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1983年庆阳地区冬小麦条锈病发生严重,我们首次用西德进口的25％可湿粉剂“粉锈宁”在庆阳县董志公社南庙大队冬小麦地进行防治试验示范,取得了很好的效果。试验结果:亩施药35克,普遍率由防前76.6％降为20％,严重度由18.1％降为2.7％,病情指数由13.9％降为0.54％,保产效果18.7％。社员强宏俭的6亩晋农3号冬麦,普遍率由防前的100％降为28％,严重度由85.6％降为5％,病情指数由85.6％降为1.4％,保产效果9％。白俊义的5亩庆丰一号冬麦,普遍率由防前的100％降为29.5％,严重度由79.8％降为7.2％,病情
In 1983, the stripe rust of winter wheat in Qingyang was serious. For the first time, we used the 25% wettable powder “Fenfenin” imported from West Germany to test and control winter wheat in Nanmiao Brigade of Dongzhi Commune in Qingyang County and achieved good results. Test results: 35 grams of pesticide application, the prevalence rate from 76.6% before prevention dropped to 20%, the severity dropped from 18.1% to 2.7%, the disease index from 13.9% to 0.54%, the effect of 18.7%. Members of strong macro thrifty 6 acres of Jinnong 3 winter wheat, the prevalence rate from pre-100% to 28%, the severity decreased from 85.6% to 5%, the disease index dropped from 85.6% to 1.4%, the yield effect 9%. Bai Junyi 5 acres Qingfeng No. 1 winter wheat, the prevalence rate from pre-100% to 29.5%, the severity dropped from 79.8% to 7.2%, the disease