20种药剂对蔬菜主要害虫的防效比较  

Effect Contrast of 20Pesticides again Main Insect Pests on Vegetables

作　　者：王建新 张圭松 洪文英[2] 张雅[2] 黄怡弘[2] 刘银泉[3] 施祖华[3] 张光美 

机构地区：[1]浙江省植物保护总站 [2]杭州市蔬菜研究所,310004 [3]浙江大学植保系,310029

出　　处：《长江蔬菜》2002年第C00期24-27,共4页Journal of Changjiang Vegetables

摘　　要：依据甜菜夜蛾年发生代数较少,主要依靠幼虫的突发性暴食引发灾害,防治时应选能杀灭当代幼虫的高效农药,盛期用抑太保、米满;盛末期用乐斯本、凯撒、灭多威等农药;小菜蛾年发生代数较多,主要依靠幼虫数量的突发性高涨引发灾害,防治时应选能抑制幼虫的数量增长的持效农药,初期用阿维菌素、BT;盛期用乐斯本等农药。Because spodoptera exigua Hubner occurred less generations a year and damaged seriously by its larva outbreak,it was controlled by spraying high effective pesticides,namely chlorfluazuron or tebufenozide during peak of larvae and chlorpyrifos,tralomethrin or methomyl during84%larvae occur -ring.Because plutella xylostella(L.)occurred more generations a year and damaged seriously by suddenly in creasing the number of larvae,it was controlled by spraying persistent pesticides,namely abamectin or Bt dur ing16%larvae occurring and chlorpyrifos during peak of larvae.

关 键 词：甜菜夜蛾 小菜蛾 为害习性 杀虫剂 蔬菜害虫 药效试验 

分 类 号：S436.3[农业科学—农业昆虫与害虫防治] S482.3[农业科学—植物保护]