Abstract
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• It is of importance, when comparing physiological responses of leaves to environmental constraints among different genotypes, to take into account any effect related to leaf position and age within the canopy that might interfere with the response to the constraints.
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• To document such effects, photosynthetic capacity and tolerance to heat and to oxidation were measured on leaves from the top to the bottom of three-month-old single-stem rooted cuttings of Populus deltoides × P. nigra genotypes, ‘Dorskamp’ and ‘Luisa_Avanzo’, thus taking into account a gradient of ages from youngest and still expanding (top) to oldest and fully expanded (bottom) leaves.
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• All recorded traits were tightly linked to the age of the leaves. Photosynthetic capacity gradually increased during leaf expansion, in parallel with chlorophyll content and relative nitrogen allocation to RuBisCO and to bioenergetics. On the contrary, dark respiration gradually decreased during leaf expansion until a minimum value was reached at maturity. Compared to expanding leaves, young mature leaves were characterized by a lower sensitivity to heat and a higher one to oxidations generated by methyl-viologen.
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• Leaf characteristics appeared to vary along the stem to a larger extent than between the two genotypes that display largely different productivities in plantations.
Résumé
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•Pour comparer de manière fiable la réponse physiologique de feuilles de différents génotypes aux contraintes abiotiques, il est important de prendre en compte les effets liés à la position et à l’âge des feuilles au sein de la canopée pouvant interférer avec la réponse à la contrainte.
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•Afin de documenter de tels effets, les capacités photosynthétiques et la tolérance à la chaleur et aux oxydations ont été mesurées sur des feuilles réparties tout le long de la tige de boutures de 3 mois des génotypes de Populus deltoides × P. nigra, ‘Luisa_Avanzo’ et ‘Dorskamp’.
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•Tous les traits mesurés présentaient une forte variabilité liée à l’âge des feuilles. Les capacités photosynthétiques augmentaient graduellement durant l’expansion foliaire, en parallèle avec les teneurs en chlorophylles et avec l’allocation d’azote à la RuBisCO et au transfert photosynthétique d’électrons. Au contraire, la respiration diminuait graduellement durant l’expansion foliaire jusqu’à ce qu’une valeur minimum soit atteinte à maturité de la feuille. En comparaison avec les feuilles en croissance, les jeunes feuilles matures étaient caractérisées par une tolérance plus grande à la chaleur et plus faible aux oxydations générées par du méthylviologène.
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•Les caractéristiques foliaires variaient plus le long de la tige qu’entre les deux génotypes, pourtant connus pour leurs différences de niveau de productivité en plantation.
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Abbreviations
- LPI:
-
leaf plastochron index
- W :
-
leaf width (cm)
- A :
-
leaf area (cm2)
- SLA:
-
specific leaf area (cm2 g −1DW )
- A:
-
assimilation rate (μmolCO2 m−2 s−1)
- ca :
-
atmospheric CO2 partial pressure (Pa)
- ci :
-
partial pressure in the substomatal cavities (Pa)
- Jmax :
-
maximal light driven electron flow (μmole− m−2 s−1)
- PB :
-
fraction leaf nitrogen invested into bioenergetics
- PR :
-
fraction leaf nitrogen invested into RuBisCO
- Rd :
-
dark respiration (μmolCO2 m−2 s−1)
- Vcmax :
-
maximal carboxylation rate (μmolCO2 m−2 s−1)
- VcmaxApp :
-
apparent Vcmax, values not taking into account the internal conductance to CO2 transfer
- TC :
-
critical temperature for PS II stability (°C)
- F0 :
-
initial fluorescence
- Fm :
-
maximal fluorescence
- Fv :
-
variable fluorescence
References
Bilger H.W., Schreiber U., and Lange O.L., 1984. Determination of leaf heat resistance: comparative investigation of chlorophyll fluorescence changes and tissue necrosis methods. Oecologia 63: 256–262.
Brignolas F., Thierry C., Guerrier G., and Boudouresque E., 2000. Compared water deficit response of two Populus × euramericana clones, Luisa Avanzo and Dorskamp. Ann. For. Sci. 57: 261–266.
Ceulemans R., 1990. Genetic variation in functional and structural productivity determinants in poplar. Thesis Publishers, Amsterdam.
Ceulemans R., Impens I., and Steenackers V., 1988. Genetic variation in aspects of leaf growth of Populus clones, using the leaf plastochron index. Can. J. For. Res. 18: 1069–1077.
Ceulemans R. and Isebrands J.G., 1996. Carbon acquisition and allocation. In: Stettler R.F., Bradshaw, H.D. Jr., Heilman P.E., Hinckley T.M. (Eds.), Biology of Populus and its implications for management and conservation, NRC Research Press, National Research Council of Canada, Ottawa, pp. 355–392.
Coleman M.D., Dickson R.E., Isebrands J.G., and Karnosky D.F., 1996. Root growth and physiology of potted and field-grown trembling aspen exposed to tropospheric ozone. Tree Physiol. 16: 145–152.
Coll L., Messier C., Delagrange S., and Berninger F., 2007. Growth, allocation and leaf gas exchanges of hybrid poplar plants in their establishment phase on previously forested sites: effect of different vegetation management techniques. Ann. For. Sci. 64: 275–285.
Dickmann D.I., 1971. Photosynthesis and respiration by developing leaves of cottonwood (Populus deltoides Bartr.). Bot. Gaz. 132: 253–259.
Dickson R.E., 1986. Carbon fixation and distribution in young Populus trees. In: Fujimori, T., Whitehead, D. (Eds.), Crown and canopy structure in relation to productivity, forestry and forest products, Research Institute, Ibaraki, pp. 409–426.
Dreyer E., Le Roux X., Montpied P., Daudet F.A., and Masson F., 2001. Temperature response of leaf photosynthetic capacity in seedlings from seven temperate tree species. Tree Physiol. 21: 223–232.
Erickson R.O. and Michelini F.J., 1957. The plastochron index. Am. J. Bot. 44: 297–305.
Evans J.R. and Poorter H., 2001. Photosynthetic acclimation of plants to growth irradiance: the relative importance of specific leaf area and nitrogen partitioning in maximizing carbon gain. Plant Cell Environ. 24: 755–767.
Froux F., Ducrey M., Epron D., and Dreyer E., 2004. Seasonal variations and acclimation potential of the thermostability in four Mediterranean conifers. Ann. For. Sci. 61: 235–241.
Genty B., Briantais J.M., and Baker N.R., 1987. The relationship between the quantum yield of photosynthetic electron transport and quenching of chlorophyll fluorescence. Biochim. Biophys. Acta 990: 87–92.
Gonzalez-Real M.M. and Baille A., 2000. Changes in leaf photosynthetic parameters with leaf position and nitrogen content within a rose plant canopy (Rosa hybrida). Plant Cell Environ. 23: 351–363.
Isebrands J.G. and Larson P.R., 1977. Organization and ontogeny of the vascular cambium in the petiole of eastern cottonwood. Am. J. Bot. 64: 65–77.
Larson P.R. and Gordon J.C., 1969. Leaf development, photosynthesis and 14C distribution in Populus deltoides seedlings. Am. J. Bot. 56: 1058–1066.
Larson P.R. and Isebrands J.G., 1971. The plastochron index as applied to developmental studies of cottonwood, Can. J. For. Res. 1: 1–11.
Logan B.A. and Monson R.K., 1999. Thermotolerance of leaf disks from four isoprene-emitting species is not enhanced by exposure to exogenous isoprene. Plant Physiol. 120: 821–825.
Marron N., Delay D., Petit J.-M., Dreyer E., Kahlem G., Delmotte F.M., and Brignolas F., 2002. Physiological traits of two Populus × euramericana clones, Luisa Avanzo and Dorskamp, during a water stress and re-watering cycle. Tree Physiol. 22: 849–858.
Marron N., Dreyer E., Boudouresque E., Delay D., Petit J.-M., Delmotte F.M., and Brignolas F., 2003. Impact of successive drought and rewatering cycles on growth and specific leaf area of two Populus × canadensis (Moench) clones, ‘Dorskamp’ and ‘Luisa_Avanzo’. Tree Physiol. 23: 1225–1235.
Marron N., Maury S., Rinaldi C., and Brignolas F., 2006. Impact of drought and leaf development stage on enzymatic antioxidant system of two Populus deltoides × nigra clones. Ann. For. Sci. 63: 323–327.
McKinney G., 1941. Absorption of light by chlorophyll solutions. J. Biol. Chem. 140: 315–322.
Mediavilla S. and Escudero A., 2003. Photosynthetic capacity, integrated over the lifetime of a leaf, is predicted to be independent of leaf longevity in some tree species. New Phytol. 159: 203–211.
Miyazawa S.-I. and Terashima I., 2001. Slow development of leaf photosynthesis in an evergreen broad-leaved tree, Castanopsis sieboldii: relationships between leaf anatomical characteristics and photosynthetic rate. Plant Cell Environ. 24: 279–291.
Nautiyal P.C., Rachaputi N.R., and Joshi Y.C., 2002. Moisture-deficit-induced changes in leaf-water content, leaf carbon exchange rate and biomass production in groundnut cultivars differing in specific leaf area. Field Crop. Res. 74: 67–79.
Nelson N.D. and Isebrands J.G., 1983. Late-season photosynthesis and photosynthetate distribution in an intensively cultured Populus nigra × laurifolia clone. Photosynthetica 17: 537–549.
Niinemets Ü., 1999. Research review. Components of leaf dry mass per area — thickness and density — alter leaf photosynthetic capacity in reverse directions in woody plants. New Phytol. 144: 35–57.
Niinemets Ü., 2001. Global-scale climatic controls of leaf dry mass per area, density, and thickness in trees and shrubs. Ecology 82: 453–469.
Niinemets Ü., and Tenhunen J.D., 1997. A model separating leaf structural and physiological effects on carbon gain along light gradients for the shade-tolerant species Acer saccharum. Plant Cell Environ. 20: 845–866.
Niinemets Ü., Cescatti A., Rodeghiero M., and Tosens T., 2005. Leaf internal diffusion conductance limits photosynthesis more strongly in older leaves of Mediterranean evergreen broad-leaved species. Plant Cell Environ. 28: 1552–1566.
Reich P.B., 1983. Effects of low concentrations of O3 on net photosynthesis, dark respiration, and chlorophyll contents in aging hybrid poplar leaves. Plant Physiol. 73: 291–296.
Schumaker M.A., Bassman J.H., Robberecht R., and Radamaker G.K., 1997. Growth, leaf anatomy, and physiology of Populus clones in response to solar ultraviolet-B radiation. Tree Physiol. 17: 617–626.
Smirnoff N., 1993. The role of active oxygen in the response of plants to water deficit and desiccation. New Phytol. 125: 27–58.
Soulères G., 1992. Les milieux de la populiculture. IDF, Paris.
Van Arendonk J.J.M.C. and Poorter H., 1994. The chemical composition and anatomical structure of leaves of grass species differing in relative growth rate. Plant Cell Environ. 17: 963–970.
Van Volkenburgh E. and Taylor G., 1996. Leaf growth physiology. In: Stettier R.F., Bradshaw H.D.Jr, Heilman P.E., Hinckley T.M. (Eds.), Biology of Populus and its implications for management and conservation, NRC Research Press, National Research Council of Canada, Ottawa, pp. 283–299.
Warren C.R., 2006a. Estimating the internal conductance to CO2 movement. Funct. Plant Biol. 33: 431–442.
Warren C.R., 2006b. Why does photosynthesis decrease with needle age in Pinus pinaster? Trees 20: 157–164.
Wright I.J. and Cannon K., 2001. Relationships between leaf lifespan and structural defences in a low-nutrient, sclerophyll flora. Funct. Ecol. 15: 351–359.
Yamane Y., Kashino Y., Koike H., and Satoh K., 1997. Increases in the fluorescence F0 level and reversible inhibition of photosystem II reaction center by high-temperature treatments in higher plants. Photosynth. Res. 52: 57–64.
Zelawski W. and Walker R.B., 1976. Photosynthesis, respiration, and dry matter production. In: Miksche J.P (Ed.), Modern methods of forest genetics, Springer-Verlag, New York, pp. 89–119.
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Marron, N., Brignolas, F., Delmotte, F.M. et al. Modulation of leaf physiology by age and in response to abiotic constraints in young cuttings of two Populus deltoides × P. nigra genotypes. Ann. For. Sci. 65, 404 (2008). https://doi.org/10.1051/forest:2008016
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DOI: https://doi.org/10.1051/forest:2008016