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.

引用

页码：105 / 110

页数：6

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