首页|期刊导航|中国农业科学(英文版)|Activity of Acetolactate Synthase from Maize (Zea mays L. ) as Influenced by Chlorsulfuron and Tribenuron-methyl
中国农业科学(英文版)2003，Vol.2Issue(2)：176-182,7.
Activity of Acetolactate Synthase from Maize (Zea mays L. ) as Influenced by Chlorsulfuron and Tribenuron-methyl
Activity of Acetolactate Synthase from Maize (Zea mays L. ) as Influenced by Chlorsulfuron and Tribenuron-methyl
摘要
Abstract
Study on relative sensitivity of maize (Zea mays L. ) Nongda108 and Nongda3138 to sulfonylurea herbicide chlorsulfuron and tribenuron-methyl using maize taproot length by sand bioassy indicated that, Nongda3138 had higher tolerance to chlorsulfuron and tribenuron-methyl than Nongda108 did. Chlorsulfuron had stronger growth inhibition to maize Nongda108 and Nongda3138 than tribenuron-methyl did. Study on target enzyme of sulfonylurea herbicide acetolactate synthase (ALS) showed that, chlorsulfuron and tribenuron-methyl inhibited ALS in vitro strongly, and non-competitively. In the same concentration of inhibitors,chlorsuifuron had stronger ALS activity inhibition than tribenuron-methyl did. Lower level of chlorsulfuron and tribenuron-methyl has no ALS activity inhibition in vivo, the ALS inhibition only occurred in the condition of high concentration of chlorsulfuron and tribenuron-methyl in vivo.关键词
Chlorsulfuron/Tribenuron-methyl/Acetolactate synthase (ALS)/Maize (Zea mays L. )Key words
Chlorsulfuron/Tribenuron-methyl/Acetolactate synthase (ALS)/Maize (Zea mays L. )分类
农业科技引用本文复制引用
FAN Zhi-jin,CHEN Jun-peng ,HU Ji-ye,QIAN Chuan-fan,LI Zheng-ming..Activity of Acetolactate Synthase from Maize (Zea mays L. ) as Influenced by Chlorsulfuron and Tribenuron-methyl[J].中国农业科学(英文版),2003,2(2):176-182,7.基金项目
This study was supported by the National Natural Science Foundation of China (20107003, 29832050),Visiting Scholar Foundation of Key Laboratory in University and Foundation of Key Laboratory of Pesticide Chemistry and Application Technology of Ministry of （20107003, 29832050）
