移接新根辅助治疗苹果根腐病苹果根腐病是一种极为严重的果树根部病害，在管理粗放、土壤粘重或积水的情况下，都极易引起发生；有时在老苗圃地育苗，土中残根带菌也引起幼树根腐病。由于根在地下，不易早期发现根腐烂，一旦从树上表现出来，往往烂根已经较重，若防治不及... Root-Rotation of New Roots to Apple Root Rot Disease is an extremely serious root disease of apple tree. It is very easy to cause root-cause in the extensive management, soil stickiness or water accumulation. Sometimes nursery seedlings , The soil residual root fungus also caused young root rot. As the roots in the ground, not easy to find early root rot, once manifested from the tree, often rotten roots have been heavier, if the prevention and control less ...