苹果树腐烂病的药剂防治,在50年代早期的研究工作中,曾试图采取适期喷布保护性杀菌剂杜绝病菌侵染以预防发病的途径,但未能获得预想结果。60年代初,中国农科院果树所与北京农业大学植保系合作研究,发现腐烂病菌侵染具有潜伏侵染特性,苹果 In the early 1950s, attempts to prevent and cure apple tree rot disease were attempted to adopt the method of spraying the protective bactericide on a regular basis to prevent the pathogen infection to prevent the disease, but failed to obtain the expected result. In the early 60s, the Chinese Academy of Agricultural Sciences fruit tree and Beijing Agricultural University Plant Protection Department collaborative study found that the infection of luteal bacteria with latent infection characteristics, apple