四种药剂防治茶小绿叶蝉的药效
Control efficiency of four pesticides on Empoasca pirisuga and E. flavescens.
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作者单位:广西省茶叶科学研究所,桂林541004
中文关键词:药剂;假眼小绿叶蝉;小绿叶蝉;防治
英文关键词:pesticide; Empoasca pirisuga; E.flavescens; control
中文摘要:在成虫期 666.7m2 用 70%杀螟丹 50g ,58%吡虫啉—杀螟丹混剂A(1∶4)50g,22%吡虫啉—噻嗪酮混剂 (1∶4)50g ,兑水 75kg,蓬面喷雾 ,对茶小绿叶蝉类药后 7天虫口减退率达 84.5 %~ 93.5 % ,20天内维持在 91.6 %以上。 10%吡虫啉用药量偏低 ( 10g 666.7m2 )
英文摘要:In the tea garden 70% cartap sp at 50 g/666.7m2,58% imidaclopridcartap mixture wp at 50 g/666.7m2,and 22% imidaclopridapplaud mixture wp at 50 g/666.7m2 were diluted with 75 kg water and sprayed during the adult stage