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答山东读者周红牛苹果轮纹病是苹果果实和枝干的重要病害,特别是危害果实近年来有加重发展的趋势。其病菌是一种弱寄生菌。果实染病后病果从成熟到贮藏期可不断腐烂,有时田间病果率可达80％以上。造成丰产不丰收。为此,必须对该病进行综合防治。一、选择无病苗木:苗圃应设在远离轮纹病病区的地区,培育无病壮苗。在建园时加强检验,杜绝带有轮纹病的苗木进入。
A Shandong readers Zhou Red Bull apple ring disease is an important disease of apple fruit and stems, especially the harms of fruits in recent years have increased the development trend. The pathogen is a weak parasitic bacteria. Fruit disease after the disease from ripe to storage can be constant decay, and sometimes disease rate of more than 80% field. Resulting in high yield does not harvest. To this end, the disease must be comprehensive prevention and treatment. First, the choice of disease-free seedlings: nurseries should be located far away from the area of rot disease, nurturing disease-free seedlings. In the construction of the park to strengthen inspection, put an end to the seedlings with ring rot disease to enter.