What pesticide is effective for controlling Rhizopus and leaf rot of lettuce?

After transplanting, 72% streptomycin SP 3000 times solution was used to irrigate roots 1 ~ 2 times, and the disease prevention effect was 60 ~ 70%.

600 times of thiabendazole (chlorothalonil) and 20% WP (Wenzhou Lucheng Plant Protection Chemical Company) solution were used for root irrigation, and the effect was good.

Using 600 times solution (20%SC) of Mycobacterium bronchisepticum (Zhejiang Longwan Chemical Co., Ltd.), root irrigation, irrigation and rough spraying, the control effect can reach about 75%.

Biological control agent:

Candida (Paecilomyces polymyxa) (0. 1 100 million CFU/ g granular adsorbent) (Shanghai Yuan Ze Marine Biotechnology Co., Ltd.);

Wei Qing powder (Pseudomonas fluorescens) (300 billion tablets/g powder) (Jiangsu Changzhou Lanling Pharmaceutical Co., Ltd.).