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我省苹果常见的烂果病害有轮纹病、炭疽病、青霉病、霉心病、褐腐病等多种。轮纹病的病果率可达63%以上,炭疽病达33%以上,贮藏期的青霉病达32%以上。这些烂果病害,常使果农、果品经销者和消费者受到严重损失。1986—1987年对西华县15年生左右的金冠和红星苹果树,采取加强肥水和土壤管,细致修剪,清除越冬病残体,喷铲除剂和保护剂等综合防治措施后,使危害严重的苹果轮纹病和炭疽病等烂果病害得到控制。采果期的病果率不超过5%,贮藏期的病果率不超过10%。
Apple diseases in our province are rotten rot disease, anthracnose, penicillium, mold heart disease, brown rot and other. The disease rate of ring rot disease can reach over 63%, anthrax reaches more than 33%, and the penicillosis of storage period reaches more than 32%. These rotten fruit diseases often cause serious losses to growers, fruit dealers and consumers. From 1986 to 1987, the Golden Crown and Red Star apple trees of about 15 years old in Xihua County were treated with comprehensive measures of prevention and control, such as strengthening of fertilizers and soil pipes, pruning, removing overwintering disease, Rot disease, such as apple ring rot and anthracnose, is under control. Fruit disease fruit picking rate of not more than 5%, the disease rate of less than 10% during storage.