腐烂病是苹果树上一种毁灭性的病害,发病后,除彻底刮治、严格消毒外,及时对病斑进行桥接,对恢复树势效果良好。 桥接的适宜时期是3月底到4月中旬。可利用根蘖苗或伤疤下的萌条,从枝条上端比伤口长5厘米左右处短截,然后将靠里的一侧削成马耳形的斜面,插入病斑上端的韧皮部和木质 Rotten apple tree is a devastating disease, after the onset, in addition to complete cure, strict disinfection, the timely bridge to lesion, the recovery of the tree is effective. The appropriate period of the bridge is from the end of March to mid-April. May use the root seedling or scar under the sprout, from the top of the branch than the wound length of about 5 cm at the short cut, and then rely on the side cut into a Mal-shaped bevel, insert the lesion at the upper phloem and wood