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《Journal of Anhui Agricultural Sciences》 2009-04
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Effects of Environmental Temperature on Respiration Metabolism of Amygdalus mongolica Maxim.and Amygdalus pedunculata Pall.

WANG Xiao-xia et al(College of Ecology and Environment,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010010)  
[Objective] The research aimed to study the effects of environmental temperature on respiration metasbolism of Amygdalus mongolica Maxim.and Amygdalus pedunculata Pall.[Method] Metabolic heat(Rq) and respiratory rates(Rco2) of Amygdalus mongolica Maxim.and Amygdalus pedunculata Pall.were determined by CSC4100 at 10,15,20,25,30 and 35 ℃.Based on Lee.D.Hansen growth-respiration model,the substrate carbon conversion efficiency and the specific growth rates under different temperatures were calculated.Then,the adapted growth temperature scopes and the optimal growth temperatures were predicted.[Result] The results showed that the substrate carbon conversion efficiency of Amygdalus mongolica Maxim.and Amygdalus pedunculata Pall.was all a constant,was 0.55,0.57 respectively.The adapted growth temperature scope of Amygdalus mongolica Maxim.and Amygdalus pedunculata Pall.was 14-24,13-33 ℃ respectively.The optimal growth temperature of Amygdalus mongolica Maxim.and Amygdalus pedunculata Pall.was 25,24 ℃.[Conclusion] The study can provide the plant physiological basis for the introduction and cultivation of Amygdalus mongolica Maxim.and Amygdalus pedunculata Pall.in different districts,to develop and utilize reasonably the plant species resources,and provide theoretical reference for production and application in future.
【Fund】: 国家“十一五”科技支撑项目(2006BAD26B05)
【CateGory Index】: S662.9
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