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不同药剂对"玉菇"甜瓜白粉病防治效果试验初报

Shanghai Agricultural Science and Technology(2021)

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Abstract
鉴于甜瓜生长后期白粉病发生严重,为掌握几种药剂防治甜瓜白粉病的具体效果,特以"玉菇"甜瓜为供试品种,进行相关田间试验.结果表明,施药后7 d,30%己唑?乙嘧酚ME 625倍液、20%四氟?肟菌酯EW 750倍液、21.5%氟菌?肟菌酯SC 500倍液、40%苯甲?嘧菌酯SC 312倍液、25%乙嘧酚ME 227倍液对甜瓜白粉病的校正防效分别为90.02%、85.91%、84.30%、67.32%、61.22%.同时,40%苯甲?嘧菌酯SC、20%四氟?肟菌酯EW处理的"玉菇"甜瓜果实上斑点发生率达100%,表明这两个药剂会严重影响果品的商品性.
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