Effect of low doses of UV-A and UV-B radiation on photosynthetic activities in Phaseolus mungo L.

被引：11
|
作者：
Jayakumar, M [1 ]
Amudha, P [1 ]
Kulandaivelu, G [1 ]
机构：
[1] Madurai Kamaraj Univ, Sch Biol Sci, Madurai 625021, Tamil Nadu, India
来源：
JOURNAL OF PLANT BIOLOGY | 2004年 / 47卷 / 02期
关键词：
chlorophyll; fluorescence induction; Phaseolus mungo; ozone depletion; UV-A radiation; UV-B radiation;
D O I：
10.1007/BF03030639
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The effect of low doses of UV-A (320-400 nm) and UV-B (280-320 nm) radiation on photosynthetic activities in Phaseolus mungo L. was investigated under field condition. Supplementation of UV-A enhanced the synthesis of chlorophyll and carotenoids than the UV-B supplemented plants. Significant increase was seen in the concentration of UV-B absorbing compounds of UV-B treated plants. Increase of PS 2 activity in UV-A treated plants was seen. Changes in photosynthetic activity were measured in terms of PS 2 mediated O-2 evolution and Chl a fluorescence.
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页码：105 / 110
页数：6
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