桃树流胶病是生理性的病害,而非侵染性的病害。主要发生在桃树主干、分杈及伤口部份,从皮孔和伤口部份流出淡黄色、柔软而透明的树脂。树脂干燥凝结变为赤褐色,树皮开裂而膨胀,严重的树干布满树脂,雨天向根部流下积累成堆。此病一年中以4—5月梅雨期发生最多,其次8—9月台风期,本场 Peach gum disease is a physiological disease, but not invasive disease. Mainly occurs in the peach tree trunk, bifurcation and wound part of the outflow from the skin and wounds yellowish, soft and transparent resin. Resin dry condensation becomes auburn, bark cracking and expansion, serious tree trunk covered with resin, rain to the roots of the accumulation of heaps. The disease occurs in the most rainy season from April to May in the year, followed by the typhoon period from August to September, this field