2%春雷霉素WP防治白菜软腐病药效试验

Efficacy of Kasugamycin 2% WP against Chinese Cabbage Soft Rot

试验结果表明,2%春雷霉素WP对白菜软腐病具有良好的防治效果。室内离体活性EC50值为27.13mg/L,在50、40、30mg/L处理剂量下,对白菜软腐病的平均防效为84.33%、79.31%、67.90%,对作物安全。

Kasugamycin 2% WP has relatively high efficacy against Chinese cabbage soft rot, with an EC50 of 27.13 mg/L in laboratory studies for toxicity, and control efficacies of 84.37%, 79.31% and 67.90% at 50, 40 and 30 mg/L in field experiment. No crop injury was observed.