INTERRELATIONSHIP BETWEEN SALT AND LIGHT STRESS ON PRIMARY PROCESSES OF PHOTOSYNTHESIS

被引:74
作者
MISHRA, SK
SUBRAHMANYAM, D
SINGHAL, GS
机构
[1] School of Life Sciences, Jawaharlal Nehru University, New Delhi
关键词
TRITICUM-AESTIVUM; LEAVES AND CHLOROPLAST; SALT STRESS; PHOTOINHIBITION; CHLOROPHYLL FLUORESCENCE;
D O I
10.1016/S0176-1617(11)80736-4
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Influence of salt stress and its interaction with light stress on primary photosynthetic processes were investigated in wheat (Triticum aestivum L. var. HD 2329). Salt stress by itself had no significant effect on electron transport activity and F(v)/F(m) ratio suggesting that the efficiency of the photochemistry of PSII is not affected. Decrease in F(m) due to salt stress may influence reduction of Q(A). Our results on fluorescence indicate that salt stress predisposes photoinhibition of plants and also reduces its ability to recover from photoinhibition.
引用
收藏
页码:92 / 96
页数:5
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