摘要
药剂呋虫胺20%可湿性粉剂30g/667m2、吡·噻35%水分散粒剂20g/667m2、烯啶虫胺60%可湿性粉剂15g/667m2防治水稻褐飞虱,由试验结果表明,均具有良好的防治效果,药后7d防效达95%以上,持效期长达20d。其中呋虫胺、烯啶虫胺速效性好,药后3d防效达90%左右,可作为防治水稻褐飞虱药剂与目前常用药剂吡蚜酮进行交替使用。
Dinotefuran 20% WP 30g/667m2, Imidacloprid -Buprofezin 35% WG 20g/667mz and Nitenpyram 60% WP 15g/667m2 were used to control Rice Brown Planthopper. The Results showed that the three pesticides hadexcellent controleffects. 7 daysafter spraying, thecontrol ef- fectsreachedover 95% with persistent period of more than 20 days. Among them, Dinotefuran and Nitenpyram gavequicker effects, theefficiency reachedover 90% after 3 days. So they can be used to control Rice Brown Planthopperin alternation with common pesticide pymetrozine.
出处
《农药科学与管理》
CAS
2014年第4期67-68,共2页
Pesticide Science and Administration
关键词
药剂
褐飞虱
药效
Pesticide
Brown Planthopper
Control Effect
