Journal of Ecology and Rural Environment ›› 2002, Vol. 18 ›› Issue (3): 34-37.doi:
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YANG Yan-Hua, CHEN Guo-Xiang, LIU Shao-Hua, WANG Na, LÜ Chuan-Gen
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Abstract: Effects of Hg2+ on content of chlorophyll,electron transport activity of PSⅠ,PSⅡ,permeability of cell membrance,activity of POD,CAT and proline content in rice seedlings of Liangyoupeijiu and Wuyunjing No.7 varieties at the three leaf stage were studied.Results showed that with increase in concentration of Hg2+ ,the content of chlorophyll and electron transport activity of PSⅠ and PSⅡ decreased,and the activity of CAT in Liangyoupeijiu and of POD and CAT in Wuyunjing No.7 increased at first and decreased afterwards,but the activity of POD in Liangyoupeijiu increased.The resistance to Hg2+ pollution in Liangyoupeijiu is obviously stronger than that of Wuyunjing No.7.
Key words: Hg2+rice, chlorophyll content, electron transport activity of PSⅠ,PSⅡ, permeability of cell membrance, activity of POD and CAT, proline content
CLC Number:
X173
YANG Yan-Hua, CHEN Guo-Xiang, LIU Shao-Hua, WANG Na, Lü Chuan-Gen . Difference in Resistance between Liangyoupeijiu and Wuyunjing No.7 under Hg2+ Stress[J]. Journal of Ecology and Rural Environment, 2002, 18(3): 34-37.
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