针对生产中大面积推广种植的烤烟品种KRK26青枯病发生普遍严重和防效差的问题，选用7种常用杀菌剂进行田间药效试验。结果表明，72%农用链霉素SP 4000倍液+58%甲霜·锰锌WP 1000倍液，于移栽当天、发病初期及其后10 d施药，共施3次药对烤烟品种KRK26青枯病的防治效果最好。%Seven kinds of common bactericides were conducted in field test to the question of the seriousness and the bad control effect of the widespread tobacco wilt in the production of large-area planting flue-cured tobacco. The re-sults showed that the control effect for the flue-cured tobacco KRK26 tobacco wilt was the best applying with 72% a-gricultural streptomycin SP 4 000 times+ 58% metalaxyl, mancozeb WP 1 000 at the day of transplanting, in the early stages and 10 days later, a total of 3 times.
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