渍水对小麦扬麦5号旗叶和根系衰老的影响

应用生态学报 ›› 2002, Vol. ›› Issue (11): 1519-1521.

• 研究论文 • 上一篇

渍水对小麦扬麦5号旗叶和根系衰老的影响

姜东¹, 陶勤南², 张国平²

1. 南京农业大学农业部作物生长调控重点开放实验室, 南京, 210095;
2. 浙江大学, 杭州, 310029

收稿日期:2000-01-21 修回日期:2000-06-30
通讯作者: 姜东,男,1970年生,博士,副教授,主要从事作物栽培生理方面的研究,发表论文20余篇.E-mail:jiangd@njau.edu.cn
基金资助:
国家自然科学基金资助项目(30170544)

JIANG Dong¹, TAO Qinnan², ZHANG Guoping ²

1. Key Laboratory of Crop Growth Regulation, Ministry of Agriculture, Nanjing Agricultural University Nanjing 210095;
2. Zhejiang University, Hangzhou 310029

Received:2000-01-21 Revised:2000-06-30

摘要/Abstract

关键词: 生物标志物, 分子水平, 减少降雨, 土壤有机质

Abstract: In the pot culture experiment, winter wheat (Triticum aestivum L.) c.v. Yanmai 5 was selected to study the effect of long term water logging, which was conducted from jointing stage to 20 days after anthesis, on grain weight and membrane lipid peroxidation,and on enzyme activities involving membrane lipid peroxide elimination of wheat leaf and root. The content of MDA (malondialdehyde), the product of membrane lipid peroxidation in flag leaf and root under waterlogging increased significantly, while the activities of SOD (super oxide dismutase) and CAT (catalase), two key enzymes involving in membrane lipid peroxide elimination decreased severely. Thereafter, the wheat flag leaf and root under waterlogging senesced much earlier than those under control. Therefore, the grain filling rate of wheat grown under water logging condition decreased significantly, and subsequently, its grain weight decreased obviously.

Key words: precipitation reduction, molecular level, biomarker, soil organic matter

中图分类号:

S512.01

姜东, 陶勤南, 张国平. 渍水对小麦扬麦5号旗叶和根系衰老的影响[J]. 应用生态学报, 2002, (11): 1519-1521.

JIANG Dong, TAO Qinnan, ZHANG Guoping . [J]. Chinese Journal of Applied Ecology, 2002, (11): 1519-1521.

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