20%烯肟菌胺·戊唑醇悬浮剂防治苹果病害试验

Field Trials of Fenaminstrobin and Tebuconazole 20% SC Against Diseases on Apple

通过田间试验评价20%烯肟菌胺·戊唑醇对苹果病害的综合治理能力。20%烯肟菌胺·戊唑醇悬浮剂对苹果斑点落叶病有很好的防治效果,优于生产常规使用的50%异菌脲可湿性粉剂、12.5%腈菌唑乳油及50%多菌灵可湿性粉剂。处理剂量100～200 g a.i./hm^2。对苹果白粉病的防治效果达到90%以上,优于同类进口药剂25%嘧菌酯悬浮剂、50%醚菌酯干悬浮剂、15%三唑酮可湿性粉剂。对采收期和贮藏期苹果轮纹病的防治效果优于50%醚菌酯干悬浮剂、多菌灵、代森锰锌推荐剂量。对苹果树主要病害具有很好的综合控制能力。

Through the field test evaluation of fenaminstrobin and tebuconazole 20% SC, comprehensive management capacity of apple diseases. Fenaminstrobin and tebuconazole 20% SC had excellent control effect on apple leaf spot,50% iprodione production is better than that of the routine use of WP and 12.5% myclobutanil and 50% carbendazim wp. The treatment dose ranged from 100 to 200g a.i./hm2. The control effect of apple powdery mildew was over 90% ,which was better than that of similar imported drugs. 25% ,50% ,three, 15%, triadimefon,acetone ,dry suspension ,and other wettable powder. The recommended dose of harvest period and storage period of the apple rot prevention effect is better than that of 50% kresoxim dry suspension, carbendazim, mancozeb. It has good comprehensive control ability for the major diseases of apple trees.