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选择 4种药剂对玉米大斑病进行防治试验 ,结果以百菌清药效为最好 ,代森锌次之 ,多菌灵和垦原多霉威与对照差异不显著
Four kinds of medicaments were selected to control corn leaf spot disease. The results showed that chlorothalonil was the best, followed by dexamethasone, carbendazim and Kenyuan mildew were not significantly different from the control