长顺县苹果早期落叶病防治用药研究

Study on the Prevention and Treatment of Apple Early Deciduous Disease in Changshun County

为有效控制苹果早期落叶病,减少损失和提质增效,组织开展了苯醚甲环唑、多抗霉素、宁南霉素等7种药剂防治苹果早期落叶病筛选试验。结果表明,在始现病斑时开始施药,施药间隔期10d-15d,除代森猛锌处理防效低于70%外,其余6种药剂处理均在74%以上。建议在优先选用多抗霉素和宁南霉素等非杀伤性生物药剂的基础上,与其他药剂轮换使用,防治时做到"早"。

In order to effectively control apple early defoliation disease,reduce losses and improve quality and efficiency,The organization has carried out difenoconazole、polyoxins、ningnanmyc in screening test of 7 kinds of insecticides for controlling apple early deciduous disease.The application of drugs started at the beginning of the disease spot,Application interval 7-15 day,except that the control effect of Daisenmeng zinc treatment was lower 70%,All the other six drugs were treated 74%above,It is suggested that priority should be given to non-lethal biological agents such as polyoxin and ningnanmycin,Use it alternately with other medicines,“Early”prevention and control.