Advances in research on compensation effects of crops under drought stress
LIU Zhanpeng1,CHU Linlin2
1. Nanjing Jiangdi Advisory Services Limited Liability Company for Land Development, Nanjing, Jiangsu 210024, China; 2.College of water conservancy and Hydropower Engineering, Hohai Vniversity, Nanjing, Jiangsu 210098, China
Abstract：Drought is one of the common environmental stresses in crop growth environment. After a certain range of drought stress, in a short-term rewatering, a positive effect of compensation or over compensation effect can be prouduced by crops in physiological and biochemical metabolism and growth to make up the damage and loss caused by drought during the drought. Compensation effect is an important regulation mechanism for crops to resist a stress, but also is the main physiological basis for crops to control water content effectively and to realize the water saving and high efficiency agriculture. The growth compensation, physological and biochemical compensations, metabolism and yeild compensations and their inflencing factors are reviewd in the paper. On the basis, three research issues are put forward for the future, i.e. compensation mechanism agronomy and physiological index in drought stress and rewatering, compensation and feedback mechanism of photosynthesis, and benefit evaluation of compensation effect after water stress. The paper has important theoretical and practical significance for improving and enriching the theory of biological water saving, guiding the management of agricultural efficient water use, developing water-saving irrigation and providing crop water productivity.
刘展鹏, 褚琳琳. 作物干旱胁迫补偿效应研究进展[J]. 排灌机械工程学报, 2016, 34(9): 804-808.
LIU Zhanpeng,CHU Linlin. Advances in research on compensation effects of crops under drought stress. Journal of Drainage and Irrigation Machinery Engin, 2016, 34(9): 804-808.
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