2005•Tianran chanwu yanjiu yu kaifaRequires access

Synergism and Protection of Neem Oil on Azadirachtin

Zhixiang Zhang

Abstract

Azadirachtin mixing with neem oil possessed synergism.CTC were 150 17 and 226 87 when the 3 rd larvae of Spodoptera litura were treated with azadirachtin+neem seed petroleum ether extract or neem oil 1∶10(m/m)for 72 h.Neem oil could protect azadirachtin.The protection effects of neem oil(MeOH∶neem oil=9∶1,v/v)on azadirachtinA and azadirachtinB stored at 54 ℃ for 7 d were 56 96% and 50 86%,and were 26 72% and 38 42% for 14 d.

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Key concepts: Azadirachtin, Neem oil, Spodoptera litura, Petroleum ether, Meliaceae, Toxicology, Chemistry, Azadirachta