臭氧浓度升高对毛竹叶片光合色素和抗性生理的影响

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Abstract

In order to explore the management strategies of bamboo under the context of climate change,the effects of elevated ozone concentrations on photosynthetic pigments content,soluble protein content,lipid peroxidation and anti-oxidation system in the leaves of Phyllostachys edulis grown in open-top chambers(OTCs) were investigated.The results showed that with the ozone concentration increasing,the contents of the chlorophyll,carotenoid,and SOD activity decreased;while the contents of soluble protein,MDA,O₂^- and POD activity increased.Elevated ozone concentrations at 100 and 150 nl·L^-1 significantly decreased the photosynthetic pigments content and SOD activity;while increased soluble protein content,MDA content,O₂^- content and POD activity.The results suggested that the elongated ozone exposure inhibited the growth of P.edulis by restraining the synthesis or speeding the degradation of photosynthetic pigments,accelerating the aging of leaves,intensifying the damage to membrane lipid,and destroying the structure of cell membrane and the function of anti-oxidation system.

Key words： Phyllostachys edulis ozone photosynthetic pigment soluble protein antioxidant system

Received: 25 December 2011

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	Articles by authors
	ZHUANG Ming-hao
	LI Ying-chun
	GUO Zi-wu
	YANG Qing-ping
	CHEN Shuang-lin
	LI Ying
	GU Li-jian

Cite this article:

ZHUANG Ming-hao,LI Ying-chun,GUO Zi-wu, et al. Effects of elevated ozone concentration on photosynthetic pigment and resistance physiology in leaves of Phyllostachys edulis[J]. , 2011, 30(6): 607-612.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2011/V30/I6/607

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