关键词: 中生菌素, 番茄青枯病, 防效

Abstract: The application of 3 % Zhongshengmycin WP to prevent tomato bacterial wilt was performed for bacteria-restrained in lab and field test of the control effect.The results indicated,the medicament have obvious effect on tomato bacterial wilt for EC₅₀ of 0.22 mg·L^-1.30 days after the third time pesticide application,3 % Zhongshengmycin WP of 600 times solution had achieved extremely significantly effect compared with the check chemicals with control effect came to 83.27 %.The investigation results for yield showed,the yield of 3 % Zhongshengmycin WP of 600 times solution increased 22.575 t·hm^-2 compared with the CK,and the rate of yield-guaranteed reached 89.85 %.