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从土壤中分离得到的 4种拮抗真菌( Trichoderma koningii、 T.pseudokonin-gii、T.harzianum和Gliocladium spp.)分别用紫外光诱变,得到抗氧氯化铜、扑海因和多菌灵的变异菌株。这些变异菌株对西瓜枯萎病菌(Fusarium oxysporum f.sp.melonis)和生菜菌核病菌(Sclerotinia minor)仍有较强的拮抗性。
The four antagonistic fungi isolated from soil (Trichoderma koningii, T. pseudokonin-gii, T. harzianum and Gliocladium spp.) Were mutagenized by UV light respectively to obtain anti-copper oxychloride, puerarin and carbendazim Mutant strains. These mutant strains still have strong antagonism against Fusarium oxysporum f. Sp. Melonis and Sclerotinia minor.