再植苹果苗表现典型的再植病，其症状为叶片小，新梢细短，根系分生能力差且腐烂，果品质量差，树势弱。该病的病因主要是由生物因素发光假密环菌［Ａｒｍｉｌａｒｉｅｌａｔａｂｅｓｃｅｎｓｓｉｎｇ］，非生物因素土壤残毒和肥料施用不合理等多种因素综合引起的。不同的砧木抗苹果再植病的程度不同，垂丝海棠较抗再植病。选择抗性砧木，阳光曝晒和甲醛消毒定植穴土壤，再配以良好的农业措施，能有效地控制其病害发生。 Replanting apple seedlings showed typical replantation disease, the symptoms of small leaves, shoots thin and short, poor ability of root meristem and decay, fruit quality is poor, weak tree vigor. The etiology of the disease is mainly caused by the combination of biological factors such as Armilarielatabescenus, abiotic soil residues and irrational application of manure. Different rootstocks have different resistance to replantation of apple. Select resistant rootstocks, sun exposure and formaldehyde disinfection planting hole, together with good agricultural practices, can effectively control the occurrence of the disease.