Image# A115 - Apple trees

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Apple trees

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The following factors can harm an apple crop: weather; pests such as codling moth, oriental fruit moth, apple maggot, dogwood borers, leafhoppers, mites, aphids and others; plant disease such as fire blight, scab, blister spot, rust, powdery mildew, canker, and others; globalization - some pests are native to Canada, while other invasive plants and animals have spread from other regions of the world.