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应用中国农科院最新研制的农用抗生素中生菌素研究了其对水稻白叶枯病的防治效果和应用技术。室内浸种试验表明,用中生菌素100mg/kg、在水温58℃下浸稻种48h,可全部杀死种子表面及内部的白叶枯病菌,切断了种子带菌传病的途径。田间试验表明,用中生菌素50mg/kg、水温55～60℃的药液浸种48h,再于秧苗3～4叶期和移栽前5～7d用中生菌素15mg/kg施药保护,田间白叶枯病可迟发生20d以上,其发病程度亦显著降低,对于轻病田或轻发生年份大田可免于防治;重病田或重发生年份于发病初期再用中生菌素15mg/kg防治1次,即可控制病情的发展。作者认为用中生菌素浸种及秧田期施药保护不仅改变了以往田间发病初期用药防治的策略,而且大大降低了防治费用,经济效益、社会效益及生态效益显著。
The latest research and development of agronomycin in Chinese Academy of Agricultural Sciences was applied to study its control effect on bacterial leaf blight and its application technology. Indoor immersion test showed that the use of cyclophilin 100mg / kg, at a water temperature of 58 ℃ soaked rice 48h, can kill all the bacteria on the surface and internal bacterial leaf blight, cut off the pathways of seed carrying bacteria. Field experiments showed that with 50mg / kg mesotrione, water temperature 55 ~ 60 ℃ liquid soaking 48h, and then in the seedlings 3 to 4 leaf stage and 5 ~ 7d before transplanting with antibiotic 15mg / kg pesticide protection , Bacterial leaf blight in the field could occur more than 20 days later and its incidence was also significantly reduced, which could be avoided for the control of light field or mild field. Field of severe disease or re-occurrence in the early stages of re-use of antibiotics 15mg / kg control 1 times, you can control the development of the disease. The authors believe that soaking the mycotoxins and applying seedling protection during the field will not only change the strategy of prevention and treatment in the early stage of disease but also greatly reduce the cost of prevention and treatment, with significant economic, social and ecological benefits.