灼条冻害苹果树的挽救措施１早春（３月底至４月中）喷施２％尿素。２延迟修剪，清除死亡枝条及严重受冻枝条。３刮除枝干树皮上的坏死组织，用药剂或物理方法保护伤口，以防感染病害，促进愈伤组织快速生长。４皮层部分坏死且疤较大的，采用桥接法，接通养分运输通道。５... Burning frost damage apple tree 1 early spring (late March to mid April) spray 2% urea. 2 Postpone pruning, remove dead branches and severely frozen branches. 3 Scratch the branches of bark necrotic tissue, with drugs or physical protection of the wound to prevent infection and promote rapid growth of callus. 4 cortical necrosis and scar larger, using the bridge method, connected to the passage of nutrients. 5 ...