80;大生M-45可湿性粉剂防治葡萄霜霉病药效研究初报

张炳坤;仝莉;丁冬生;郭文超;王钊英

Preliminary Report of Medicinal Effects on Prevention and Cure of Downy Mildew of Grape by 80; Dasheng M-45 Wettability Powder

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