OCCURRENCE OF PARAQUAT-RESISTANT ERIGERON CANADENSIS BIOTYPES IN KOREA AND ROLE OF PROTECTIVE ENZYMES IN RESISTANCE

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外文摘要：Seeds of E。 canadensis were collected from 51 locations in orchards and non-cropping areas throughout Korea。 Resistance of biotypes Kumsung and Jookyo were 53。2 to 37。1% higher that that of biotype Joongyang。 Activities of superoxide dismutase， peroxidase， and catalase were higher in biotype Kumsung than in biotype Joongyang。 Content of reduced ascorbic acid was higher in biotype Kumsung， but that of reduced glutathione was higher in biotype Joongyang。 Therefore， one of paraquat-resistant mechanism may be due to protective enzymes such as superoxide dismutase， peroxidase， and catalase as well as contents of ascorbic acid and glutathione。

外文关键词：

catalaseerigeron canadensisparaquatperoxidaseresistancesuperoxide dismutase

作者：

J. Y. Pyon、R. Z. Piao、S. W. Roh、S. R. Shin、S. S. Kwak

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作者单位：

Department of Agronomy, Chungnam National University, Taejon 305-764, Korea

会议名称：

The 18th Asian-Pacific Weed Science Society Conference

会议地点：

Beijing(CN);Beijing(CN)

会议母体文献：

18th Asian-Pacific Weed Science Society Conference May 28-Jun 2, 2001 Beijing, P.R. China

页码：

p.494-499

出版时间：

2001