Plant responses to drought, acclimation, and stress tolerance

被引:497
作者
Yordanov, I [1 ]
Velikova, V [1 ]
Tsonev, T [1 ]
机构
[1] Bulgarian Acad Sci, Inst Plant Physiol, Sofia 1113, Bulgaria
关键词
chlorophyll; fluorescence induction; high temperature; net photosynthetic rate; photosystem; 2; ribulose-1,5-bisphosphate carboxylase/oxygenase; stomatal conductance; water stress; water use efficiency; xanthophylls;
D O I
10.1023/A:1007201411474
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
At the whole plant level, the effect of stress is usually perceived as a decrease in photosynthesis and growth. That is why this review is focused mainly on the effect of drought on photosynthesis, its injury, and mechanisms of adaptation. The analysed literature shows that plants have evolved a number of adaptive mechanisms that allow the photochemical and biochemical systems to cope with negative changes in environment, including increased water deficit. In addition, the acquisition of tolerance to drought includes both phenotypic and genotypic changes. The approaches were made to identify those metabolic steps that are most sensitive to drought. Some studies also examined the mechanisms controlling gene expression and putative regulatory pathways.
引用
收藏
页码:171 / 186
页数:16
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