Influence of La on Light Oxidation of Soybean Seedling under Ultraviolet-B Stress

Influence of La on Light Oxidation of Soybean Seedling under Ultraviolet-B Stress

Online:2007-08-10 Published:2007-08-10

Abstract

Abstract: The influence of Lanthanum (La) on light oxidation of soybean (Glycine max) seedling under elevated ultraviolet-B radiation (UV-B: 0.15Wm-2, 0.45Wm-2) was studied. The accumulation of O-2, H2O2, the changes of activity of AsA-POD and the effects of chlorophyll degradation caused by light oxidation. It was concluded that La could reduce the content of O-2 and H2O2 in the soybean seedling and increase the activity of AsA-POD. Therefore, La alleviated the chlorophyll degradation and the damage of soybean seedling caused by light oxidation.

Key words: Lanthanum (La), Lanthanum (La), Ultraviolet-B radiation, Soybean seedling, Effect of light oxidation

PENG Qian1, ZHOU Qing1, YE Ya-xin1,2, Lü Dong-yue1(1. Key Laboratory of Industrial Biotechnology, Ministry of Education, Southern Yangtze University, Wuxi 214222, China; 2. Department of Biology, Suzhou Science and Technology College). Influence of La on Light Oxidation of Soybean Seedling under Ultraviolet-B Stress[J]. Chinese Journal of Agrometeorology.

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[2]	REN Xiao-xiao,ZHOU Qing(Key Laboratory of Industrial Biotechnology,Ministry of Education,Jiangnan University/Environment and Civil Engineering,Jiangnan University,Wuxi 214122,China). Effects of Cerium(Ⅲ) on Nitrogen and Phosphor Absorption in Soybean Seedling under Supplemental UV-B Radiation Stress [J]. Chinese Journal of Agrometeorology, 2008, 29(04): 411-413.
[3]	PENG Qian1,ZHOU Qing1,YE Ya-xin1,2(1.Key Laboratory of Industrial Biotechnology of the Ministry of Education,Southern Yangtze University,Wuxi 214222,China;2.Department of Biology,College of Science and Technology of Suzhou). Influence of La and Ultraviolet-B Stress on Chloroplast Ultrastructure of Soybean Leaves [J]. Chinese Journal of Agrometeorology, 2008, 29(01): 33-36.
[4]	PENG Qian1,ZHOU Qing1,2 (1.Laboratory of Environmental Science,School of Biotechnology, Southern Yangtze University,Wuxi 214036,China;2.Key Laboratory of Industrial Biotechnology,Ministry of Education,Southern Yangtze University). Effects of La on Leaf Chlorophyll Biosynthesis and Degradation of Soybean(Glycine max) under Ultraviolet-B Stress [J]. Chinese Journal of Agrometeorology, 2007, 28(03): 285-288.
[5]	LV Dong-yue~(1),XIAO Rong-rong~(1),ZHOU Qing~(1,2),ZHANG Guang-sheng~(1)(1.College of Biological Engineering,Southern Yangtze University,Wuxi 214036,China;2.Key Laboratory of Industrial Biotechnology of Ministry of Education,Southern Yangtze University). Effects of La on Leaf Chlorophyll Content of Soybean(Glycine max) Seedling Under Ultraviolet-B Stress [J]. Chinese Journal of Agrometeorology, 2006, 27(04): 289-292.

Influence of La on Light Oxidation of Soybean Seedling under Ultraviolet-B Stress

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