Article
Genotypic variation in physiological and growth responses of Populus tremuloides to elevated atmospheric CO2 concentration.
Tree physiology - 1 Sept 2000
Wang X, Curtis P S, Pregitzer K S, Zak D R
Abstract excerpt
Physiological and biomass responses of six genotypes of Populus tremuloides Michx., grown in ambient t (357 micromol mol(-1)) or twice ambient (707 micromol mol(-1)) CO2 concentration ([CO2]) and in low-N or high-N soils, were studied in 1995 and 1996 in northern Lower Michigan, USA. There was a significant CO2 x genotype interaction in photosynthetic responses. Net CO2 assimilation (A) was significantly enhanced...
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