1971年11月和1972年3～7月在县良种场和室内进行少量的水稻种子药剂浸种试验,按不同浓度和不同时间浸种后,水洗数次,放培养皿中,在恒温箱内保湿培养,镜检抑制效果,其结果如下:1.10%抗菌剂401:加水500倍,早稻浸种72小时,能完全抑制稻瘟病菌,浸种48小时,效果97.9%;连作晚稻种子用1000倍液浸种48小时,抑菌效果97.5%。 In November 1971 and March to July 1972, a small amount of rice seed soaking test was conducted in the county seed farm and indoor. After soaking seeds at different concentrations and different times, they were washed several times with water, incubated in a petri dish and incubated in a humidified incubator , The results are as follows: 1.10% antibacterial agent 401: add water 500 times, soaking 72 hours of early rice can completely inhibit Magnaporthe grisea soaking for 48 hours, the effect of 97.9%; even for late rice seed soaking with 1000 times 48 hours , Antibacterial effect 97.5%.