小麦条锈病是苏北地区小麦主要病害之一,暴发急,流行快,一旦防治失着,就会造成严重减产。过去使用敌锈钠防治,效果较差。1983年起,我们开始用粉锈宁防治小麦条锈病,大田示范和小区试验的防治效果都达97.3～100.0％,而且残效期长,用药20天后防效仍达92.7～100.0％,与常规农药敌锈钠相比,用药后10、15、20天的防治效果分别提高49.7％、47.6％、30.7％,表明粉 Stripe rust of wheat is one of the major diseases of wheat in North Jiangsu. The outbreak is urgent and the epidemic is fast. Once the control is out of control, it will cause serious yield reduction. The past use of sodium rust control, the effect is poor. Since 1983, we started to control wheat stripe rust with triadimefon. The control efficacy of field trials and plots trials reached 97.3-100.0%. Moreover, the long-term residual effect was 92.7-100.0% after 20 days of treatment. Compared with conventional pesticide rust Compared with sodium, the control effects at 10, 15 and 20 days after treatment increased by 49.7%, 47.6% and 30.7% respectively, indicating that the powder