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Control Effect Test of Three Non-pollution Medicaments on Sybrida fasciata Butler of Quercus mongolica

YANG Hui-na;TIAN Guo-hua;WANG Na;HU Chang-hong;AO Ri-gele;CHENG Qiu-ju;GAO Xian-ting;The Sericulture Research Institute in the City of Hulunbuir;  
[Aims] This study aims to screen out the most effective medicaments and the most economical dosage to control the pest of Sybrida fasciata Butler in Quercus mongolica. [Methods] The experiments on control of S. fasciata Butler with three non-pollution medicaments were conducted to compare the effects of different medicaments and dosage. [Results] All these three kinds of biological medicaments can control S. fasciata Butler in Q. mongolica, but the controlling effects are different from medicaments and dosage to medicaments and dosage. [Conclusions] The results indicated that control effects of avermectin 1.8% EC are faster than 8000 IU Bacillus thuringiensis and chlorbenzuron25% SC, it was the first choice for the pest occurrence of lage areas; the effects of 8000 IU B. thuringiensis were slow but very good; while the effects of chlorbenzuron 25% SC were poor.
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