Electron-microscopy on anther tissue and pollen of male sterile and fertile wheat (Triticum aestivum L.) A. Ph. de VriesT. S. Ie OriginalPaper Pages: 103 - 120
A membrane investing mature individual pollen grains of pyrethrum (Chrysanthemum cinerariaefolium Vis.) J. G. BrewerS. Henstra OriginalPaper Pages: 121 - 124
Basic information for the use of primary trisomics in genetic and breeding research J. G. Th. Hermsen OriginalPaper Pages: 125 - 140
Precocity and productivity of propagated apple and pear seedlings as dependent on the juvenile period T. VisserD. P. de Vries OriginalPaper Pages: 141 - 144
Influence of temperature on string formation of beans (Phaseolus vulgaris) E. Drijfhout OriginalPaper Pages: 145 - 151
Testing onions (Allium cepa L.) and otherAllium species for resistance toBotrytis allii Munn. Q. P. van der MeerJ. L. van BennekomA. C. van der Giessen OriginalPaper Pages: 152 - 162
Linkage between tolerance to high soil acidity and genetically high protein content in the kernel of wheat,Triticum aestivum L. and its possible use in breeding J. MesdagL. A. J. SlootmakerJ. Post Jr OriginalPaper Pages: 163 - 174
Germination of pollen of weed rye (Secale segetale L.) on wheat (Triticum aestivum L.) stigmas and the growth of the pollen tubes A. C. ZevenC. van Heemert OriginalPaper Pages: 175 - 179
Promotion of pistillate flowering inCucurbita by 2-chloroethylphosphonic acid R. W. RobinsonTh. W. WhitakerG. W. Bohn OriginalPaper Pages: 180 - 183
Crossability values within the slash-caribbeanPinus species complex M. U. Slee OriginalPaper Pages: 184 - 189
Susceptibility toFusarium culmorum (W.G.Sm.)Sacc. in wheat (Triticum aestivum L.) substitution lines W. J. WhittingtonS. D. Feakin OriginalPaper Pages: 190 - 193
Advantages of seed selection in wheat aneuploid studies R. MorrisJ. W. SchmidtV. A. Johnson OriginalPaper Pages: 194 - 198
Yield variation in the early productive years in trials with cacao (Theobroma cacao L.) B. G. D. Bartley OriginalPaper Pages: 199 - 206
Propagation of celery (Apium graveolens, L. var.Dulce) S. HonmaJ. D. VriesengaJ. C. Bouwkamp OriginalPaper Pages: 207 - 209
Further sources of resistance toHeterodera rostochiensis woll. in the andigena potatoes H. W. HowardC. S. ColeJ. M. Fuller OriginalPaper Pages: 210 - 216
Cytogenetic studies of the F1 hybridSolanum indicum L. ×S. melongena L. and its amphidiploid S. Rajasekaran OriginalPaper Pages: 217 - 224
The measurement and interpretation of genotype-environment interactions R. Knight OriginalPaper Pages: 225 - 235
The interaction of genotype and environment in durum wheat P. J. KaltsikesE. N. Larter OriginalPaper Pages: 236 - 242
Resistance of tomato cultivars and progenies to fruit hollowness D. PalevitchN. Kedar OriginalPaper Pages: 253 - 260
A spontaneous mutant for flower colour and shape in a white flowering dahlia J. P. SinghR. S. AroraK. Sengupta OriginalPaper Pages: 261 - 262
Martinus Willem Beijerinck a hybridizer ofTriticum andHordeum species at the end of the 19th century and his investigations into the origin of wheat A. C. Zeven OriginalPaper Pages: 263 - 275