Shipley2000b

Référence

Shipley, B. (2000) Plasticity in relative growth rate and its components following a change in irradiance. Plant, Cell and Environment, 23(11):1207-1216.

Résumé

A total of 244 plants from two species, Lythrum salicaria and Epilobium glandulosum, were grown individually in hydroponic sand culture from seed for 36 d. Until day 27 all plants experienced an irradiance of 550 ?mol m-2 s-1 PFD and on day 27 half of the plants were subjected to a neutral shade treatment in which irradiance was reduced to 100 ?mol m-2 s-1 photon fluy density (PFD). Measures of relative growth rate, net assimilation rate, specific leaf area, biomass partitioning to leaves, roots, structural tissues (i.e. stems, petioles and inflorescences) and tissue density were obtained from intensive harvests three or four times per day. The shade treatment caused an immediate decrease in relative growth rate and net assimilation rate. Within hours the specific leaf area of the shaded plants increased and leaf tissue density decreased, thus partially offsetting the decrease in relative growth rate. Biomass partitioning was not affected.

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@ARTICLE { Shipley2000b,
    AUTHOR = { Shipley, B. },
    TITLE = { Plasticity in relative growth rate and its components following a change in irradiance },
    JOURNAL = { Plant, Cell and Environment },
    YEAR = { 2000 },
    VOLUME = { 23 },
    PAGES = { 1207-1216 },
    NUMBER = { 11 },
    NOTE = { 01407791 (ISSN) Cited By (since 1996): 17 Export Date: 26 April 2007 Source: Scopus CODEN: PLCED doi: 10.1046/j.1365-3040.2000.00635.x Language of Original Document: English Correspondence Address: Shipley, B.; Departement de Biologie; Universite de Sherbrooke Sherbrooke, Que. J1K 2R1, Canada; email: bshipley@courrier.usherb.ca References: Abrams, M.D., Kubiske, M.E., Leaf structural characteristics of 31 hardwood and conifer tree species in central Wisconsin: Influence of light regime and shade-tolerance rank (1990) Forest Ecology Management, 31, pp. 245-253; Crick, J.C., Grime, J.P., Morphological plasticity and mineral nutrient capture in two herbaceous species of contrasted ecology (1987) New Phytologist, 107, pp. 403-414; Evans, G.C., (1972) The Quantitative Analysis of Plant Growth, , University of California Press. Berkeley, CA; Garnier, E., Growth analysis of congeneric annual and perennial grass species (1992) Journal of Ecology, 80, pp. 665-675; Garnier, E., Interspecific variation in plasticity of grasses in response to nitrogen supply (1998), pp. 155-182. , Population Biology of Grasses. (ed. G. P. Cheplick). Cambridge University Press, New York; Grime, J.P., Hunt, R., Relative growth rate: Its range and adaptive significance in a local flora (1975) Journal of Ecology, 63, pp. 393-422; Hanson, H.C., Leaf-structure as related to environment (1917) American Journal of Botany, 4, pp. 533-560; Hunt, R., Cornelissen, J.H.C., Components of relative growth rate and their interrelationships in 59 temperate plant species (1997) The New Phytologist, 135, pp. 395-417; Konings, H., Physiological and morphological differences between plants with a high NAR or a high LAR as related to environmental conditions (1989), pp. 101-123. , Causes and Consequences of Variation in Growth Rate and Productivity of Higher Plants. (eds H. Lambers, M. L. Cambridge, H. Konings and T. L. Pons). SPB Academic Publishing, The Hague; Lambers, H., Poorter, H., Inherent variation in growth rate between higher plants: A search for physiological causes and ecological consequences (1992) Advances in Ecological Research, 23, pp. 187-261; McKenna, M.F., Shipley, B., Interacting determinants of interspecific relative growth: Empirical patterns and a theoretical explanation (1999) Ecoscience, 6, pp. 286-296; Meziane, D., Etude de la variation interspecifique de la vitesse specifique de croissance et modelisation de l'effet des attributs morphologiques, physiologiques et d'allocation de biomasse (1998) Biologie, , Universite de Sherbrooke, Sherbrooke; Meziane, D., Shipley, B., Interacting determinants of specific leaf area in 22 species of herbaceous species: Effects of irradiance and nutrient availability (1998) Plant, Cell and Environment, 22, pp. 447-459; Meziane, D., Shipley, B., Interacting components of interspecific relative growth rate: Constancy and change under differing conditions of light and nutrient supply (1999) Functional Ecology, 13, pp. 611-622; Poorter, H., Remkes, C., Leaf area ratio and net assimilation rate of 24 species differing in relative growth rate (1990) Oecologia, 83, pp. 553-559; Poorter, H., Van der Werf, A., Is inherent variation in RGR determined by LAR at low irradiance and by NAR at high irradiance? A review of herbaceous species (1998), pp. 309-336. , Inherent Variation in Plant Growth. Physiological Mechanisms and Ecological Consequences. (eds H. Lambers and M.M.I. Van Vuuren). Backhuys, Leiden; Shipley, B., Hunt, R., Regression smoothers for estimating PFDameters of growth analyses (1996) Annals of Botany, 76, pp. 569-576; Shipley, B., Peters, R.H., A test of the Tilman model of plant strategies: Relative growth rate and biomass partitioning (1990) The American Naturalist, 136, pp. 139-153; (1999) S-PLUS 2000 User's Guide, , MathSoft, Seattle, WA; Wylie, R.B., Principles of foliar organization shown by sunshade leaves from ten species of deciduous dicotyledonous trees (1951) American Journal of Botany, 38, pp. 355-361. },
    ABSTRACT = { A total of 244 plants from two species, Lythrum salicaria and Epilobium glandulosum, were grown individually in hydroponic sand culture from seed for 36 d. Until day 27 all plants experienced an irradiance of 550 ?mol m-2 s-1 PFD and on day 27 half of the plants were subjected to a neutral shade treatment in which irradiance was reduced to 100 ?mol m-2 s-1 photon fluy density (PFD). Measures of relative growth rate, net assimilation rate, specific leaf area, biomass partitioning to leaves, roots, structural tissues (i.e. stems, petioles and inflorescences) and tissue density were obtained from intensive harvests three or four times per day. The shade treatment caused an immediate decrease in relative growth rate and net assimilation rate. Within hours the specific leaf area of the shaded plants increased and leaf tissue density decreased, thus partially offsetting the decrease in relative growth rate. Biomass partitioning was not affected. },
    KEYWORDS = { Epilobium glandulosum Leaf mass ratio Leaf water content Lythrum salicaria Net assimilation rate Plasticity Relative growth rate Specific leaf area biomass allocation growth rate irradiance plasticity Epilobium glandulosum Lythrum salicaria },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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