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6种杀菌剂对苹果蝇粪病菌室内毒力测定

Journal of Hebei North University(Natural Science Edition)(2017)

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Abstract
目的 寻找防治苹果蝇粪病的新型低毒高效杀菌剂.方法 选择4种三唑类和2种甲氧基丙烯酸酯类杀菌剂,运用菌丝生长速率法,对苹果蝇粪病菌进行了室内毒力测定.结果 氟硅唑EC50为0.320 0 μg·mL-1,抑菌效果最好;其次是硝苯菌酯、抑霉唑和苯醚甲环唑,EC50分别为0.410 0 μg·mL-1、0.620 0 μg·mL-1和0.800 0 μg·mL-1,再次是四氟咪唑,EC50为6.250 0 μg·mL-1;吡唑醚菌酯抑菌效果最差,EC50为15.000 0 μg·mL-1.结论 推荐用氟硅唑、硝苯菌酯、抑霉唑和苯醚甲环唑防治苹果蝇粪病.
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