果苗因冬春修剪、机械损伤、人畜损伤、冻害、风害等造成的伤口,必须及时护理,以减少树体水分损失并防止受冻,避免病菌侵染,促进伤口愈合,恢复树势。冬剪果苗伤口护理常用的方法如下。一、切除枝条。对枯死枝条,可在折伤处附近锯平或剪去。轻伤枝、受冻害和风害的枝条宜在死活界限分明处切除,切口要光滑,将伤口处理后,及时涂刷保护剂或接蜡,以便于愈合,萌发新梢。二、刮除树皮。大枝干出现伤口或腐烂病等,发病初期,应及时用快刀刮 Prunus fruit due to winter and spring pruning, mechanical damage, injury of humans and animals, frost damage, wind damage caused by wounds, care must be promptly to reduce the loss of tree water and prevent freezing, to avoid bacteria infection, promote wound healing and restore the tree vigor. Winter cut seedlings wound care commonly used methods are as follows. First, remove the branches. Withered branches, can be sawed or cut off in the vicinity of the injury. Slightly injured branches, frost damage and wind damage branches should be clearly divided in the life and death cut, the incision should be smooth, the wound treatment, timely brushing protective agent or wax, so as to facilitate the emergence of new shoots. Second, remove the bark. Large branches appear wounds or rot disease, early onset, should be promptly scraping knife