苹果烂根病(紫斑羽、白翅、白娟病害)一种危害性较大的根部病害,以前对此病的防治主要在春、秋对病株进行扒土晾根、刮除病斑等综合措施,但经治疗的病株中,仍有发病可能。为了找出有效的方法,我们于1972年6月开始做了接根法试验,收到良好效果。 具体做法是:根据病株的主枝生长 Apple rotten root disease (purple spot feather, white-winged, Baijuan disease) a more harmful root disease, before the prevention and treatment of the disease mainly in spring and autumn on the diseased plants Grilled soil roots, curettage and other lesions Comprehensive measures, but the treated strains, there are still possible onset. In order to find an effective method, we started the root-trial in June 1972 and received good results. The specific approach is: According to the main branch of the disease growth