5%多抗霉素AS防治苹果斑点落叶病的防效试验

Field Control Effect against Apple Leaf Cast by 5% Polyoxin AS

通过对苹果树春秋梢采用5%多抗霉素AS、3%多抗霉素WP与常规药剂43%戊唑醇SC叶面喷雾防治苹果斑点落叶病田间防效比较,结果显示,5%多抗霉素AS对苹果斑点落叶病防效较好,可安全使用,且其为AS剂型的生物农药,对环境、作物相对较安全,有保护幼果面的作用,可作为防治苹果斑点落叶病的首选药剂进行大面积推广应用。

Field control effects against apple leaf cast were compared with 5% Polyoxin AS ,3% Polyoxin WP , 43% conventional drug tebuconazole on apple young shoot .The result showed that 5% Polyoxin AS was biological pesticide with the good characters of using safly for environment and crops and protecting fruit surface ,which could be applied against apple leaf cast .