苹果树腐烂病是苹果产区危害性最大的一种病害。为寻求防止该病复发,预防此病发生的有效途径,北京市土肥工作站、北京农林科学院林果所等单位,经过四年的大面积试验示范表明:腐植酸钠对腐烂病疤周围愈伤组织生长,有明显的促进作用,无烧伤和残毒等现 Apple tree rot disease is one of the most harmful diseases in apple producing areas. In order to find an effective way to prevent recurrence of the disease and prevent the occurrence of the disease, Beijing Fertilizer Station, Beijing Academy of Agriculture and Forestry, and other units, after four years of large-scale demonstration shows that: sodium humate decay scar around the callus Growth, there is a clear role in promoting, no burns and residual poison are present