苹果斑点落叶病又称褐纹病，主要危害叶片，造成早落，也危害新梢和果实，影响树势和产量，在各苹果产区都有发生，以渤海湾和黄河故道地区受害较重。
通过对2 5 %阿米西达SC防治苹果斑点落叶病进行田间药效试验。
The control effect of 25% Amistar SC on apple Alternaria leaf spot were tested in field.
其组合物 可防治农业上较难防治的苹果斑点落叶病，而且使用方便、省工省时。
The compound can control an alternaria mali that is hard to be controlled in agriculture and has the advantages of convenient use as well as labor and time saving.
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