Photosynthetica 2003, 41(4):545-549 | DOI: 10.1023/B:PHOT.0000027518.95032.c1

UV-A Irradiation Guards the Photosynthetic Apparatus Against UV-B-Induced Damage

S. Gartia1, M.K. Pradhan1, P.N. Joshi1,*, U.C. Biswal2, B. Biswal2
1 Anchal College, Padampur, Dist - Bargarh, Orissa, India
2 School of Life Sciences, Sambalpur University, Jyotivihar, Dist - Sambalpur, Orissa, India

In clusterbean leaves UV-B radiation caused a reduction in contents of chlorophylls and carotenoids and in the efficiency of photosystem 2 photochemistry. The degree of damage was reduced when UV-A accompanied the UV-B radiation. This indicates the counteracting effect of UV-A radiation against UV-B-induced impairment.

Additional key words: antheraxanthin; carotenoids; chlorophylls; clusterbean; Cyamopsis tetragonoloba; fluorescence induction; violaxanthin; xanthophylls; zeaxanthin

Published: December 1, 2003  Show citation

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Gartia, S., Pradhan, M.K., Joshi, P.N., Biswal, U.C., & Biswal, B. (2003). UV-A Irradiation Guards the Photosynthetic Apparatus Against UV-B-Induced Damage. Photosynthetica, 41(4), 545-549. doi: 10.1023/B:PHOT.0000027518.95032.c1
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