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苹果斑点落叶病自七十年代末成为中国苹果生产区普遍发生的病害之一,进入八十年代后,由于各地大量栽植易感新品种美国新红星、烟青等元帅系品种,致使该病在生产上存在严重的潜在威胁,为寻找有效的解决办法,我们于1993年进行了宝丽安10％可湿性粉剂的田间示范试验。
Since the late seventies, apple spotted leaf deciduous disease has become one of the most common diseases in apple producing areas in China. After entering the 1980s, due to extensive cultivation of new varieties such as new red star and smoke cyanide, There are serious potential threats to production. In order to find an effective solution, we conducted a field demonstration test of Polaroid 10% wettable powder in 1993.