By: Wang Jianxin; Zhang Guisong; Hong Wenying;
Zhang Ya; Huang Yihong; Liu Yinquan; Shi Zhuhua; Zhang Guangmei;
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 during1
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 during1
Yangzhou pioneer chemical CO.,LTD.
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