流胶,是果树生理上的一种病变,是当今果树常见的一种主要病害。造成流胶的原因很多,凡是阻碍树体正常生长发育的各种不利因素:如病虫危害、施肥不当、土壤粘重、排水不良、夏剪过重、定植过深、冻害、日灼、结果过多等都可造成果树流胶。 此病主要发生在桃、李、杏、梅等核果类的主干和各主枝上,病部稍肿胀,木质处变褐色,后从皮孔或伤口处分泌出透明的胶状物,与空气接触后,逐渐 Silicone gel is a physiological disease of fruit trees and is a common disease of fruit trees. There are many reasons that cause the flow of plastic, all kinds of unfavorable factors that hinder the normal growth and development of the tree: such as pest damage, improper fertilization, soil sticky, poor drainage, excessive summer scissors, planting too deep, frost damage, sunburn, the results Too much can cause fruit tree glue. The disease occurs mainly in the peach, plum, apricot, plum and other drupe on the main trunk and the main branch, the disease slightly swollen, wood brown, after the secretion from the lenticel or wound transparent jelly, and air After contact, gradually