5种杀菌剂对甜瓜枯萎病菌的拮抗效果
Jiangsu Agricultural Sciences(2013)
Abstract
采用牛津杯法测定了霉灵、多菌灵、甲基硫菌灵、三唑酮、氟硅唑等5种农药对甜瓜枯萎病菌的抑菌效果。结果表明,霉灵的抑菌效果最好,半最大效应浓度(EC50)为0.128 2 g/mL,霉灵对甜瓜枯萎病防治实际应用最小抑菌药物稀释浓度(MIC)为1.25 mg/mL,实际药物稀释最小杀菌浓度(MBC)为1.43 mg/mL。建议使用霉灵防治甜瓜枯萎病的浓度为1.43 g/L(700倍液)。
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