陕西长安市一读者问:“盆桔流胶病如何防治?”答:流胶病是一种真菌病害,北方春夏季节常发生在盆桔主干及其分枝上,受害处呈不规格水渍状,腐烂变褐、有异味,随后流出胶质,造成树皮大片腐烂。干燥时,皮层开裂,木质部暴露;重者全株枯死,轻者枯桩缩枝。防治措施:一、常松土,增强盆土透气性;增加酸度,改善通风条件,创造适宜其生长的处部环境。二、多施有机肥,避免施用化学肥料;盆土可多加骨粉、羽毛、蹄角或饼肥。三、合理浇水。①盆面泥土湿润带水渍时不宜浇 A reader in Chang’an City, Shaanxi Province, Q: “How do I prevent mycosis?” A: Mycelial disease is a fungal disease. The northern spring and summer often occur in the trunk and branches of potted orange. Specifications water-like shape, decay brown, smell, then out of the gum, causing large bark decay. Dry, the cortex cracking, xylem exposure; heavy whole plant died, the light piles dry branches. Prevention measures: First, often loose soil, enhance permeability of basin soil; increase acidity, improve ventilation, and create a suitable environment for the growth of the Department. Second, more organic fertilizer, to avoid the use of chemical fertilizers; Pentu can be more bone meal, feathers, hoof or pie fat. Third, a reasonable watering. ① basin soil wet zone water stains should not be poured