几种杀菌剂对苹果斑点落叶病和褐斑病的防效  

Controlling Effects of Several Fungicides Against Apple Alternaria Blotch and Brown Spot

作　　者：李广旭[1] 杨华[1] 戴启东[1] 张广仁[1] 赵雨萌 LI Guang-xu;YANG Hua;DAI Qi-dong;ZHANG Guang-ren;ZHAO Yu-meng(Liaoning Institute of Pomology,Xiongyue Liaoning 115009,China)

机构地区：[1]辽宁省果树科学研究所,辽宁熊岳115009

出　　处：《北方果树》2023年第6期11-13,共3页Northern Fruits

摘　　要：该试验以‘嘎拉’苹果为试材,开展几种杀菌剂对苹果斑点落叶病和褐斑病的防效试验。结果表明,67%唑醚·丙森锌SC 1000倍和1500倍液处理对苹果斑点落叶病的防效分别为89.46%和85.22%,对褐斑病的防效为96.50%和92.55%;25%吡唑醚菌酯SC 2000倍+43%戊唑醇SC 4000倍和25%吡唑醚菌酯SC 1500倍+43%戊唑醇SC 3000倍液处理对斑点落叶病的防效为81.07%和91.38%,对褐斑病的防效为84.97%和90.48%。均优于对照药剂百泰。试验说明67%唑醚·丙森锌SC,以及25%吡唑醚菌酯SC和富力库组合对苹果斑点落叶病和褐斑病具有良好的防治效果。In this experiment,the control efficiency of several fungicides against apple alternaria blotch and brown spot were conducted on apple cultivar‘Gala’.The results showed that the control efficiency of 1000-fold and 1500-fold 67%pyraclostrobin-antracol SC against apple alternaria blotch and brown spot were 89.46%,85.22%,96.50%and 92.55%respectively;The control efficiency of two treatments,2000-fold 25%pyraclostrobin SC with 4000-fold 43%tebuconazole SC and 1500-fold 25%pyraclos-trobin SC with 3000-fold 43%tebuconazole SC,were 81.07%and 91.38%for controlling apple alternaria blotch,84.97%and 90.48%for controlling apple brown spot.The control efficiency of four treatments were better than control Cabrio Top.The experiment results illustrated that 67%pyraclostrobin-antracol SC and the combination of 25%pyraclostrobin SC with 43%tebuconazole SC have significant control effect against apple alternaria blotch and apple brown spot.

关 键 词：杀菌剂 苹果斑点落叶病 苹果褐斑病 防效 

分 类 号：S436.611.1[农业科学—农业昆虫与害虫防治]