. Proc. 128, 60 (1968).Google Scholar
  87. Chang, F. Y., and W. H. Vanden Born: Translocation of dicamba in Canada thistle. Weed Sci. 16, 176 (1968).Google Scholar
  88. Chapman, B.: Polystyrene replicas for scanning reflexion electron microscopy. Nature 216, 1347 (1967).PubMedGoogle Scholar
  89. Chow, P. N., O. C. Burnside, T. L. Lavy, and H. W. Knoche: Absorption, translocation, and metabolism of silvex in prickly pear. Weeds 14, 38 (1966).Google Scholar
  90. Chu, H., and T. C. Tso: Fatty acid composition in tobacco. I. Green tobacco plants. Plant Physiol. 43, 428 (1968).PubMedGoogle Scholar
  91. Clarke, J.: Preparation of leaf epidermis for topographic study. Stain Technol. 35, 35 (1960).PubMedGoogle Scholar
  92. Clor, M. A.: Translocation and metabolism of C14-labeled urea in cotton seedlings. Iraqui Sci. Soc. Proc. 5, 27 (1962).Google Scholar
  93. Collander, R.: Cell membranes: Their resistance to penetration and their capacity for transport. In: Plant physiology a treatise, Vol. II. Plants in relation to water and solutes, pp. 3–102. New York and London: Academic Press (1959).Google Scholar
  94. Cords, H. P.: Root temperature and susceptibility to 2,4-D in three species. Weeds 14, 121 (1966).Google Scholar
  95. Corns, W. G., and T. Dai: Effects of added surfactant on toxicity of picloram, 2,4-D and 2,4,5-T to Populus tremuloides Michx. and P. balsamifera L. saplings. Can. J. Plant Sci. 47, 711 (1967).Google Scholar
  96. Crafts, A. S.: The chemistry and mode of action of herbicides. New York: Interscience (1961).Google Scholar
  97. Crafts, A. S.: Herbicide behavior in the plant. In: The physiology and biochemistry of herbicides, pp. 75–110. London and New York: Academic Press (1964).Google Scholar
  98. Crafts, A. S.: Relation between food and herbicide transport. In: Proceedings of a symposium on the use of isotopes in weed research, pp. 3-7. Oct. 25–29, 1965, Vienna. Internat. Atomic Energy Agency: Vienna, Austria (1966).Google Scholar
  99. Crafts, A. S.: Absorption and translocation of labeled tracers. Ann. N. Y. Acad. Sci. 144, 357 (1967).Google Scholar
  100. Crafts, A. S., and C. L. Foy: The chemical and physical nature of plant surfaces in relation to the use of pesticides and their residues. Residue Reviews 1, 112 (1962).Google Scholar
  101. Crafts, A. S., and S. Yamaguchi: The autoradiography of plant materials. Manual 35, Calif. Agr. Expt. Sta., Extension Service (1964).Google Scholar
  102. Crisp, C. E.: The biopolymer cutin. Ph.D. Diss., Univ. Calif., Davis (1965).Google Scholar
  103. Crisp, C. E., D. A. Fisher, and D. E. Bayer: An electron microscopic study of Gilson diffusion patterns in Plantago major. W. Weed Control Conf. Research Progress Rept, p. 138 (1966).Google Scholar
  104. Cunze, R.: Untersuchungen über die ökologische Bedeutung des Wachses im Wasserhaushalt der Pflanzen. Beih. Bot. Zbl. 42, 160 (1926).Google Scholar
  105. Currier, H. B., and C.D. Dybing: Foliar penetration of herbicides—Review and present status. Weeds 7, 195 (1959).Google Scholar
  106. Currier, H. B., and W. Eschrich: Callose: Synthesis, degradation, possible functions. Plant Physiol. (Suppl.) 39, xlvii (1964).Google Scholar
  107. Currier, H. B., and C. Y. Shih: Sieve tubes and callose in Elodea leaves. Amer. J. Bot. 55, 145 (1968).Google Scholar
  108. Currier, H. B., and D. H. Webster: Callose formation and subsequent disappearance: Studies in ultrasound stimulation. Plant Physiol. 39, 843 (1964).PubMedGoogle Scholar
  109. Czaja, A. Th.: Die submikroskopische Struktur (Textur) der Aussenwände von Blattepidermen. Planta 57, 669 (1962).Google Scholar
  110. Dainty, J.: Physiological aspects of ion transport in plant cells and tissues. In: The cellular functions of membrane transport, p. 41. New Jersey: Prentice-Hall (1964).Google Scholar
  111. Daly, G. T.: Leaf surface wax in Poa colensoi. J. Expt. Bot. 15, 160 (1964).Google Scholar
  112. Davenport, J. B.: Studies in the natural coating of apples. V. Unsaturated and minor saturated acids of the cuticle oil. Austral. J. Chem. 13, 411 (1960).Google Scholar
  113. Davdes, P. J., D. S. H. Drennan, J. D. Fryer, and K. Holly: The basis of the differential phytotoxicity of 4-hydroxy-3,5-di-iodobenzonitrile. I. The influence of spray retention and plant morphology. Weed Research 7, 220 (1967).Google Scholar
  114. Davdes, P. J., D. S. H. Drennan, J. D. Fryer, and K. Holly: The basis of the differential phytotoxicity of 4-hydroxy-3,5-di-iodobenzonitrile. II. Uptake and translocation. Weed Research 8, 233 (1968).Google Scholar
  115. Davis, F. S., R. W. Bovey, and M. G. Merkle: The role of light, concentration, and species in foliar uptake of herbicides in woody plants. Forest Sci. 14, 164 (1968a).Google Scholar
  116. Davis, F. S., R. W. Bovey, and M. G. Merkle: Effect of paraquat and 2,4,5-T on the uptake and transport of picloram in woody plants. Weed Sci. 16, 336 (1968b).Google Scholar
  117. Davis, F. S., M. G. Merkle, and R. W. Bovey: Effect of moisture stress on the absorption and transport of herbicides in woody plants. Bot. Gaz. 129, 183 (1968c).Google Scholar
  118. Day, B. E.: The absorption and translocation of 2,4-dichlorophenoxyacetic acid by bean plants. Plant Physiol. 27, 143 (1952).PubMedGoogle Scholar
  119. Day, B. E., K. C. Barrons, S. N. Fertig, V. H. Freed, P. C. Hamm, C. B. Huffaker, D. L. Klingman, D. W. Staniforth, and R. P. Upchurch: Principles of plant and animal pest control. Vol. 2: Weed control. Nat. Acad. Sci., Washington, D. C. (1968).Google Scholar
  120. Dilcher, D. L.: Revision of Eocene palms from southeastern North America based upon cuticular analysis. Amer. J. Bot. 55, 725 (1968).Google Scholar
  121. Dimond, A. E.: Surface factors affecting the penetration of compounds into plants. In: Moderne Methoden der Pflanzenanalyse. Vol. 5, p. 368. Heidelberg: Springer-Verlag (1962).Google Scholar
  122. Dimond, A. E.: Natural models for plant chemotherapy. Adv. Pest Control Research 6, 127 (1965).Google Scholar
  123. Dolzmann, P.: Elektronenmikroskopische Untersuchungen an den Saughaaren von Tillandsia usneoides (Bromeliaceae). I. Feinstruktur der Kuppelzelle. Planta 60, 461 (1964).Google Scholar
  124. Dolzmann, P.: Elektronenmikroskopische Untersuchungen an den Saughaaren von Tillandsia usneoides (Bromeliaceae). II. Einige Beobachtungen zur Feinstruktur der Plasmodesmen. Planta 64, 76 (1965).Google Scholar
  125. Donnalley, W. F., and S. K. Ries: Amitrole translocation in Agropyron repens increased by the addition of ammonium thiocyanate. Science 145, 497 (1964).PubMedGoogle Scholar
  126. Donoho, C. W. Jr., A. E. Mitchell, and M. J. Bukovac: Tlfe absorption and translocation of ring labeled C14-naphthaleneacetic acid in the apple and peach. Amer. Soc. Hort. Sci. Proc. 78, 96 (1961).Google Scholar
  127. Dorokhov, B. L.: O vozmozhnosti vneustichnogo kutikulyarnogo fotosinteza u nekotorykh rastenii. Bot. Zh. 48, 893 (1963).Google Scholar
  128. Douglas, G.: The influence of size of spray droplets on the herbicidal activity of diquat and paraquat. Weed Research 8, 205 (1968).Google Scholar
  129. Dous, E.: Über Wachsausscheidungen bei Pflanzen; ein Studium mit dem Oberflächenmikroskop. Bot. Arch. 19, 461 (1927).Google Scholar
  130. Drawert, H., and U. Rüeffer-Bock: Mikrospektralphotometrische Untersuchungen mit dem UMSP I (C. Zeiss) an Oberepidermen der Schuppenblätter von Allium cepa nach Neutralrotfärbung. Protoplasma 60, 435 (1965).Google Scholar
  131. Drees, H.: Pesticide consumption over the course of 15 years. Gesunde Pflanz. 19, 244 (1967).Google Scholar
  132. Dulaeva, O. N., E. A. Popova, I. Benesh, and M. E. Dolgaya: Pogloshchenie mechenogo 6-benzilaminopurina vysechkami iz list’ev yachmenya i ego raspredelenie po fraktsiyam kletochnykh Struktur. Fiziol. Rast. 14, 309 (1967).Google Scholar
  133. Dyson, W. G., and G. A. Herbin: Studies on plant cuticular waxes. IV. Leaf wax alkanes as a taxonomic discriminant for cypresses grown in Kenya. Phytochem. 7, 1339 (1968).Google Scholar
  134. Ebeling, W.: Analysis of the basic processes involved in the deposition, degradation, persistence, and effectiveness of pesticides. Residue Reviews 3, 35 (1963).Google Scholar
  135. Echlin, P.: The use of the scanning reflection electron microscope in the study of plant and microbial material. J. Roy. Microsc. Soc. 88, 407 (1968).Google Scholar
  136. Eddings, J. L., and A. L. Brown: Absorption and translocation of foliar-applied iron. Plant Physiol. 42, 15 (1967).PubMedGoogle Scholar
  137. Edgerton, L. J., and W. J. Greenhalgh: Absorption, translocation and accumulation of labeled N-dimethylaminosuccinamic acid in apple tissues. Amer. Soc. Hort. Sci. Proc. 91, 25 (1967).Google Scholar
  138. Eglinton, G., and R. J. Hamilton: Leaf epicuticular waxes. Science 156, 1322 (1967).PubMedGoogle Scholar
  139. Eglinton, G., and D. H. Hunneman: Gas chromatographic-mass spectrometric studies of long chain hydroxy acids. I. The constituent cutin acids of apple cuticle. Phytochem. 7, 313 (1968).Google Scholar
  140. Ennis, W. B., Jr., R. E. Williamson, and K. P. Dorschner: Studies on spray retention by leaves of different plants. Weeds 1, 274 (1952).Google Scholar
  141. Epton, H. A. S., and B. J. Deverall: A biochemical difference between healthy bean leaves resistant and susceptible to the halo-blight disease caused by Pseudomonas phaseolicola. Ann. Applied Biol. 61, 255 (1968).Google Scholar
  142. Esau, K.: Plant anatomy, 2nd ed. New York: Wiley (1965 a).Google Scholar
  143. Esau, K.: Fixation images of sieve element plastids in Beta. Nat. Acad. Sci. Proc. 54, 429 (1965b).Google Scholar
  144. Esau, K.: Minor veins in Beta leaves: xStructure related to function. Amer. Phil. Soc. Proc. 111, 219 (1967).Google Scholar
  145. Esau, K., H. B. Currier, and V. I. Cheadle: Physiology of phloem. Ann. Rev. Plant Physiol. 8, 349 (1957).Google Scholar
  146. Evans, E., J. R. Cox, J. W. H. Taylor, and R. L. Runham: Some observations on size and biological activity of spray deposits produced by various formulations of copper oxychloride. Ann. Applied Biol. 58, 131 (1966).Google Scholar
  147. Evans, R. A., and R. E. Eckert, Jr.: Paraquat-surfactant combinations for control of downy brome. Weeds 13, 150 (1Google Scholar
  148. Fabbricotti-Oberrauch, J.: Untersuchungen über aktive Aufnahme der sauren Farbstoffe Cyanol, Orange G und Ponceau in Pflanzengeweben, II. Protoplasma 59, 531 (1965).Google Scholar
  149. Finlayson, D. G., and H. R. MacCarthy: The movement and persistence of insecticides in plant tissue. Residue Reviews 9, 114 (1965).PubMedGoogle Scholar
  150. Fischer, R. A.: Stomatal opening in isolated epidermal strips of Vicia faba. I. Response to light and to CO2-free air. Plant Physiol. 43, 1947 (1968).PubMedGoogle Scholar
  151. Fischer, R. A., and T. C. Hsiao: Stomatal opening in isolated epidermal strips of Vicia faba. II. Responses to KC1 concentration and the role of potassium absorption. Plant Physiol. 43, 1953 (1968).Google Scholar
  152. Fisher, D. A., C. E. Crisp, and D. E. Bayer: Ultrastructural observations of nine species of conifer needle outer epidermal cell wall thin sections at various ages. Can. J. Bot., In press (1969).Google Scholar
  153. Fisher, D. B.: An unusual layer of cells in the mesophyll of the soybean leaf. Bot. Gaz. 128, 215 (1967).Google Scholar
  154. Fisher, D. J.: Phenolic compounds of the apple fruit cuticle. Ann. Rep. Agr. & Hort. Research Sta., Long Ashton, Bristol, p. 255 (1965).Google Scholar
  155. Fogg, G. E.: Quantitative studies on the wetting of leaves by water. Roy. Soc. (London) Ser. B. Biol. Sci. Proc. 134, 503 (1947).Google Scholar
  156. Ford, R. E., and C. G. L. Furmidge: Impact and spreading of spray drops on foliar surfaces. Monograph Soc. Chem. Ind. 25, 417 (1967a).Google Scholar
  157. Ford, R. E., and C. G. L. Furmidge: Physiochemical studies on agricultural sprays. VIII. Viscosity and spray drop size of water-in-oil emulsions. J. Sci. Food Agr. 18, 419 (1967b).Google Scholar
  158. Foy, C. L.: Penetration and initial translocation of 2,2-dichloropropionic acid (dalapon) in individual leaves of Zea mays. Weeds 10, 35 (1962).Google Scholar
  159. Foy, C. L.: The influence of formulation, exposure time, and pH on the herbicidal action of dalapon foliar sprays tested on corn. Hilgardia 35, 125 (1963).Google Scholar
  160. Foy, C. L.: Review of herbicide penetration through plant surfaces. J. Agr. Food Chem. 12, 473 (1964a).Google Scholar
  161. Foy, C. L.: Volatility and tracer studies with alkylamino-s-triazines. Weeds 12, 103 (1964b).Google Scholar
  162. Foy, C. L., and L. W. Smith: Surface tension lowering, wettability of paraffin and corn leaf surfaces, and herbicidal enhancement of dalapon by seven surfactants. Weeds 13, 15 (1965).Google Scholar
  163. Foy, C. L., and L. W. Smith: The role of surfactants in modifying the activity of herbicidal sprays. In: Pesticidal formulations research. Physical and colloidal chemical aspects. Adv. Chem. Series 86, 55 (1969).Google Scholar
  164. Foy, C. L., J. W. Whitworth, T. J. Muzik, and H. B. Currier: The penetration, absorption, and translocation of herbicides. In: Environmental and other factors in the response of plants to herbicides. Oregon Agr. Expt. Sta. Tech. Bull. 100, p. 3 (1967).Google Scholar
  165. Franke, W.: The entry of solutes into leaves by means of ectodesmata. In: Absorption and translocation of organic substances in plants. 7th Ann. Symp., Amer. Soc. Plant Physiol., S. Sect., p. 95 (1964).Google Scholar
  166. Franke, W.: Mechanisms of foliar penetration of solutions. Ann. Rev. Plant Physiol. 18, 281 (1967a).Google Scholar
  167. Franke, W.: Ektodesmen und die peristomatäre Transpiration. Planta 73, 138 (1967b).Google Scholar
  168. Franke, W.: Ektodesmen nehmen auch an der Transpiration der Pflanzen teil. Umsch. Wiss. Tech. 67, 699 (1967c).Google Scholar
  169. Franke, W.: Ectodesmata and the cuticular penetration of leaves. Lecture, Soc. of Chem. Ind., London, April 2 (1968).Google Scholar
  170. Franke, W.: Ectodesmata in relation to binding sites for inorganic ions and urea on isolated cuticular membrane surfaces. Amer. J. Bot. 56, 432 (1969).Google Scholar
  171. Franke, W., und M. Panic: Ektodesmenstudien. IV. Über das Vorkommen von Ektodesmen in Gramineenblättern. Planta 77, 176 (1967).Google Scholar
  172. Freed, V. H., and M. Montgomery: The effect of surfactants on foliar absorption of 3-amino-l,2,4-triazole. Weeds 6, 386 (1958).Google Scholar
  173. Freiberg, S. R., and P. Payne: Foliar absorption of urea and urease activity in banana plants. Amer. Soc. Hort. Sci. Proc. 69, 226 (1957).Google Scholar
  174. Frey-Wyssling, A.: Submicroscopic morphology of protoplasm. New York: Elsevier (1953).Google Scholar
  175. Frey-Wyssling, A.: Die Pflanzliche Zellwand. Heidelberg: Springer-Verlag (1959).Google Scholar
  176. Frey-Wyssling, A., and K. Mühlethaler: Ultrastructural plant cytology. Amsterdam, London and New York: Elsevier (1965).Google Scholar
  177. Fridvalszky, L.: Differentiation of cell wall ultrastructure in the hairs of Cucurbita pepo L. Acta Agron. Acad. Sci. Hung. 16, 273 (1967).Google Scholar
  178. Furmidge, C. G. L.: Physico-chemical studies on agricultural sprays. VI. Survey of methods for measuring the wetting ability of spray formulations. J. Sci. Food Agr. 16, 134 (1965).Google Scholar
  179. Garren, R., Jr.: Uptake and distribution of labeled dimethyl sulfoxide and its influence on nutritive element transport in plants. Ann. N. Y. Acad. Sci. 141, 127 (1967).Google Scholar
  180. Geiger, D. R., and D. A. Cataldo: Leaf structure and translocation in sugar beet. Plant Physiol. 44, 45 (1969).PubMedGoogle Scholar
  181. Gel’man, N. S.: O molekulyarnoi organizatsii biologicheskikh membran. USP Sovrem. Biol. 64, 379 (1967).Google Scholar
  182. Géneau de Lamarliere, L.: Sur les membranes cutinisées des plantes aquatiques. Rev. Gén. Bot. 18, 289 (1906).Google Scholar
  183. Gentner, W. A.: The influence of EPTC on external foliage wax deposition. Weeds 14, 27 (1966).Google Scholar
  184. Glauert, A. M.: Electron microscopy of lipids and membranes. J. Roy. Microsc. Soc. 88, 49 (1968).Google Scholar
  185. Goldsmith, M. H.: The transport of auxin. Ann. Rev. Plant Physiol. 19, 347 (1968).Google Scholar
  186. Goodman, R. N.: The impact of antibiotics upon plant disease control. Adv. Pest Control Research 5, 1 (1962).Google Scholar
  187. Goodman, R. N., Z. Király, and M. Zaitlin: The biochemistry and physiology of infectious plant disease. Princeton, Toronto, London, Melbourne: D. van Nostrand (1967).Google Scholar
  188. Gould, R. F.: Contact angle wettability, and adhesion. Adv. Chem. Series 43 (1964).Google Scholar
  189. Gray, R. A.: Increasing the absorption of streptomycin by leaves and flowers with glycerol. Phytopathol. 46, 105 (1956).Google Scholar
  190. Greenham, C. G.: Studies on herbicide contents in roots of skeleton weed (Chondrilla juncea L.) following leaf applications. Weed Research 8, 272 (1968).Google Scholar
  191. Greenwald, H. L., E. B. Kice, M. Kenly, and J. Kelly: Determination of the distribution of nonionic surface active agents between water and iso-octane. Anal. Chem. 33, 465 (1961).Google Scholar
  192. Grncarevic, M., and F. Radler: The effect of wax components on cuticular transpiration—Model experiments. Planta 75, 23 (1967).Google Scholar
  193. Grun, P.: Ultrastructure of plant plasma and vacuolar membranes. J. Ultrastruct. Research 9, 198 (1963).Google Scholar
  194. Gunning, B. E. S., J. S. Pate, and L. G. Briarty: Specialized “transfer cells” in minor veins of leaves and their possible significance in phloem translocation. J. Cell Biol. 37, C7 (1968).PubMedGoogle Scholar
  195. Günther, F. A., D. L. Lindgren, M. I. Elliot, and J. P. LaDue: Persistence of certain DDT deposits under field conditions. J. Econ. Entomol. 39, 624 (1946).PubMedGoogle Scholar
  196. Günther, L, and G. B. Wortmann: Dust on the surface of leaves. J. Ultrastruct. Research 15, 522 (1966).Google Scholar
  197. Guth, E. B. de: Distribucion y caracteristicas de las hojas de palmas flabeladas argentinas. Rev. Invest. Agropecuar Ser. 2, Biol. Prod. Veg. 3, 55 (1966).Google Scholar
  198. Haas, R. H., and S. K. Lehman; Unpublished data (1969).Google Scholar
  199. Haberlandt, G. E., Jr.: Physiological plant anatomy. London: Macmillan (1914).Google Scholar
  200. Haile-Mariam, S. N., and S. H. Wittwer: Comparative permeability of Na, K, Rb, and Cs ions through isolated cuticular membranes of Euonymus japonicus. Plant Physiol. (Suppl.) 40, xii (1965).Google Scholar
  201. Halevy, A. H., and S. H. Wittwer: Foliar uptake and translocation of rubidium in bean plants as affected by root absorbed growth regulators. Planta 67, 375 (1965).Google Scholar
  202. Hall, D. M.: A study of the surface wax deposits on apple fruit. Autral. J. Biol. Sci. 19, 1017 (1966).Google Scholar
  203. Hall, D. M.: The ultrastructure of wax deposits on plant leaf surfaces. II. Cuticular pores and wax formation. J. Ultrastruct. Research 17, 34 (1967a).Google Scholar
  204. Hall, D. M.: Wax micro-channels in the epidermis of white clover. Science 158, 505 (1967b).PubMedGoogle Scholar
  205. Hallam, N. D.: Sectioning and electron microscopy of Eucalyptus leaf waxes. Austral. J. Biol. Sci. 17, 587 (1964).Google Scholar
  206. Hallier, E.: Phytopathologie, Saftaufnahme der Blätter von aussen. Leipzig: Verlag V. Wilh. Engelmann (1868).Google Scholar
  207. Hammerton, J. L.: Environmental factors and susceptibility to herbicides. Weeds 15, 330 (1967).Google Scholar
  208. Hanszen, K. J.: Vergleichende Untersuchungen über das Wachsen von Kohlehüllen unter dem Einfluss von Elektronenbeschuss, Temperung und Bestrahlung mit Elektromagnetischen Wellen. In: Proceedings European Regional Conf. Electron Microscopie De Nederlandse Vereniging voor Electronenmicroscopie, p. 673 (1961).Google Scholar
  209. Hart, W. J., and W. Hurtt: The influence of DMSO on the phytotoxicity of several herbicides. 21st N.E. Weed Control Conf. Proc. Suppl. 21, 156 (1967).Google Scholar
  210. Hartley, G. S.: Physics of foliar application in relation to formulation. 8th Brit. Weed Control Conf. Proc, p. 794 (1966).Google Scholar
  211. Helder, R. J.: Translocation in Vallisneria spiralis. In: Handbuch der Pflanzenphysiologie. XIII. Der Stofftransport in der Pflanze. Berlin, Heidelberg, New York: Springer-Verlag, p. 20 (1967).Google Scholar
  212. Hendricks, S. B.: Salt transport across cell membranes. Amer. Sci. 52, 306 (1964).PubMedGoogle Scholar
  213. Hendrycy, K. E.: The effect of trichomes on transpiration and ion uptake in Verbascum thapsus L. Bios 39, 21 (1968).Google Scholar
  214. Herbin, G. A., and P. A. Robins: Studies on plant cuticular waxes—I. The chemotaxonomy of alkanes and alkenes of the genus Aloe (Liliaceae). Phytochem. 7, 239 (1968a).Google Scholar
  215. Herbin, G. A., and P. A. Robins: Studies on plant cuticular waxes—II. Alkanes from members of the genus Agave (Agavaceae) the genera Kalanchoe, Echeveria, Crassula and Sedum (Crassulaceae) and the genus Eucalyptus (Myrtaceae) with an examination of Hutchinson’s subdivision of the Angiosperms into Herbaceae and Lignosae. Phytochem. 7, 257 (1968b).Google Scholar
  216. Herbin, G. A., and P. A. Robins: Studies on plant cuticular waxes—III. The leaf wax alkanes and w-hydroxy acids of some members of the Cupressaceae and Pinaceae. Phytochem. 7, 1325 (1968c).Google Scholar
  217. Heslop-Harrison, Y., and J. Heslop-Harrison: Scanning electron microscopy of leaf surfaces. Proc. 2nd Ann. Scanning Electron Microsc. Symp. p. 117 (1969).Google Scholar
  218. Hoehne, W., and R. Wasicky: Contribuição estudo mecanismo de seletividade herbicida do 2,4-D, ou ácido 2,4-diclorofenoxi-acético. Rev. Quim. Farm., Rio de Janeiro 15, 141 (1950).Google Scholar
  219. Hohlt, H. E., and D. N. Maynard: Studies on foliar leaching of cations from spinach. Amer. Soc. Hort. Sci. Proc. 90, 296 (1967).Google Scholar
  220. Hokikt, L. W., and M. R. Hokin: The chemistry of cell membranes. Scientific American 213, 78 (1965).Google Scholar
  221. Holloway, P. J., and E. A. Baker: Isolation of plant cuticles with zinc chloridehydrochloric acid solution. Plant Physiol. 43, 1878 (1968).PubMedGoogle Scholar
  222. Holly, K.: Herbicide selectivity in relation to formulation and application methods. In: The physiology and biochemistry of herbicides, p. 423. New York: Academic Press (1964).Google Scholar
  223. Hölzl, J.: Eine Ultrastruktur in der Zellwand der Innenepidermis der Zwiebel-schuppe von Allium cepa. Ektodesmen? Protoplasma 59, 310 (1964).Google Scholar
  224. Hölzl, J., und E. Bancher: Zur Physikochemie der vitalen Kern-und Plasmafluorochromierung von Allium Cepa—Epidermen. Protoplasma 64, 157 (1967).Google Scholar
  225. Honsell, E.: I coloranti vitaliei problemi della loro permeazione ed accumulo nella cellula végétale. G. Bot. Ital. 72, 287 (1965).Google Scholar
  226. Horanic, G., and F. E. Gardner: An improved method of making epidermal imprints. Bot. Gaz. 128, 144 (1967).Google Scholar
  227. Horrocks, R. L.: Wax and the water vapour permeability of apple cuticle. Nature 203, 547 (1964).Google Scholar
  228. Horsfall, F., Jr., and R. C. Moore: The effect of spray additives and simulated rainwater on foliage curvature and thinning of apples by the sodium salt of naphthaleneacetic acid. Amer. Soc. Hort. Sci. Proc. 80, 15 (1962).Google Scholar
  229. Hoskins, W. M.: Some important properties of pesticide deposits on various surfaces. Residue Reviews 1, 66 (1962).Google Scholar
  230. Hsieh, J. J. C., and F. P. Hungate: 181I diffusion through leaf cuticle. Amer. Soc. Plant Physiol., W. Sect. Meeting Abstr., p. 2 (1968).Google Scholar
  231. Huber, B., E. Kinder, E. Obermüller, and H. Ziegenspeck: Spaltöffnungs-Dünnstschnitte im Elektronen-mikroskop. Protoplasma 46, 380 (1956).Google Scholar
  232. Huelin, F. E.: Studies in the natural coating of apples. IV. The nature of cutin. Austral. J. Biol. Sci. 12, 175 (1959).Google Scholar
  233. Hughes, E. E.: Hygroscopic additives to phenoxy herbicides for control of saltcedar. Weed Sci. 16, 486 (1968).Google Scholar
  234. Hughes, R. E., and V. H. Freed: The role of surfactants in the foliar absorption of indole-3-acetic acid (IAA). Weeds 9, 54 (1961).Google Scholar
  235. Hull, H. M.: Studies on herbicidal absorption and translocation in velvet mesquite seedlings. Weeds 4, 22 (1956).Google Scholar
  236. Hull, H. M.: Anatomical studies demonstrating phloem inactivation and its dependency upon the interaction of concentrations of 2,4,5-trichlorophenoxyacetic acid and an anionic wetting agent. Plant Physiol. (Suppl.) 32, 43 (1957).Google Scholar
  237. Hull, H. M.: The effect of day and night temperature on growth, foliar wax content, and cuticle development of velvet mesquite. Weeds 6, 133 (1958).Google Scholar
  238. Hull, H. M.: Leaf structure as related to penetration of organic substances. In: Absorption and translocation of organic substances in plants. 7th Ann. Symp. Amer. Soc. Plant Physiol., S. Sect., p. 45 (1964 a).Google Scholar
  239. Hull, H. M.: Absorption and translocation of a 2,4,5-T ester as influenced by interactions of pH and concentrations of glycerol and latex in the carrier. W. Weed Control Conf. Research Progress Rept., p. 106 (1964 b).Google Scholar
  240. Hull, H. M.: Dimethyl sulfoxide as a herbicide carrier under different conditions of light intensity. W. Weed Control Conf. Proc. 20, 12 (1965).Google Scholar
  241. Hull, H. M.: Uptake and movement of herbicides in plants. Herbic. Veg. Management Symp. Proc, p. 49 (1967 a).Google Scholar
  242. Hull, H. M.: BioScience 17 (1), cover photograph (1967 b).Google Scholar
  243. Hull, H. M., G. E. Barrier, R. E. Frans, J. L. Hilton, E. L. Knake, D. E. Moreland, and W. H. Zick: Herbicide handbook of the Weed Society of America. Geneva, New York: Humphrey Press (1967).Google Scholar
  244. Hull, H. M., and S. J. Shellhorn: Cuticle development in the field and greenhouse and its relationship to herbicidal response. W. Weed Control Conf. Research Progress Rept., p. 137 (1966).Google Scholar
  245. Hull, H. M., and S. J. Shellhorn: Foliar absorption of 2,4,5-T from emulsions and straight oil carriers in combination with oil-soluble surfactants. W. Weed Control Conf. Research Progress Rept., p. 123 (1967).Google Scholar
  246. Hull, H. M., and S. J. Shellhorn: Some herbicide-carrier interrelationships in the control of velvet mesquite. W, Soc. Weed Sci. Proc. 22, 19 (1968).Google Scholar
  247. Hull, H. M., and F. W. Went: Life processes of plants as affected by air pollution. 2nd Nat. Air Pollution Symp. Proc, p. 122 (1952).Google Scholar
  248. Hülsbruch, M.: Zur Radialstreifung cutinisierter Epidermisaussenwände. I. Z. Pflanzenphysiol. 55, 181 (1966).Google Scholar
  249. Idle, D. B.: Scanning electron microscopy of leaf surface replicas and the measurement of stomatal aperture. Ann. Bot. 33, 75 (1969).Google Scholar
  250. Jacobs, W. P., C. C. McCready, and D. J. Osborne: Transport of the auxin 2,4-dichlorophenoxyacetic acid through abscission zones, pulvini, and petiols of Phaseolus vulgaris. Plant Physiol. 41, 725 (1966).PubMedGoogle Scholar
  251. Jacobson, J. S.: Accumulation and translocation of fluoride in plants. Amer. Soc. Plant Physiol. Proc. 1966, xxxv (1966).Google Scholar
  252. Jacoby, B., and J. Dagan: A comparison of two methods of investigating sodium uptake by bean-leaf cells and the vitality of isolated leaf-cells. Protoplasma 64, 325 (1967).Google Scholar
  253. Jamdeson, G. R., and E. H. Reid: Analysis of oils and fats by gas chromatography. V. Fatty acid composition of the leaf lipids of Myosotis scorpioides. J. Sci. Food Agr. 19, 628 (1968).Google Scholar
  254. Jansen, L. L.: Surfactant enhancement of herbicide entry. Weeds 12, 251 (1964).Google Scholar
  255. Jansen, L. L.: Effects of structural variations in ionic surfactants on phytotoxicity and physical-chemical properties of aqueous sprays of several herbicides. Weeds 13, 117 (1965a).Google Scholar
  256. Jansen, L. L.: Herbicidal and surfactant properties of long-chain alkylamine salts of 2,4-D in water and oil sprays. Weeds 13, 123 (1965b).Google Scholar
  257. Jansen, L. L.: Selective modification of postemergence toxicity of atrazine and diuron by surfactant and oil adjuvants. Weed Soc. Amer. Abstr., p. 34 (1966).Google Scholar
  258. Jenner, C. F., P. F. Saunders, and G. E. Blackman: The uptake of growth substances. 10. The accumulation of phenoxyacetic acid and 2,4-dichlorophe-noxyacetic acid by segments of Avena mesocotyl. J. Expt. Bot. 19, 333 (1968a).Google Scholar
  259. Jenner, C. F., P. F. Saunders, and G. E. Blackman: The uptake of growth substances. 11. Variations in the accumulation of substituted phenoxyacetic acids of differing physiological activity by segments of Avena mesocotyl. J. Expt. Bot. 19, 353 (1968b).Google Scholar
  260. Jennings, D. H.: The absorption of solutes by plant cells. Edinburgh: Oliver and Boyd(1963).Google Scholar
  261. Jensen, W. A.: Botanical histochemistry. San Francisco: W. H. Freeman (1962).Google Scholar
  262. Johnston, H. W., and T. Sproston, Jr.: The inhibition of fungus infection pegs in Ginkgo hiloba. Phytopathol. 55, 225 (1965).Google Scholar
  263. Juniper, B. E.: Growth, development, and effect of the environment on the ultra-structure of plant surfaces. J. Linn. Soc. (Bot.) 56, 413 (1960a).Google Scholar
  264. Juniper, B. E.: Leaf surfaces under the electron microscope. 4th Internat. Conf. Electron Microsc. Proc, p. 489 (1960 b).Google Scholar
  265. Jyung, W. H., and S. H. Wittwer: Pathways and mechanisms for foliar absorption of mineral nutrients. Agr. Sci. Rev. 3, 26 (1965).Google Scholar
  266. Kamimura, S., and R. N. Goodman: Penetration of excised apple cuticle membranes. II. Diffusion of radioactive model compounds and antibiotics and an analysis of membrane properties. Phytopathol. Z. 51, 324 (1964a).Google Scholar
  267. Kamimura, S., and R. N. Goodman: Influence of foliar characteristics on the absorption of a radioactive model compound by apple leaves. Physiol. Plant. 17, 805 (1964b).Google Scholar
  268. Kannan, S., and S. H. Wittwer: Absorption of iron by enzymically isolated leaf cells. Physiol. Plant. 20, 911 (1967a).Google Scholar
  269. Kannan, S., and S. H. Wittwer: Ion absorption by leaves. Naturwiss. 54, 373 (1967b).PubMedGoogle Scholar
  270. Kannan, S., and S. H. Wittwer: Penetration of iron and some organic substances through isolated cuticular membranes. Plant Physiol. 44, 517 (1969).PubMedGoogle Scholar
  271. Keil, H. L.: DMSO shows great promise as carrier of agricultural toxicants. Agr. Chemicals 20 (4), 23 (1965).Google Scholar
  272. Keil, H. L.: Enhanced bacterial spot control of peach when dimethyl sulfoxide is combined with sprays of oxytetracycline. In: Biological actions of dimethyl sulfoxide. Ann. N. Y. Acad. Sci. 141, 131 (1967).Google Scholar
  273. Kempen, H., and D. E. Bayer: MSMA absorption, translocation and toxicity. Weed Sci. Soc. Amer. Abstr., No. 160 (1969).Google Scholar
  274. Kerr, A., and N. T. Flentje: Host infection in Pellicularia filamentosa controlled by chemical stimuli. Nature 179, 204 (1957).Google Scholar
  275. Ketellapper, H. J.: Stomatal physiology. Ann. Rev. Plant Physiol. 14, 249 (1963).Google Scholar
  276. Kirkwood, R. C, M. M. Robertson, and J. E. Smith: Differential absorption as a factor influencing the selective toxicity of MCPA and MCPB. In: Proceedings Symp. Use of Isotopes in Weed Research, p. 47 Oct. 25–29, 1965, Vienna. Internat. Atomic Energy Agency: Vienna, Austria (1966).Google Scholar
  277. Kolattukudy, P. E.: Biosynthesis of surface lipids. Science 159, 498 (1968a).PubMedGoogle Scholar
  278. Kolattukudy, P. E.: Further evidence for an elongation-decarboxylation mechanism in the biosynthesis of paraffins in leaves. Plant Physiol. 43, 375 (1968b).PubMedGoogle Scholar
  279. Kolattukudy, P. E.: Species specificity in the biosynthesis of branched paraffins in leaves. Plant Physiol. 43, 1423 (1968c).PubMedGoogle Scholar
  280. Kozel, P. C., and H. B. Tukey, Jr.: Loss of gibberellins by leaching from stems and foliage of Chrysanthemum morifolium Trincess Anne/ Amer. J. Bot. 55, 1184 (1968).Google Scholar
  281. Kreger, D. R.: Wax. In: Handbuch der Pflanzenphysiologie, Bd. X, p. 249. Berlin-Göttingen-Heidelberg: Springer-Verlag (1958).Google Scholar
  282. Kreidemann, P.: Sugar uptake and translocation in the castor bean seedling. III. An autoradiographic study of the absorption pathway. Planta 73, 175 (1967).Google Scholar
  283. Kursanov, A. L.: Transport organicheskikh veshchestv v rasteniyakh. Izv. Akad. Nauk. SSSR Ser. Biol. 1, 3 (1967).Google Scholar
  284. Kursanov, A. L., M. I. Brovchenko, and E. P. Butenko: Prevrashcheniya sakharov, absorbirovannykh tkanyami listovoi plastinki sakharnoi svekly. Fiziol. Rast. 14, 813 (1967).Google Scholar
  285. Kurtz, E. B., Jr.: The relation of the characteristics and yield of wax to plant age. Plant Physiol. 25, 269 (1950).PubMedGoogle Scholar
  286. Ladonin, V. F.: O vliyanii efirov 2,4-D na azotnyi obmen rastenii. Akad. Nauk. Beloruss. SSR: Minsk, p. 70 (1961).Google Scholar
  287. Lang, R. T.: Concerning the morphology of isolated plant cuticles. New Phytol. 68, 423 (1969).Google Scholar
  288. Lapham, V. T.: The effectiveness of some dimethylsulfoxide-herbicide combinations. 19th Ann. Meeting S. Weed Conf. Proa, p. 438 (1966).Google Scholar
  289. Laseter, J. L., D. J. Weber, and J. Oró: Characterization of cabbage leaf lipids: n-alkanes, ketone, and fatty acids. Phytochem. 7, 1005 (1968a).Google Scholar
  290. Laseter, J. L., J. Weete, and D. J. Weber: Alkanes, fatty acid methyl esters, and free fatty acids in surface wax of Ustilago maydis. Phytochem. 7, 1177 (1968b).Google Scholar
  291. Laties, G. G.: Physiological aspects of membrane function in plant cells during development. In: Cellular membranes in development, p. 299. New York and London: Academic Press (1964).Google Scholar
  292. Laties, G. G.: Dual mechanisms of salt uptake in relation to compartmentation and longdistance transport. Ann. Rev. Plant Physiol. 20, 89 (1969).Google Scholar
  293. Läuchli, A., und U. Lüttge: Untersuchung der Kinetik der Ionenaufnahme in das Cytoplasma von Mnium-Blattzellen mit Hilfe der Mikroautoradiographie und der Röntgen-Mikrosonde. Planta 83, 80 (1968).Google Scholar
  294. Lautenschlager-Fleury, D.: Über die Ultravioletdurchlassigkeit von Blattepidermen. Ber. Schweiz. Bot. Ges. 65, 343 (1955).Google Scholar
  295. Layne, R. E. C: Foliar trichomes and their importance as infection sites for Corynebacterium michiganese on tomato. Phytopathol. 57, 981 (1967).Google Scholar
  296. Leake, C. D.: Biological actions of dimethyl sulfoxide, Ann, N. Y. Acad. 3. Sci. 141. 1 (1967).Google Scholar
  297. Ledbetter, M. C: Observations on membranes in plant cells fixed with OsO4. 5th Internat. Congress for Electron Microsc, p. W-10. New York and London: Academic Press (1962).Google Scholar
  298. Lehman, S. K., R. H. Haas, and L. F. Bouse: Spray distribution characteristics of hydroxy-ethyl cellulose sprays applied from fixed-wing aircraft. Weed Sci. Soc. Amer. Abstr., p. 120 (1968).Google Scholar
  299. Lehman, S. K., and E. D. Robison: Preliminary evaluation of droplet size and distribution of water-in-oil emulsion sprays applied with the bifluid system. 17th S. Weed Conf. Proa, p. 253 (1964).Google Scholar
  300. Leigh, J. H., and J. W. Matthews: An electron microscope study of the wax bloom on leaves of certain love grasses, (Eragrostis curvula (Schvad.) Nees). Austral. J. Bot. 11, 62 (1963).Google Scholar
  301. Leonard, C. D.: Use of dimethyl sulfoxide as a carrier for iron in nutritional foliar sprays applied to citrus. In: Biological actions of dimethyl sulfoxide. Ann. N. Y. Acad. Sci. 141, 148 (1967).Google Scholar
  302. Leonard, O. A., and R. K. Glenn: Translocation of herbicides in detached bean leaves. Weed Sci. 16, 352 (1968a).Google Scholar
  303. Leonard, O. A., and R. K. Glenn: Translocation of assimilates and phosphate in detached bean leaves. Plant Physiol. 43, 1380 (1968b).PubMedGoogle Scholar
  304. Leonard, O. A., and D. L. King: Vein loading and transport in detached leaves. Plant Physiol. 43, 460 (1968).PubMedGoogle Scholar
  305. Leonard, O. A., L. A. Lider, and R. K. Glenn: Absorption and translocation of herbicides by Thompson Seedless (Sultanina) grape, Vitis vinifera L. Weed Research 6, 37 (1966).Google Scholar
  306. Leopold, A. C., P. van Schaik, and M. Neal: Molecular structure and herbicide adsorption. Weeds 8, 48 (1960).Google Scholar
  307. Le Vaillant, M., and M. R. Gorenflot: Développement hétéroblastique, épiderme et trichomes de Crupina vulgaris Pers. var. hrachypappa Beauv. C. R. Acad. Sci. Sér. D. 267, 177 (1968).Google Scholar
  308. Levi, E.: Chemical control of Typha angustifolia L. var. brownii. Weeds 8, 128 (1960).Google Scholar
  309. Levi, E.: The distribution of mineral elements following leaf and root uptake. Physiol. Plant. 21, 213 (1968).Google Scholar
  310. Lewis, S., and R. N. Goodman: Mode of penetration and movement of fire blight bacteria in apple leaf and stem tissue. Phytopathol. 55, 719 (1965).Google Scholar
  311. Leyton, L., and I. P. Armitage: Cuticle structure and water relations of the needles of Finns radiata (D. Don). New Phytol. 67, 31 (1968).Google Scholar
  312. Leyton, L., and B. E. Juniper: Cuticle structure and water relations of pine needles. Nature 198, 770 (1963).Google Scholar
  313. Likholat, T. V.: Rol’ sul’fata ammoniya v povyshenii gerbitsidnoi aktivnosti 2, 4-D v bor’be s sornyakami. In: Okhrana prirody Tsentralno-chernozemnoi polosy. Voronezh 4, 205 (1962).Google Scholar
  314. Linscott, D. L., and R. D. Hagin: Effects of two environmental factors on removal of 2, 4-DB from forage. Weed Sci. 16, 114 (1968).Google Scholar
  315. Linser, H.: The design of herbicides. In: The physiology and biochemistry of herbicides, p. 483. London and New York: Academic Press (1964).Google Scholar
  316. Linskens, H. F.: Das Relief der Blattoberfläche. Planta 68, 1 (1966).Google Scholar
  317. Linskens, H. F., and A. Gelissen: Die Natur der Rauhschaligkeit bei Früchten der Apfelsorte “Golden Delicious.” Phytopathol. Zeit. 57, 1 (1966).Google Scholar
  318. Linskens, H. F., W. Heinen, and A. L. Stoffers: Cuticula of leaves and the residue problem. Residue Reviews 8, 136 (1965).Google Scholar
  319. Linskens, H. F., and H. Kroes: Interference microscopy of the pattern of leaf surfaces. Nature 210, 968 (1966).Google Scholar
  320. Little, E. C. S., and G. E. Blackman: The movement of growth regulators in plants. III. Comparative studies of transport in Phaseolus vulgaris, New Phytol. 62, 173 (1963).Google Scholar
  321. Litz, R. E., and W. C. Kimmins: Plasmodesmata between guard cells and accessory cells. Can. J. Bot. 46, 1603 (1968).Google Scholar
  322. Locke, M.: Cellular membranes in development. 22nd Symp. Soc. Study Development and Growth. New York and London: Academic Press (1964).Google Scholar
  323. Lockhart, J. A., and U. B. Franzgrote: The effects of ultraviolet radiation on plants. Encyclopedia Plant Physiol. 16, 532 (1961).Google Scholar
  324. Loewenstein, W. R.: Biological membranes: Recent progress. Ann. N. Y. Acad. Sci. 137, 403 (1966).Google Scholar
  325. Lopez Arocha, M., and D. Rincon: Absorption and translocation of simazine and ametryne applied to leaves and roots: Movement of these compounds in the soil. Mem. 6as J. Agron. Maracaibo 1, 14 (1966).Google Scholar
  326. López-Saez, J. F., G. Giménez-Martin, and M. C. Risueno: Fine structure of the plasmodesm. Protoplasma 61, 81 (1966).Google Scholar
  327. Luhan, M.: Die Epidermis von Agropyron repens. Protoplasma 56, 645 (1963).Google Scholar
  328. Luke, H. H., and T. E. Freeman: Effects of cytokinins on the absorption of victorin. Phytopathol. 58, 258 (1968).Google Scholar
  329. Lund-Hoe, K., and D. E. Bayer: Absorption, translocation and metabolism of 3-amino-l, 2, 4-triazole in Pinus ponderosa and Abies concolor. Physiol. Plant. 21, 196 (1968).Google Scholar
  330. Lüttge, U.: Aktiver Transport (Kurzstreckentransport bei Pflanzen). Protoplas-matologia. Handbuch der Protoplasmaforschung, Vol. VIII/7/b. Wien and New York: Springer-Verlag (1968).Google Scholar
  331. Lüttge, U., and K. Bauer: Evaluation of ion uptake isotherms and analysis of individual fluxes of ions. Planta 80, 52 (1968).Google Scholar
  332. Lüttge, U., and G. Krapf: Die Ultrastruktur der Blattzellen junger und alter Mnium-Sprosse und ihr Zusammenhang mit der Ionenaufnahme. Planta 81, 132 (1968).Google Scholar
  333. Machado, R. D.: Observaçoes sobre a folha e revestimento ceroso de Syagrus coronata (Mart.) Becc. Arq. Jard. Bot., Rio de Janeiro 16, 117 (1958).Google Scholar
  334. Mader, H.: Cutin. In: Handbuch der Pflanzenphysiologie, Bd. X, p. 270. Berlin-Göttingen-Heidelberg: Springer-Verlag (1958).Google Scholar
  335. Maercker, U.: Über vermeintliche Poren in Epidermisaussenwänden von Coccu-lus laurifolius und Camelia japonica. Z. Pflanzenphysiol. 53, 86 (1965a).Google Scholar
  336. Maercker, U.: Beiträge zur Histochemie der Schliesszellen. Protoplasma 60, 173 (1965b).PubMedGoogle Scholar
  337. Maestri, M.: Structural and functional effects of endothall on plants. Ph.D. Diss., Univ. Calif., Davis (1967).Google Scholar
  338. Magalhaes, A. C., and F. M. Ashton: Effect of dicamba on oxygen uptake and cell membrane permeability in leaf tissue of Cyperus rotundas L. Weed Research 9, 48 (1969).Google Scholar
  339. Magalhaes, A. C., and C. L. Foy: Translocation and fate of dicamba in purple nutsedge. Weed Sci. 16, 240 (1968).Google Scholar
  340. Mahan, J. N., D. L. Fowler, and H. H. Shepard: The pesticide review—1968. U. S. Department of Agriculture, Agr. Stabil. & Conserv. Service Publ. (1968).Google Scholar
  341. Maier, U.: Dendritenartige Strukturen in der Cuticularschicht von Lilium candidum. Protoplasma 65, 243 (1968).Google Scholar
  342. Malcolm, C. V., L. H. Stolzy, and C. R. Jensen: Effect of artificial leaf coatings on foliar chloride uptake during sprinkler irrigation. Hilgardia 39, 69 (1968).Google Scholar
  343. Malisauskiene, V.: Dependence of the effect of the herbicide 2, 4-D on the structure and conditions of the outer tissues of plants. Liet. TSR Mokslu. Akad. Darb. (Ser.C) 1, 31 (1964).Google Scholar
  344. Marchant, R., and A. W. Robards: Membrane systems associated with the plasmalemma of plant cells. Ann. Bot. 32, 457 (1968).Google Scholar
  345. Martin, D. J.: Features on plant cuticle. An aid to the analysis of the natural diet of grazing animals, with especial reference to Scottish Hill sheep. Trans. Bot. Soc. Edin. 36, 278 (1955).Google Scholar
  346. Martin, J. T.: The plant cuticle: Its structure and relation to spraying problems. Ann. Rept. East Mailing Research Sta. 1960, p. 40 (1961).Google Scholar
  347. Martin, J. T.: Role of cuticle in the defense against plant disease. Ann. Rev. Phytopathol. 2, 81 (1964).Google Scholar
  348. Martin, J. T.: The cuticle of plants. Nat. Agr. Adv. Service Quart. Rev. 72, 139 (1966).Google Scholar
  349. Martin, J. T., E. A. Baker, and R. J. W. Byrde: The fungitoxicities of cuticular and cellular components of citrus lime leaves. Ann. Applied Biol. 57, 491 (1966).Google Scholar
  350. Martin, J. T., R. F. Batt, and R. T. Burchill: Fungistatic properties of apple leaf wax. Nature 180, 796 (1957).Google Scholar
  351. Martin, J. T., and D. J. Fisher: The surface structure of plant roots. Ann. Rept. Agr. & Hort. Research Sta., Long Ashton, Bristol, p. 251 (1965).Google Scholar
  352. Martin, J. T., and E. Somers: Solubilization of copper by leaves and water-soluble acids from leaf wax. Nature 180, 797 (1957).Google Scholar
  353. Masuda, Y.: Über den Einfluss von Auxin auf die Stoffpermeabilität des Protoplasmas. I. Mitteilung. Bot. Mag. Tokyo 66, 256 (1953).Google Scholar
  354. Matsuda, K.: The biosynthesis of waxes in plants. Ph.D. Diss. Univ. Ariz. (1962).Google Scholar
  355. McCready, C. C: Translocation of growth regulators. Ann. Rev. Plant Physiol. 17, 283 (1966).Google Scholar
  356. McNair, J. B.: Some properties of plant waxes in relation to climate of habitat. Amer. J. Bot. 18, 518 (1931).Google Scholar
  357. McNairn, R. B., and H. B. Currier: Translocation blockage by sieve plate callose. Planta 82, 369 (1968).Google Scholar
  358. Mecklenburg, R. A., H. B. Tukey, Jr., and J. V. Morgan: A mechanism for the leaching of calcium from foliage. Plant Physiol. 41, 610 (1966).PubMedGoogle Scholar
  359. Mercer, F.: The submicroscopic structure of the cell. Ann. Rev. Plant Physiol. 11, 1 (1960).Google Scholar
  360. Merkle, M. G., and F. S. Davis: Effect of moisture stress on absorption and movement of picloram and 2, 4, 5-T in beans. Weeds 15, 10 (1967).Google Scholar
  361. Merten, D., and W. Buchheim: Fixation of radioactive material as influenced by the microstructure of the plant surface. Proc. Internat. Symp. Radioecological Cone. Processes, p. 485. London and New York: Pergamon Press (1967).Google Scholar
  362. Metcalfe, C. R., and L. Chalk: Anatomy of the dicotyledons, vol. II. Oxford: Oxford University Press (1950).Google Scholar
  363. Michie, M. J., and W. W. Reid: Biosynthesis of complex terpenes in the leaf cuticle and trichomes of Nicotiana tabacum. Nature 218, 578 (1968).Google Scholar
  364. Milborrow, B. V., and D. A. Williams: A re-examination of the penetration of Nitella cells by non-electrolytes. Physiol. Plant. 21, 902 (1968).Google Scholar
  365. Miller, C. S., and M. M. Aboul-Ela: Absorption of S, S, S-tributylphosphorotrithi-oate by cotton leaves. J. Agr. Food Chem. 16, 946 (1968).Google Scholar
  366. Minshall, W. H.: The effect of environment on the comparative resistance of petiole parenchyma to petroleum oils. Weeds 9, 356 (1961).Google Scholar
  367. Miroslavov, E. A.: The content of peroxidase, ascorbic acid and sucrose in the trichomes of certain plants. Bot. Zh. 44, 550 (1959).Google Scholar
  368. Miroslavov, E. A. Nekotorye cherty kseromorfnogo stroeniya epidermisa lista ryada zlakov. Bot. Zh. 47, 1339 (1962).Google Scholar
  369. Miroslavov, E. A. Elektronnomikroscopicheskoe issledovanie ustits lista rzhi. Bot. Zh. 51, 446 (1966).Google Scholar
  370. Mitchell, J. W.: Progress in research on absorption, translocation, and exudation of biologically active compounds in plants. In: Perspectives of biochemical plant pathology. Conn. Agr. Expt. Sta. Bull. 663, 49 (1963).Google Scholar
  371. Mitchell, J. W., and P. J. Linder: Absorption, translocation, exudation, and metabolism of plant growth-regulating substances in relation to residues. Residue Reviews 2, 51 (1963).Google Scholar
  372. Mitchell, J. W., and G. A. Livingston: Methods of studying plant hormones and growth-regulating substances. Agr. Handbook No. 336, Agr. Research Service, U. S. Department of Agriculture (1968).Google Scholar
  373. Mitchell, J. W., B. C. Smale, and R. L. Metcalf: Absorption and translocation of regulators and compounds used to control plant diseases and insects. Adv. Pest Control Research 3, 359 (1960).Google Scholar
  374. Mokhnachev, I. G., V. P. Pisklov, and L. A. Dulan: Sostav parafinovykh uglevo-dorodov tabaka. Prikl. Biokhim. Mikrobiol. 3, 246 (1967).Google Scholar
  375. Moreland, D. E., G. H. Egley, A. D. Worsham, and T. J. Monaco: Regulation of plant growth by constituents from higher plants. Adv. Chem. Series 53, 112 (1966).Google Scholar
  376. Moreshet, S. D. Koller, and G. Stanhill: The partitioning of resistances to gaseous diffusion in the leaf epidermis and the boundary layer. Ann. Bot. 32, 695 (1968).Google Scholar
  377. Morton, H. L.: Influence of temperature and humidity on foliar absorption, trans-location, and metabolism of 2, 4, 5-T by mesquite seedlings. Weeds 14, 136 (1966).Google Scholar
  378. Morton, H. L., and J. A. Coombs: Influence of surfactants on phytotoxicity of a picloram-2, 4, 5-T spray on three woody plants. Weed Sci. Soc. Amer. Abstr., p. 65 (1969).Google Scholar
  379. Morton, H. L., F. S. Davis, and M. G. Merkle: Radioisotopic and gas Chromatographic methods for measuring absorption and translocation of 2, 4, 5-T by mesquite. Weed Sci. 16, 88 (1968).Google Scholar
  380. Mothes, K., and L. Engelbrecht: Kinetin-induced directed transport of substances in excised leaves in the dark. Phytochem. 1, 58 (1961).Google Scholar
  381. Mueller, S.: The taxonomic significance of cuticular patterns within the genus Vaccinium (Ericaceae). Amer. J. Bot. 53, 633 (1966).Google Scholar
  382. Mühlethaler, K.: Plant cell walls. In: The cell, vol. II, p. 85. New York: Academic Press (1961).Google Scholar
  383. Mühlethaler, K.: Ultrastructure and formation of plant cell walls. Ann. Rev. Plant Physiol. 18, 1 (1967).Google Scholar
  384. Müller, C. H.: Inhibitory terpenes volatalized from Salvia shrubs. Bull. Torrey Bot. Club 92, 38 (1965).Google Scholar
  385. Müller, K., and A. C. Leopold: Correlative aging and transport of P32 in corn leaves under the influence of kinetin. Planta 68, 167 (1966 a).Google Scholar
  386. Müller, K., and A. C. Leopold: The mechanism of kinetin-induced transport in corn leaves. Planta 68, 186 (1966b).Google Scholar
  387. Mussell, H. W., D. J. Morré, and R. J. Green: Response of plant tissues to dimethyl sulfoxide (DMSO). Plant Physiol. (Suppl.) 40, xiii (1965).Google Scholar
  388. Mussell, H. W., D. J. Morré, and R. J. Green: Acceleration of bean leaf abscission by 2, 4-dichlorophenoxyacetic acid applied in dimethylsulfoxide. Can. J. Plant Sci. 47, 635 (1967).Google Scholar
  389. Nakamura, H.: Effect of a surfactant on the herbicidal activity of s-triazine herbicides in foliar sprays. Weed Research, Japan 6, 48 (1967).Google Scholar
  390. Nakata, S., and A. C. Leopold: Radioautographic study of translocation in bean leaves. Amer. J. Bot. 54, 769 (1967).Google Scholar
  391. Napp-Zinn, K.: Über Ektodesmen und verwandte Erscheinungen. Ber. Deut. Bot. Ges. 74, 62 (1961).Google Scholar
  392. Nelson, C. D., and P. R. Gorham: Uptake and translocation of C14-labelled sugars applied to primary leaves of soybean seedlings. Can. J. Bot. 35, 339 (1957).Google Scholar
  393. Nethery, A. A.: Mitotic inhibition by surface-active agents. Amer. J. Bot. 54, 646 (1967a).Google Scholar
  394. Nethery, A. A.: Inhibition of mitosis by surfactants. Cytol. 32, 321 (1967b).Google Scholar
  395. Nethery, A. A., and W. Hurtt: Dimethyl sulf oxide-induced modifications of growth in Phaseolus vulgaris L. Black Valentine and Red Kidney Amer. J. Bot. 54, 646 (1967).Google Scholar
  396. Neumann, St., und F. Jacob: Aufnahme von α-Aminoisobuttersäure durch die Blätter von Vicia faba L. Naturwiss. 55, 89 (1968).PubMedGoogle Scholar
  397. Noble, W. M.: Air pollution effects. Pattern of damage produced on vegetation by smog. J. Agr. Food Chem. 3, 330 (1955).Google Scholar
  398. Norris, D. M.: Systemic insecticides in trees. Ann. Rev. Entomol. 12, 127 (1967).Google Scholar
  399. Norris, L. A.: The physiological and biochemical basis of selective herbicide action. Herbic. Veg. Management Symp. Proc, p. 56 (1967).Google Scholar
  400. Norris, L. A., and V. H. Freed: Dimethyl sulfoxide as an absorption and translocation aid. W. Weed Control Conf. Research Progress Rept, p. 85 (1963).Google Scholar
  401. Norris, L. A., and V. H. Freed: The absorption and translocation characteristics of several phenoxyalkyl acid herbicides in bigleaf maple. Weed Research 6, 203 (1966).Google Scholar
  402. Norris, R. F., and M. J. Bukovac: Structure of the pear leaf cuticle with special reference to cuticular penetration. Amer. J. Bot. 55, 975 (1968).Google Scholar
  403. Northcote, D. H.: Structure and function of plant-cell membranes. Brit. Med. Bull. 24, 107 (1968).PubMedGoogle Scholar
  404. O’Brien, T. P.: Note on an unusual structure in the outer epidermal wall of the — Observations on the fine structure of the oat coleoptile. I. The epidermal cells of the extreme apex. Protoplasma 63, 385 (1967).Google Scholar
  405. Oland, K., and T. B. Opland: Uptake of magnesium by apple leaves. Physiol. Plant. 9, 401 (1956).Google Scholar
  406. Orgell, W. H.: Sorptive properties of plant cuticle. Iowa Acad. Sci. Proc. 64, 189 (1957).Google Scholar
  407. Ormrod, D. J., and A. J. Renney: A survey of weed leaf stomata and trichomes. Can. J. Plant Sci. 48, 197 (1968).Google Scholar
  408. Osborne, D. J., and M. Hallaway: The role of auxins in the control of leaf senescence. Some effects of local applications of 2, 4-dichlorophenoxyacetic acid on carbon and nitrogen metabolism. 4th Internat. Conf. Plant Growth Regulators Proc, p. 329 (1961).Google Scholar
  409. Osmond, C. B.: Ion absorption in Atriplex leaf tissue. I. Absorption by mesophyll cells. Austral. J. Biol. Sci. 21, 1119 (1968).Google Scholar
  410. Osmond, C. B., and G. G. Laties: Interpretation of the dual isotherm for ion absorption in beet tissue. Plant Physiol. 43, 747 (1968).PubMedGoogle Scholar
  411. Overbeek, J. van: Absorption and translocation of plant regulators. Ann. Rev. Plant Physiol. 7, 355 (1956).Google Scholar
  412. Pallas, J. E., Jr., and G. G. Williams: Foliar absorption and translocation of P32 and 2, 4-dichlorophenoxyacetic acid as affected by soil-moisture tension. Bot. Gaz. 123, 175 (1962).Google Scholar
  413. Palmer, R. D., and W. B. Ennis, Jr.: Periderm formation in hypocotyl of Gossypium hirsutum L. and its effect upon penetration of an herbicidal oil. Weeds 8, 89 (1960).Google Scholar
  414. Pardee, A. B.: Membrane transport proteins. Science 162, 632 (1968).PubMedGoogle Scholar
  415. Parr, J. F., and A. G. Norman: Considerations in the use of surfactants in plant systems: A review. Bot. Gaz. 126, 86 (1965).Google Scholar
  416. Pennington, L. R., and L. C. Erickson: Preliminary trials to determine the activating effects of DMSO on the phytotoxicity of dicamba and 2, 4-D to mullein. W. Weed Control Conf. Research Progress Rept., p. 102 (1966).Google Scholar
  417. Penot, M.: Action du fluorure de sodium sur l’absorption des phosphates par des disques de feuille de Nicotiana tabacum: xInhibition, stimulation. C. R. Hebd. Seances Acad. Sci. Ser. D Sci. Nature 264, 926 (1967).Google Scholar
  418. Petetin, C. A.: Identificacion de plantulas y rebrotes de malezas Compuestas (Cardos y abrepunos) y Umbeliferas. Rev. Invest. Agropecuar., Ser. 2 Biol. Prod. Veg. 1, 133 (1964).Google Scholar
  419. Phillips, R. L., and M. J. Bukovac: Influence of root temperature on absorption of foliar applied radiophosphorus and radiocalcium. Amer. Soc. Hort. Sci. Proc. 90, 555 (1967).Google Scholar
  420. Pickering, E. R.: Foliar penetration pathways of 2, 4-D, monuron, and dalapon as revealed by historadioautography. Ph.D. Diss., Univ. Calif., Davis (1965).Google Scholar
  421. Pretri-Tonelli, P. de: Penetration and translocation of Rogor applied to plants. Adv. Pest Control Research 6, 31 (1965).Google Scholar
  422. Plaut, Z., and L. Reinhold: The effect of water stress on the movement of [14C] sucrose and of tritiated water within the supply leaf of young bean plants. Austral. J. Biol. Sci. 20, 297 (1967).Google Scholar
  423. Plummer, G. L., and J. B. Kethley: Foliar absorption of amino acids, peptides, and other nutrients by the pitcher plant, Sarracenia flava. Bot. Gaz. 125, 245 (1964).Google Scholar
  424. Possingham, J. V., T. C. Chambers, F. Radler, and M. Grncarevic: Cuticular transpiration and wax structure and composition of leaves and fruits of Vitis vinifera. Austral. J. Biol. Sci. 20, 1149 (1967).Google Scholar
  425. Prasad, R., C. L. Foy, and A. S. Crafts: Role of relative humidity and solution additives on the foliar absorption and translocation of radio-labeled 2, 2-dichloropropionic acid (Dalapon). Plant Physiol. (Suppl.) 37, xiii (1962).Google Scholar
  426. Prasad, R., C. L. Foy, and A. S. Crafts: Effects of relative humidity on absorption and translocation of foliarly applied dalapon. Weeds 15, 149 (1967).Google Scholar
  427. Preece, T. F., G. Barnes, and J. M. Bayley: Junctions between epidermal cells as sites of appressorium formation by plant pathogenic fungi. Plant Pathol. 16, 117 (1967).Google Scholar
  428. Purdy, S. J., and E. V. Truter: Taxonomic significance of surface lipids of plants. Nature 190, 554 (1961).Google Scholar
  429. Quastel, J. H.: Molecular transport at cell membranes. Roy. Soc. Series B. Biol. Sci. 163, 169 (1965).Google Scholar
  430. Quimby, P. C, Jr., and J. D. Nalewaja: Uptake of dicamba-C14 by leaf sections of wheat and wild buckwheat. Weed Sci. Soc. Amer. Abstr., p. 15 (1968).Google Scholar
  431. Radler, F.: Reduction of loss of moisture by the cuticle wax components of grapes. Nature 207, 1002 (1965).Google Scholar
  432. Radunz, A.: Über die Fettsauren in Blättern und Chloroplasten von Antirrhinum majus in Abhängigkeit von der Entwicklung. Flora, Abstr. A. 157, 131 (1966).Google Scholar
  433. Rains, D. W.: Kinetics and energetics of light-enhanced potassium absorption by corn leaf tissue. Plant Physiol. 43, 394 (1968).PubMedGoogle Scholar
  434. Ram, C. S. V.: Tea leaf wax as a stimulant and fungistat of spore germination. Current Sci. 31, 428 (1962).Google Scholar
  435. Rao, A. N.: Reticulate cuticle on leaf epidermis in Hevea brasiliensis Muell. Nature 197, 1125 (1963).Google Scholar
  436. Richter, H.: Die Reaktion hochpermeabler Pflanzenzellen auf drei Gefrierschutzstoffe (Glyzerin, Äthylenglykol, Dimethylsulfoxid). Protoplasma 65, 155 (1968).Google Scholar
  437. Ringoet, A., R. V. Rechenmann, and H. Veen: Calcium movement in oat leaves measured by semi-conductor detectors. Radiat. Bot. 7, 81 (1967).Google Scholar
  438. Ringoet, A., R. V. Rechenmann, and H. Veen, G. Sauer, and A. J. Gielink: Phloem transport of calcium in oat leaves. Planta 80, 15 (1968).Google Scholar
  439. Robards, A. W.: Desmotubule—A plasmodesmatal substructure. Nature 218, 784 (1968a).Google Scholar
  440. Robards, A. W.: A new interpretation of plasmodesmatal ultrastructure. Planta 82, 100 (1968b).Google Scholar
  441. Robertson, J. D.: The organization of cellular membranes. In: Molecular organizaand biological function, p. 65. New York and London: Harper and Row (1967).Google Scholar
  442. Robertson, M. M., and R. C. Kirkwood: Differential uptake and movement as a factor influencing selective toxicity of MCPA and MCPB. 8th Brit. Weed Control Conf. Proc, p. 269 (1966).Google Scholar
  443. Roelofsen, P. A.: The plant cell-wall. In: Handbuch der Pflanzenanatomie, vol. 3, p. 1. Berlin-Nikolassee: Gebrüder Borntraeger (1959).Google Scholar
  444. Rogers, H. J., and H. R. Perkins: Cell walls and membranes. London: E. and F. N. Spon (1968).Google Scholar
  445. Rohrbach, P. W.: Penetration and accumulation of petroleum spray oils in the leaves, twigs, and fruit of citrus trees. Plant Physiol. 9, 699 (1934).Google Scholar
  446. Rossi, G., and O. Arrigoni: Ricerchesul Tultrastruttura della parete cellulare. G. Bot. Ital. 72, 271 (1965).Google Scholar
  447. Roux Lopez, J.: Estudio Morfologico de la Epidermis de Algunas Xerofitas Mexicanas. Thesis, Univ. Nac. Mex., Mexico City (1964).Google Scholar
  448. Russell, R. S.: The extent and consequences of the uptake by plants of radioactive nuclides. Ann. Rev. Plant Physiol. 14, 271 (1963).Google Scholar
  449. Sabnis, D. D., and L. J. Audus: Growth substance interactions during uptake by mesocotyl segments of Zea mays L. Ann. Bot. 31, 263 (1967a).Google Scholar
  450. Sabnis, D. D., and L. J. Audus: Growth substance interactions during uptake by coleoptile segments of Avena sativa and hypocotyl segments of Phaseolus radiatus. Ann. Bot. 31, 817 (1967b).Google Scholar
  451. Sacher, J. A.: The effect of free space enzymes on uptake of organic molecules. In: Absorption and translocation of organic substances in plants. 7th Ann. Symp., Amer. Soc. Plant Physiol. S. Sect., p. 29 (1964).Google Scholar
  452. Sachs, R. M., Y. Shia, and R. G. Maire: Penetration, translocation, and metabolism of 14C-Alar (B-9), a plant growth retardant. Plant Physiol. 42, S-50 (1967).Google Scholar
  453. Sargent, J. A.: The penetration of growth regulators into leaves. Ann. Rev. Plant Physiol. 16, 1 (1965).Google Scholar
  454. Sargent, J. A.: The physiology of entry of herbicides into plants in relation to formulation. 8th Brit. Weed Control Conf. Proa, p. 804 (1966).Google Scholar
  455. Sargent, J. A., and G. E. Blackman: Studies on foliar penetration. 2. The role of light in determining the penetration of 2, 4-dichlorophenoxyacetic acid. J. Expt. Bot. 16, 24 (1965).Google Scholar
  456. Saunders, P. F., C. F. Jenner, and G. E. Blackman: The uptake of growth substances. IV. Influence of species and chemical structure on the pattern of uptake of substituted phenoxyacetic acids by stem tissues. J. Expt. Bot. 16, 683 (1965a).Google Scholar
  457. Saunders, P. F., C. F. Jenner, and G. E. Blackman: The uptake of growth substances. V. Variation in the uptake of a series of chlorinated phenoxyacetic acids by stem tissues of Gossypium hirsutum and its relationship to differences in auxin activity. J. Expt. Bot. 16, 697 (1965b).Google Scholar
  458. Saunders, P. F., C. F. Jenner, and G. E. Blackman: The uptake of growth substances. VI. A comparative study of the factors determining the patterns of uptake of phenoxyacetic acid and 2, 4, 5-trichlorophenoxyacetic acid, weak and strong auxins, by Gossypium tissues. J. Expt. Bot. 17, 241 (1966).Google Scholar
  459. Schlafke, E.: Kritische Untersuchungen zur Wanderung von Fluorochromen in Blättern. Planta 50, 388 (1958).Google Scholar
  460. Schmid, W. E.: On the effects of DMSO in cation transport by excised barley roots. Amer. J. Bot. 55, 757 (1968).Google Scholar
  461. Schnepf, E.: Untersuchungen über Darstellung und Bau der Ektodesmen und ihre Beeinflussbarkeit durch stoffliche Faktoren. Planta 52, 644 (1959).Google Scholar
  462. Schnepf, E.: Zur Feinstruktur der Drüsen von Drosophyllum lusitanicum. Planta 54, 641 (1960).Google Scholar
  463. Schnepf, E.: Zur Cytologie und Physiologie pflanzlicher Drüsen. III. Cytologische Veränderungen in den Drüsen von Drosophyllum während der Verdauung. Planta 59, 351 (1963).Google Scholar
  464. Schnepf, E.: Zur Feinstruktur der schleimsezernierenden Drüsenhaare auf der Ochrea von Rumex und Rheum. Planta 79, 22 (1968).Google Scholar
  465. Schroeter, C.: Das Pflanzenleben der Alpen. Eine Schilderung der Hochgebirgsflora. Zürich: Verlag Albert Raustein (1923).Google Scholar
  466. Schumacher, W.: Untersuchungen über die Wanderung des Fluoresceins in den Harren von Cucurbita pepo. Jahrb. Wiss. Bot. 82, 507 (1936).Google Scholar
  467. Schumacher, W.: Der Stofftransport zwischen parenchymatischen Zellen (Nahtransport). In: Handbuch der Pflanzenphysiologie. XIII. Der Stofftransport in der Pflanze, p. 3. Berlin, Heidelberg, New York: Springer-Verlag (1967 a).Google Scholar
  468. Schumacher, W.: Der Transport von Fluorescein in Haarzellen. In: Handbuch der Pflanzenphysiologie. XXII. Der Stofftransport in der Pflanze, p. 17. Berlin, Heidelberg, New York: Springer-Verlag (1967 b).Google Scholar
  469. Sciuchetti, L. A.: The effects of DMSO alone and when combined with various growth regulators on the growth and metabolic products of Datura spp. In: Biological actions of dimethyl sulfoxide. Ann. N. Y. Acad. Sci. 141, 139 (1967).Google Scholar
  470. Sciuchetti, L. A., and G. G. Hutchison: The influence of gibberellic acid and dimethylsulfoxide (DMSO) on the growth and metabolic products of Datura tatula. Lloydia 29, 368 (1966).Google Scholar
  471. Scott, F. M.: Lipid deposition in intercellular space. Nature 203, 164 (1964).Google Scholar
  472. Scott, F. M.: Cell wall surface of the higher plants. Nature 210, 1015 (1966).Google Scholar
  473. Setterfield, G., and S. T. Bayley: Structure and physiology of cell walls. Ann. Rev. Plant Physiol. 12, 35 (1961).Google Scholar
  474. Sharma, G. K., and D. B. Dunn: Effect of environment on the cuticular features in Kalanchoe fedschenkoi. Bull. Torrey Bot. Club 95, 464 (1968).Google Scholar
  475. Shellhorn, S. J., and H. M. Hull: A six-dye staining schedule for sections of mesquite and other desert plants. Stain Technol. 36, 69 (1961).Google Scholar
  476. Shellhorn, S. J., and H. M. Hull: Enhanced herbicidal absorption in mesquite with a DMSO carrier complex. Weed Sci. Soc. Amer. Abstr. No. 163 (1969).Google Scholar
  477. Siddiq, E. A., R. P. Puri, and V. P. Singh: Studies on growth and mutation frequency in rice in treatments with dimethyl sulfoxide and ethyl methane sulphonate. Current Sci. 37, 686 (1968).Google Scholar
  478. Siegel, S. M.: The plant cell wall. A topical study of architecture, dynamics, comparative chemistry and technology in a biological system. New York: Macmillan (1962).Google Scholar
  479. Sievers, A.: Über den Einfluss von monochromatischem Licht auf die Darstellbarkeit der Ektodesmen. A. Naturforsch. 15b, 49 (1960).Google Scholar
  480. Sievers, A.: Zur Epidermisaussenwand der Fühlborsten von Dionaea museipula. Planta 83, 49 (1968).Google Scholar
  481. Sifton, H. B.: On the hairs and cuticle of Labrador tea leaves. A developmental study. Can. J. Bot. 41, 199 (1963).Google Scholar
  482. Silva Fernandes, A. M. S.: Studies on plant cuticle. VIII. Surface waxes in relation to water-repellency. Ann. Applied Biol. 56, 297 (1965a).Google Scholar
  483. Silva Fernandes, A. M. S.: Studies on plant cuticle. IX. The permeability of isolated cuticular membranes. Ann. Applied Biol. 56, 305 (1965b).Google Scholar
  484. Silva Fernandes, A. M. S., R. F. Batt, and J. T. Martin: The cuticular waxes of apple leaves and fruits and the cuticles of pear fruits during growth. Ann. Rept. Agr. Hort. Research Sta., Long Ashton, Bristol, p. 110 (1963).Google Scholar
  485. Simon, E. W., and H. Beevers: The effect of pH on the biological activities of weak acids and bases. I. The most usual relationship between pH and activity. New Phytol. 51, 163 (1952).Google Scholar
  486. Sirois, D. L.: Toxicity of surfactant-herbicide combinations to Lemna minor L. Ph.D. Diss., p. 97. Iowa State Univ. Sci. Technol. (1967).Google Scholar
  487. Sitte, P.: Feinbau und Funktion der Pflanzenzellwand. Die Umsch. in Wiss. und Tee. 9, 273 (1962).Google Scholar
  488. Sitte, P., and R. Rennier: Untersuchungen en cuticularen Zellwandschichten. Planta Arch. Wiss. Bot. 60, 19 (1963).Google Scholar
  489. Sjöstrand, F. S.: Critical evaluation of ultrastructural patterns with respect to fixation. In: Symp. Internat. Soc. Cell Biol., vol. I, p. 47. The interpretation of ultrastructure. New York: Academic Press (1962).Google Scholar
  490. Skoss, J. D.: Structure and composition of plant cuticle in relation to environmental factors and permeability. Bot. Gaz. 117, 55 (1955).Google Scholar
  491. Smith, G. N., B. S. Watson, and F. S. Fischer: Investigations on Dursban insecticide. Uptake and translocation of [36Cl] O, O-diethyl O-3, 5, 6-trichloro-2-pyridyl phosphorothioate and [14C] 0, 0-diethyl O-3, 5, 6-trichloro-2-pyridyl phosphorothioate by beans and corn. J. Agr. Food Chem. 15, 127 (1967).Google Scholar
  492. Smith, L. W., and C. L. Foy: Penetration and distribution studies in bean, cotton, and barley from foliar and root applications of Tween 20-C14 fatty acid and oxyethylene labeled. J. Agr. Food Chem. 14, 117 (1966).Google Scholar
  493. Smith, L. W., and C. L. Foy: Interactions of several paraquat-surfactant mixtures. Weeds 15, 67 (1967).Google Scholar
  494. Smith, L. W., and D. E. Bayer: Structure-activity relationships of alkylphenol ethylene oxide ether non-ionic surfactants and three water-soluble herbicides. Weed Research 6, 233 (1966).Google Scholar
  495. Smith, L. W., and D. E. Bayer: Herbicidal enhancement by certain new biodegradable surfactants. Weeds 15, 87 (1967).Google Scholar
  496. Smith, R. C, and E. Epstein: Ion absorption by shoot tissue: Technique and first findings with excised leaf tissue of corn. Plant Physiol. 39, 338 (1964).PubMedGoogle Scholar
  497. Sorokin, H. P., and K. V. Thimann: The histological basis for inhibition of axillary buds in Pisum sativum and the effects of auxins and kinetin on xylem development. Protoplasma 59, 326 (1964).Google Scholar
  498. Spanswick, R. M., and J. W. F. Costerton: Plasmodesmata in Nitella translucens: Structure and electrical resistance. J. Cell Sci. 2, 451 (1967).PubMedGoogle Scholar
  499. Stace, C. A.: Cuticular studies as an aid to plant taxonomy. Bull. Brit. Mus. (Nat. Hist.) Bot. 4, 1 (1965).Google Scholar
  500. Stadelmann, E. J., and J. Wattendorff: Plasmolysis and permeability of alpha-irradiated epidermal cells of Allium cepa. Protoplasma 62, 86 (1966).Google Scholar
  501. Staehelin, L. A.: The interpretation of freeze-etched artificial and biological membranes. J. Ultrastruct. Research 22, 326 (1968).Google Scholar
  502. Stein, H.: Actinomycin D: Its inhibitory effect on the development of epidermal hairs on seedlings of Sinapis alba L. Israel J. Bot. 16, 124 (1967).Google Scholar
  503. Stein, W. D.: The movement of molecules across cell membranes. New York: Academic Press (1967).Google Scholar
  504. Steiner, A., L. Price, K. Mitrakos, and W. H. Klein: Red light effects on uptake of 14C and 32P into etiolated corn leaf tissue during photomorphogenic leaf opening. Physiol. Plant. 21, 895 (1968).Google Scholar
  505. Steinhubel, G.: Vplyv voskoviteho povlaku na tepelny rezim listov mahonie. Biol. (Bratislava) 22, 246 (1967).Google Scholar
  506. Stewart, J. M., and E. A. C. Follett: The electron microscopy of leaf surfaces preserved in peat. Can. J. Bot. 44, 421 (1966).Google Scholar
  507. Stroev, S. S.: Vliyanie poverkhnostonoaktivnykh veshchestv na katalaznuyu aktivnost’ Candida albicans. Tr. Leningrad Khim-Farm Inst. 18, 109 (1965).Google Scholar
  508. Strugger, S.: Luminiszenzmikroskopische Analyse des Transpirationsstromes in Parenchymen. Biol. Zent. 50, 409 (1939).Google Scholar
  509. Sukhorukov, K. T., and Y. M. Plotnikova: O strukture i funktsiyakh plazmodesm i ektodesm. Usp. Sovrem. Biol. 60, 299 (1965).Google Scholar
  510. Szabo, S. S.: The hydrolysis of 2, 4-D esters by bean and corn plants. Weeds 11, 292 (1963).Google Scholar
  511. Talton, J. H., Jr., C. H. Hendershott, and R. H. Biggs: Absorption and trans-location of iodoacetic acid by foliage of two sweet orange varieties. Amer. Soc. Hort. Sci. Proc. 90, 117 (1967).Google Scholar
  512. Temple, R. E., and H. W. Hilton: The effect of surfactants on the water solubility of herbicides, and the foliar phytotoxicity of surfactants. Weeds 11, 297 (1963).Google Scholar
  513. Thompson, N. P.: Regeneration of xylem and auxin transport in peanut leaves. Amer. J. Bot. 55, 731 (1968).Google Scholar
  514. Thomson, W. W., and L. L. Liu: Ultrastructural features of the salt gland of Tamarix aphylla L. Planta 73, 201 (1967).Google Scholar
  515. Tietz, H.: Der mit 82P markierte Diäthylthionophosphorsäureester des p-Oxäthyl-thioäthyläthers (Wirkstoff des systemischen Insekticides, “Systox”), seine Aufnahme in die höhere Pflanze und sein Wanderungsvermögen. Höfchen-Brief e 7, 1 (1954).Google Scholar
  516. Ting, I. P., and W. E. Loomis: Diffusion through stomates. Amer. J. Bot. 50, 866 (1963).Google Scholar
  517. Torii, K., and G. G. Laties: Dual mechanisms of ion uptake in relation to vacuo-lation in corn roots. Plant Physiol. 41, 863 (1966).PubMedGoogle Scholar
  518. Trip, P., and P. R. Gorham: Translocation of sugar and tritiated water in squash plants. Plant Physiol. 43, 1845 (1968).PubMedGoogle Scholar
  519. Troshin, A. S.: Problems of cell permeability. Oxford: Pergamon Press (1966).Google Scholar
  520. Troughton, J. H., and D. M. Hall: Extracuticular wax and contact angle measurements on wheat Triticum vulgäre L. Austral. J. Biol. Sci. 20, 509 (1967).Google Scholar
  521. Tschirley, F. H.: Research Report... Response of tropical and subtropical woody plants to chemical treatments. Rept. CR 13-67, Agr. Research Service, 17. S. Department of Agriculture (1968).Google Scholar
  522. Tukey, H. B., Jr.: Leaching of metabolites from above-ground plant parts and its implications. Bull. Torrey Bot. Club 93, 385 (1966).Google Scholar
  523. Tukey, H. B., R. A. Mecklenburg, and J. V. Morgan: A mechanism for the leaching of metabolites from foliage. In: Proc. Symp. Use of Isotopes and Radiation in Soil-plant Nutrition Studies, p. 371. Internat. Atomic Energy Agency (1965).Google Scholar
  524. Turkina, M. V., and S. V. Sokolova: Transport sakharozy cheerez kletochnye membrany provodyashchikh tkanei. Fiziol. Rast. 14, 425 (1967).Google Scholar
  525. Turrell, F. M.: Citrus leaf stomata: Structure, composition, and pore size in relation to penetration of liquids. Bot. Gaz. 108, 476 (1947).Google Scholar
  526. Umoessien, S. N., F. M. Ashton, and C. L. Foy: Effects of hydrophilic-lipophilic balance (HLB) of nonionic surfactants on phytotoxicity of linuron and pro-metryne to carrots. Weed Soc. Amer. Abstr., p. 15 (1967).Google Scholar
  527. Veen, R. van der, and G. Meijer: Light and plant growth. New York: Macmillan (1960).Google Scholar
  528. Venis, M. A., and G. E. Blackman: The uptake of growth substances. IX. Further studies of the mechanism of uptake of 2, 3, 6-trichlorobenzoic acid by Avena segments. J. Expt. Bot. 17, 790 (1966).Google Scholar
  529. Vernon, L. P., and E. Shaw: Photochemical activities of spinach chloroplasts following treatment with the detergent Triton X-100. Plant Physiol. 40, 1269 (1965).PubMedGoogle Scholar
  530. Vieitez, E., J. Méndez, C. Mato, and A. Vazquez: Effect of Tweens 80, 40 and 20 on the growth of Avena eoleoptile sections. Physiol. Plant. 18, 1143 (1965).Google Scholar
  531. Vlitos, A. J., and H. G. Cutler: Plant growth regulating activity of cuticular waxes of sugarcane. Plant Physiol. (Suppl.) 35, vi (1960).Google Scholar
  532. Voeller, B. R., M. C. Ledbetter, and K. R. Porter: The plant cell. Aspects of its form and function. In: The cell, vol. VI, p. 245. New York and London: Academic Press (1964).Google Scholar
  533. Voevodin, A. V., and S. V. Andreev: Absorption of 2, 4-D by the leaves of wild plants. Dokl. Akad. Nauk. SSSR 134, 211 (1960).Google Scholar
  534. Volk, R., and C. McAuliffe: Factors affecting the foliar absorption of N15 labeled urea by tobacco. Soil Sci. Soc. Amer. Proc. 18, 308 (1954).Google Scholar
  535. Wain, R. L., and G. A. Carter: Uptake, translocation and transformations by higher plants. In: Fungicides. An advanced treatise. Vol. I. Agricultural and industrial applications; environmental interactions, pp. 561-611. New York and London; Academic Press (1967).Google Scholar
  536. Waldron, J. D., D. S. Gowers, A. C. Chibnall, and S. H. Piper: Further observations on the parafions and primary alcohols of plant waxes. Biochem. J. 78, 435 (1961).PubMedGoogle Scholar
  537. Ward, T. M., and R. P. Upchurch: Herbicide adsorption. Role of the amido group in adsorption mechanisms. J. Agr. Food Chem. 13, 334 (1965).Google Scholar
  538. Wax, L. M., and R. Behrens: Absorption and translocation of atrazine in quack-grass. Weeds 13, 107 (1965).Google Scholar
  539. Weaver, R. J., G. Alleweldt, and R. M. Pool: Absorption and translocation of gibberellic acid in the grapevine. Vitis Ber. Rebensforsch. 5, 446 (1966).Google Scholar
  540. Webster, D. H.: Entry of 2, 4-dichlorophenoxyacetic acid into lambkill leaves at various 2, 4-D/Tween 20 ratios. Weeds 10, 250 (1962).Google Scholar
  541. Webster, D. H., and H. B. Currier: Heat-induced callose and lateral movement of assimilates from phloem. Can. J. Bot. 46, 1215 (1968).Google Scholar
  542. Weiser, C. J., L. T. Blaney, and P. Li: The question of boron and sugar trans-location in plants. Physiol. Plant. 17, 589 (1964).Google Scholar
  543. Welch, R. M., and E. Epstein: The dual mechanisms of alkali cation absorption by plant cells: Their parallel operation across the plasmalemma. Nat. Acad. Sci. Proc. 61, 447 (1968).Google Scholar
  544. Welch, R. M., and E. Epstein: The plasmalemma: Seat of the type 2 mechanisms of ion absorption. Plant Physiol. 44, 301 (1969).PubMedGoogle Scholar
  545. Westwood, M. N., L. P. Batjer, and H. D. Billingsley: Effects of environment and chemical additives on absorption of dinitro-o-cresol by apple leaves. Amer. Soc. Hort. Sci. Proc. 76, 30 (1960).Google Scholar
  546. Whitesell, J. H., and N. P. Thompson: The uptake of Azodrin in corn. Plant Physiol. 43, S-35 (1968).Google Scholar
  547. Wilkinson, R. E.: Vegetative response of saltcedar (Tamarix pentandra Pall.) to photoperiod. Plant Physiol. 41, 271 (1966a).PubMedGoogle Scholar
  548. Wilkinson, R. E.: Seasonal development of anatomical structures of saltcedar foliage. Bot. Gaz. 127, 231 (1966b).Google Scholar
  549. Williams, M. W., G. C. Martin, and E. A. Stahly: The movement and fate of sorbitol-C14 in the apple tree and fruit. Amer. Soc. Hort. Sci. Proc. 90, 20 (1967).Google Scholar
  550. Wilson, K.: The growth of plant cell walls. Internat. Rev. Cytol. 17, 1 (1964).Google Scholar
  551. Wittwer, S. H.: Foliar absorption of plant nutrients. Adv. Frontiers Plant Sci. 8, 161 (1964).Google Scholar
  552. Wittwer, S. H.: Foliar application of nutrients for horticultural crops. Internat. Symp. Trop. and Subtrop. Hort. Proc, Indian Hort. Soc. and Internat. Hort. Soc. (In press) (1969).Google Scholar
  553. Wittwer, S. H., M. J. Bukovac, W. H. Jyung, Y. Yamada, R. De, H. P. Rasmussen, S. N. H. Mariam, and S. Kannan: Foliar absorption—Penetration of the cuticular membrane and nutrient uptake by isolated leaf cells. Qualit. Plant. 14, 105 (1967).Google Scholar
  554. Wittwer, S. H., and F. G. Teubner: Foliar absorption of mineral nutrients. Ann. Rev. Plant. Physiol. 10, 13 (1959).Google Scholar
  555. Woodbine, M.: Biogenesis of fatty acids. In: Fatty acids: Their chemistry, properties, production, and uses, 2nd ed., part III, p. 1967. New York: Interscience (1964).Google Scholar
  556. Woolley, J. T.: Relative permeabilities of plastic films to water and carbon dioxide. Plant Physiol. 42, 641 (1967).PubMedGoogle Scholar
  557. Worley, J. F.: Rotational streaming in fiber cells and its role in translocation. Plant Physiol. 43, 1648 (1968).PubMedGoogle Scholar
  558. Wortmann, G. B.: Elektronenmikroskopische Untersuchungen der Blattoberfläche und deren Veränderungen durch Pflanzenschutzmittel. Z. Pflanzenkr. Pflan-zenpathol. Pflanzenschutzber. 72, 641 (1965).Google Scholar
  559. Yamada, Y., W. H. Jyung, S. H. Wittwer, and M. J. Bukovac: The effects of urea on ion penetration through isolated cuticular membranes and ion uptake by leaf cells. Amer. Soc. Hort. Sci. Proc. 87, 429 (1965).Google Scholar
  560. Yamada, Y., H. P. Rasmussen, M. J. Bukovac, and S. H. Wittwer: Binding sites for inorganic ions and urea on isolated cuticular membrane surfaces. Amer. J. Bot. 53, 170 (1966).Google Scholar
  561. Yamaguchi, S.: Analysis of 2, 4-D transport. Hilgardia 36, 349 (1965).Google Scholar
  562. Zelitch, I.: Environmental and biochemical control of stomatal movement in leaves. Biol. Rev. 40, 463 (1965).Google Scholar
  563. Zelitch, I.: Control of leaf stomata—Their role in transpiration and photosynthesis. Amer. Sci. 55, 472 (1967).Google Scholar
  564. Zelitch, I.: stomatal control. Ann. Rev. Plant Physiol. 20, 329 (1969).Google Scholar
  565. Zemskaya, V. A., and Y. V. Rakitin: Lokalizatsiya 2, 4-D Vkletkakh list’ev kukuruzy i podsolnechnika. Fiziol. Rast. 14, 1011 (1967).Google Scholar
  566. Ziegler, H., and U. Lüttge: Die Salzdrüsen von Limonium vulgäre. II. Die Lokalisierung des Chlorids. Planta 74, 1 (1967).Google Scholar
  567. Ziegler, H., and I. Vogt: The exudation of 14C-Flurenol by guttation. Z. Pflanzenkr. Pflanzenpathol. Pflanzenschutzber. 4, 115 (1968).Google Scholar
  568. Zöttl, P.: Vitalfärbestudien mit Methylrot. Protoplasma 51, 465 (1960).Google Scholar
  569. Zweep, W. van der: Laboratoriumversuche über die Interaktion zwischen Ammoniumthioeyanate bzw. N6-Benzyladenin und Amitrol. Z. Pflanzenkr. Pflanzenpathol. Pflanzenschutzber. 3, 123 (1965).Google Scholar

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© Springer Science+Business Media New York 1970

Authors and Affiliations

  • Herbert M. Hull
    • 1
  1. 1.Crops Research Division, Agricultural Research Service, U.S. Department of Agriculture and Department of Watershed ManagementArizona Agricultural Experiment StationTucsonUSA

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