文档介绍：第5l卷第7期湖北农业科学 2012年4月Hubei Agricultural Sciences Apr.,2012 %吡嘧磺隆·二***喹啉酸WP防除移栽稻田杂草效果朱文达1,张宏军2,汪品三3,王晶1,熊焱2 (,武汉430064;,北京 100026;,湖北黄冈438000) 摘要:%吡嘧磺隆·二***喹啉酸(以下简称吡嘧·二***)WP对移栽稻田主要杂草的控制效果、对水稻产量的影响以及杂草氮、磷、钾和水分含量的变化规律。结果表明,%吡嘧·二***WP时移栽稻田的主要杂草具有良好的防治效果,有效成分用量为145~445 g/%吡嘧·二***%%、%%.显著优于对照单剂10%吡嘧磺隆WP和 50%二***喹啉酸WP。%吡嘧·二***WP后,水稻产量显著高于对照药荆处理区的产量。关键词:吡嘧·二***;杂草防效;养分;水分;产量中图分类号: 文献标识码:A 文章编号:0439—811412012)07—1344—04 Effects %Wettable Powder Mixed with Pyrazosulfuron and Quinclorac for Control ofWeeds inTransplanted Rice Fields ZHU Wen-daa,ZHANG Hong-jun2,WANG Pin-san3,WANG JingI,XIONG Yanz ( ofAgricultural Sciences。Wuhan 430064,China; ofthe Control the Agrichemicals,Ministry Agriculture,Beijing 100026,China; Agricultural Bureau Huanggang City,Huanggang 438000,Hubei,China) Abstract:ne weed %pyrazosulfuron+quinclorac WP and effects on weed control,crop yield,黯well aft,the ety discipline ofthe absorption ofnitrogen,phosphorus,kalium and moisture intransplanted ricefields were re- suitsshowed %pyrazosulfumn+quinclorac WP had good conLrol effectagainst themain weeds inbroadcasted rice overall densi哆control effectsand fresh control effects were %~%,%~100%,significantly higher than thato