果树流胶病主要危害桃倒、李树、杏树等果树的主干和主枝。发病部位稍肿胀,木质部变褐后,从皮孔或伤口处分泌出透明胶状物,与空气接触逐渐变成黄褐色至褐色,随时间推移变成黑色硬块,发病部位树皮粗糙、龟裂、不易愈合,发病严重时树势衰弱,甚至整株枯死。 Fruit tree mellitus is the main hazard Peach down, plum, apricot and other fruit tree trunk and main branch. Slight swelling of the site, after the xylem browning, secreted from the skin hole or wound at a transparent jelly, and air gradually become brown to brown, with the passage of time into a black lumps, the incidence of bark rough, cracked , Not easy to heal, the incidence of severe tree weakness, or even whole plant dead.