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[1]ZOU Peng,WANG Jin-xin,ZHANG Qing,et al.Effects of Interactive Stress of Water and Lead on Characteristics of Photosynthesis and Water Use Efficiency of Amorpha fruticosa Seedlings[J].Research of Soil and Water Conservation,2013,20(03):146-149,154.

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Effects of Interactive Stress of Water and Lead on Characteristics of Photosynthesis and Water Use Efficiency of Amorpha fruticosa Seedlings

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 03 Page number: 146-149,154 Column: Public date: 2013-06-28

Title:: Effects of Interactive Stress of Water and Lead on Characteristics of Photosynthesis and Water Use Efficiency of Amorpha fruticosa Seedlings

Author(s):: ZOU Peng, WANG Jin-xin, ZHANG Qing, LIU Jun-feng, WU Huan; College of Natural Resources and Environment, Northwest A & F University, Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China

Keywords:: Amorpha fruticosa; interaction stress; chlorophyll content; net photosynthesis rate; water use efficiency

CLC:: Q945.78

DOI:: -

Abstract:: The theory of the changes of chlorophyll content, net photosynthesis rate and water use efficiency in annual of Amorpha fruticosa seedlings treated was explored by different levels of water (40%, 60%, 80%, and 100%) and lead (0, 1 000, 2 000, 4 000, and 6 000 mg/kg) through the pot experiment. The results showed that the change of chlorophyll content of Amorpha fruticosa seedlings had no obvious regularity under interactive stress, under lead less than 4 000 mg/kg, chlorophyll content of Amorpha fruticosa seedlings decreased in different water stress conditions, under lead more than 4 000 mg/kg, chlorophyll content of Amorpha fruticosa seedlings increased in different water stress conditions. Net photosynthesis rate of Amorpha fruticosa seedlings decreased gradually under interactive stress, under lead less than 2 000 mg/kg, net photosynthesis rate of Amorpha fruticosa seedlings increased in different water stress conditions, under lead more than 2 000 mg/kg, net photosynthesis rate of Amorpha fruticosa seedlings decreased in different water stress conditions. Water use efficiency of Amorpha fruticosa seedlings increased gradually under interactive stress, water use efficiency of Amorpha fruticosa seedlings reaches to a maximum value when relative soil water content was 40% (severe water stress).

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