Effect of Radiation Quality on Growth and Photosynthesis of Acacia mangium Seedlings

Institute of Experimental Botany - Tập 41 - Trang 349-355 - 2003
Hua Yu1, Bee-Lian Ong2
1International Institute for Earth System Science (ESSI), Nanjing University, Nanjing, People’s Republic of China
2Department of Biological Sciences, National University of Singapore, Singapore, Republic of Singapore

Tóm tắt

Radiation quality was an important environmental cue to stimulate seed germination in Acacia mangium. The photo-synthetic CO2 assimilation rate, dark respiration rate, total biomass, and relative growth rate of seedlings grown under monochromatic radiation were significantly lower than those of seedlings grown under full spectrum radiation. Blue and red radiation induced shade-avoidance and shade-tolerant responses of A. mangium seedlings, respectively.

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