论文部分内容阅读
以新红星苹果为试材,应用70%丙森锌·戊唑醇杀菌剂进行防治斑点落叶病的田间药效试验。结果表明,70%丙森锌·戊唑醇水分散粒剂施用剂量3000倍液、3743.3倍液防治效果85%左右,显著优于同药剂5000倍液、70%丙森锌可湿性粉剂600倍液和430g/l戊唑醇悬浮剂3000倍液,可在防治苹果斑点落叶病中推广应用,推荐施用浓度3000~3743.3倍液,在发病初期用药,连喷3次,间隔7~14天1次,可有效控制病害的发生和蔓延。
The new red star apple as the test material, the application of 70% propinezide tebuconazole fungicide to control spot defoliating field efficacy trials. The results showed that the application of 70% propoxyphene zinc and tebuconazole water dispersible granules in the dosage of 3000 times and the control effect of 3743.3 times liquid was about 85%, which was significantly better than 600 times of the same agent and 5000 times of the 70% propoxynil WP Liquid and 430g / l tebuconazole 3000 times liquid suspension can be applied in the prevention and treatment of apple spotted leaf deciduous disease, the recommended concentration of 3000 ~ 3743.3 times, in the early onset of medication, and even spray 3 times, an interval of 7 to 14 days 1 Times, which can effectively control the occurrence and spread of diseases.