果树再植病是果树重茬连作产生的一种较为普遍的病害。一、果树再植病的症状果树再植病的主要症状是:根系生长严重受阻,根冠比降低,严重时根系坏死;新梢生长衰弱。发枝少,停长早;连作的第一年整体抑制作用极为明显。几种果树再植病的症状如下:(一)苹果上的表现:生活力降低,枝条生长量小,树冠小, Regeneration of fruit trees is a more common disease produced by continuous cropping of fruit trees. First, the symptoms of replantation of fruit trees The main symptoms of replantation of fruit trees are: the growth of the root system is severely hampered, the root-shoot ratio is reduced, and the root system is severely necrotic; the growth of new shoots is weak. Fewer branches, stop long; even in the first year of the overall inhibitory effect is extremely obvious. Symptoms of several replantation of fruit trees are as follows: (a) Apple’s performance: reduced viability, small shoot growth, small canopy,