本发明提供的杀虫组合物一次施药，就能有效地防 治多种害虫，各组分之间具有显著的增效作用；
The desinsection composition of the invention can effectively prevent and control various insects by being applied for once, and the ingredients have remarkable synergic effect for each other;
青枯菌检出阳性和根黑色坏死的始发期可作为防治青枯病第一次和第二次施药时期。
The first two periods should be taken as the first and second application time to prevent the tobacco bacterial wilt disease respectively.
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