冬季是果树病菌休眠时期,这一时期,根据病菌越冬特性加强管理,对防病治病可起到事半功倍的效果。下面介绍三 种主要苹果病害的越冬习性及防治方法: 一、病害的越冬习性 1、苹果树腐烂病;病菌是寄生性很弱的兼性寄生菌,具潜伏侵染特性,以菌丝体,分生孢子器、孢子角和囊壳在树皮 Winter is the fruit tree dormancy period, during this period, according to the characteristics of overwintering bacteria to strengthen management, disease prevention and treatment can play a multiplier effect. The following describes the three main apple diseases overwintering habit and prevention methods: First, the disease overwintering habit 1, apple tree rot disease; bacteria is a parasitic weak facultative parasites, with latent infection characteristics to mycelium, Conidia, spores and capsule in the bark