花木的树干或大枝上有了伤口,如不及时治疗,就会引起腐烂,形成空洞,影响花木的生长和寿命。因此,一旦发现花木有了伤口,就必须立即采取治疗措施。一般先用利刀削平刮净伤口,然后用消毒剂如2％硫酸铜液或石硫合剂5度液等消毒,最后再涂上桐油等保护剂,以预防伤口腐烂,并促其愈合。如伤口已成空洞,则应修补。其方法是:先将洞内腐烂木质刨出,再刮 The tree trunk or branch has a wound, if not treated, it will cause decay, the formation of holes that affect the growth and life of flowers and trees. Therefore, once found the flowers have wounds, they must take immediate treatment. Generally use a sharp knife to scrape the net wound first, and then disinfectants such as 2% copper sulfate solution or lime sulfur 5 degrees liquid disinfection, and finally coated with tung oil and other protective agents to prevent wound decay and promote healing. If the wound has become empty, it should be repaired. The method is: first rotten wooden holes dig out, and then scraping