水稻纹枯防治药剂筛选研究

Drug Screening on Prevention and Control of Rice Sheath Blight

[目的]筛选防治水稻纹枯病的药剂.[方法]采用江苏市场上常见的几种药剂,于水稻纹枯病始盛期和发病高峰期各用药一次.[结果]40％嘧菌酯WP 150和225 g/hm2对水稻纹枯病均有较好的防治效果.建议用量为150、225 g/hm2左右,在水稻纹枯病发病初期使用,连用2～3次.[结论]40％嘧菌酯WP 150、225 g/hm2为防治水稻纹枯病较理想的药剂.

[Objective] The aim was to study drug screening on prevention and control of rice sheath blight.[Method] Using several common reagents in Jiangsu market,the drug was sprayed at a time on peak and the onset stage of rice sheath blight.[Result] Its bacteria ester 40％WP 150 and 225 g/hm2 had better control effect on rice sheath blight,and recommended dosage was about 150,225 g/hm2,using at the beginning of rice sheath blight disease,amuse 2-3 times.[Conclusion] Its bacteria ester 40％ WP 150 and 225 g/hm2 had better control effect on rice sheath blight.