草铵膦与其他除草剂互作  

The Interaction of Glufosinate Mixed with Quizalofop-methyl and MCPA

作　　者：杨逢玉[1] 倪汉文[2] 张宏军[3] 

机构地区：[1]新疆伊犁师范学院奎屯校区,新疆奎屯833200 [2]中国农业大学,北京100094 [3]农业部农药检定所,北京100026

出　　处：《农药》2008年第2期148-150,152,共4页Agrochemicals

基　　金：国家科技支撑计划(2006BAD08A09)

摘　　要：选用喹禾灵和2甲4氯分别与草铵膦混用,以稗草和反枝苋为试材,探讨这两种除草剂与草铵膦的联合作用。用剂量添加模型分析,草铵膦与喹禾灵在(53.3～3.3)∶1范围内混用对稗草有显著的增效作用,草铵膦与喹禾灵最佳配比为9.99∶1(有效用量比),增效倍数达0.45;草铵膦与喹禾灵在(26.6～3.3)∶1范围内对反枝苋表现为增效。草铵膦与2甲4氯以2∶1和1∶1比例混用时,对稗草表现为增效作用,而以1∶2和1∶4混用时,对稗草表现为拮抗作用;草铵膦和2甲4氯混用对反枝苋作用表现为加成趋势。The interaction of glufosinate mixed with quizalofop-methyl and MCPA was determined in greenhouse. According to the Additive Dosage Model, glufosinate plus quizalofop-methyl over a range of 53.3-3.3：1 ratios was significantly synergic on Echinochloa crus-galli. The best ratio was 9.99：1. The phytotoxicity at this ratio was as 1.45 times as the expected. The mixtures of the two herbicides over a range of （26.6-3.3）：1 was synergic on Amaranthus retroflexus. The interaction of glufosinate plus MCPA on E. crus-galli depended on the ratios of the two herbicides. It gave synergic effect on the weed at the ratios of 2：1 and 1：1 and antagonistic effect at the ratios of 1：2, 1：4 and 1：8. The mixture of glufosinate and MCPA trended to provide additive effect on A. retroflexus.

关 键 词：草铵膦 喹禾灵 2甲4氯 混用 

分 类 号：S482.4[农业科学—农药学]