药剂试验结果表明，在小麦抽穗扬花期，每亩用粉锈宁有效成分８－１０ｇ，多菌灵有效成分５０－７５ｇ，对以根腐叶枯为主的叶枯病防治效果分别在６３．９％和５５．５％以上，增产１２．２％和９．３％以上。若气候条件有利于叶枯病发生，应于小麦灌浆初期和中期防治两次为宜。上述两种药剂混用还能兼治白粉病、锈病和赤霉病。 Pharmacy test results show that in the heading and flowering of wheat, per acre with triadimefon effective component 8-10g, carbendazim active ingredient 50-75g, to leaf blight-based leaf blight control effect were 63.9% And 55.5%, an increase of 12.2% and 9.3%. If the climatic conditions conducive to the occurrence of leaf blight, should be early and middle wheat filling prevention and control two times is appropriate. Mixture of the two agents can also cure powdery mildew, rust and scab.