几种药剂对烟草白粉病田间防效初探

Acta Agriculturae Jiangxi(2009)

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Abstract
进行了几种药剂对烟草白粉病的田间防效对比试验,结果表明:50%翠贝2500倍的防效最好,3次用药后的防效分别为59.27%、67.15%、84.29%;其次为10%世高1500倍,3次用药后的防效分别为37.75%、56.42%、73.71%;当前农民常用药剂甲基托布津1000倍的防效只有31.76%~42.93%;3种药剂药后都没有发生药害。
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Key words
Tobacco,Powdery mildew,Fungicide,Control effect
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