苹果套袋前怎样防病虫

• 作 者: 郑秀影
• 出 处: 农药市场信息
• 发表日期: 2012年16期
• 关键词: 斑点落叶病 苹果套袋 苹果绵蚜 金纹细蛾 缺钙症 烂果 花后 套袋果 康氏粉蚧 桃小食心虫

套袋前是苹果病虫害防治的最关键时期,该期以防治轮纹烂果病、套袋果黑点病、康氏粉蚧、金纹细蛾及缺钙症为主,兼防斑点落叶病、苹果绵蚜、苹果黄蚜、桃小食心虫及叶螨类等。为确保果品无公害,必须选择无公害农药。从落花后7~10天开始,以防治轮纹烂果病为主,兼防斑点落叶病,10天左右喷药1次,需连续喷药3次左右。这是轮纹烂果病的全年防治关键,选用80%大生M-45可湿粉800~1000倍液效果最佳,其次也可选用纯甲基托布津或纯多菌灵等安全农药。

Before the bagging is the most critical period for the prevention and control of apple pests and diseases, the period is mainly prevention and control of rotten rotten fruit, bagged fruit black spot disease, Kang’s mealybug, gold moth and calcium deficiency disease, , Apple aphid, apple aphid, peach moth and spider mites and so on. To ensure fruit pollution-free, we must choose pollution-free pesticides. From 7 to 10 days after falling from the start to prevent rotten rot rot disease, and prevent blooming, spraying about 10 days 1, need to spray 3 times or so. This is the rotten rot rot disease prevention key throughout the year, the choice of 80% M-45 wettable powder 800 to 1000 times the best solution, followed by the choice of pure thiophanate-methyl or pure carbendazim and other safe pesticides.