对果树伤口，应用快刀将伤口削平刮净，如已腐烂，应削去腐烂部分直至活组织，使皮层边缘成弧形。然后用2％的硫酸铜液或波美5度的石硫合剂液消毒。最后涂上保护剂，以预防伤口腐烂，促其愈合。保护剂有桐油和接蜡等，液体接蜡用800份松香、100份油脂，3O0份酒精、50份松节油熬 The wounds of fruit trees, the application of a sharp knife to scrape the wound net, such as decay, decay should be part of the rot until living tissue, so that the cortical edge of the arc. Then disinfect with 2% copper sulphate solution or Bomei 5% lime sulfur solution. Finally, apply a protective agent to prevent wound decay and promote healing. Protective agent tung oil and then wax, etc., the liquid wax with 800 parts of rosin, 100 parts of oil, 3O0 parts of alcohol, 50 parts turpentine boil