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北斗苹果霉心病又称红霉病、果腐病,主要发生在果实上,初期在果心处产生淡褐色小班,尔后融合成褐色斑块,不久出现桔红色或粉红色霉状物,引起果心变褐坏死。发病时先向果心一侧腐烂,然后由局部烂至果面,此时在果面可见到淡褐色至褐色的不规则病斑,最后果实腐烂,果肉味苦。此病不仅危害贮藏期苹果,而且也可危害树上果
Beidou, also known as mold mildew apple red mold disease, fruit rot, occurs mainly in the fruit, early in the heart of the resulting light brown small class, and later integrated into brown patches soon appeared orange or pink mildew, causing fruit Heart brown necrosis. When the onset of decadent to the side of the fruit first, and then rotten to the fruit by the local, at this time in the fruit surface to see the brown to brown irregular lesions, the final fruit decay, flesh bitter taste. The disease not only endangers the storage of apples, but also can harm the tree fruit