不同药剂对苹果叶斑病的防治效果

Control Effect of Different Chemicals on Apple Leaf Spot

为了探明苹果叶斑病药剂防治效果,作者于2018—2019年进行田间药剂筛选及最佳用药时期试验。结果表明,3%噻霉酮800倍、50%克菌丹800倍和20%苯醚甲环唑水乳剂2000倍液防效均在90%以上,可在生产中应用。

In order to find out the control effect of fungicides for apple leaf spot disease,the field fungicide screening and the best period of application were carried out in 2018—2019.The results showed that the control effects of 3%thiomycin 800 fold solution,50%captan 800 fold solution and 20%Difenoconazole 2000 fold solution were all over 90%,it can be used in produstion.