四年以下尚未结果的柑桔树,往往有大量脱叶现象,群众称之为脱叶病。柑桔树一旦脱叶,轻者削弱树势,生长延缓;重者叶片脱光,最后枯死。 柑桔脱叶,主要是受环境的影响,可归纳为五种类型,如果分别采取相应措施可以挽救。 一是新叶叶脉爆裂性的脱叶。一般发生在砂质土的 Citrus trees that have not yet reached the age of four years often have a lot of defoliation and the masses call it leaf defoliation. Citrus trees once the defoliation, light weaken the tree vigor, growth retardation; heavy leaves stripping, and finally dead. Citrus defoliation, mainly affected by the environment, can be grouped into five types, if taken separately, the corresponding measures can be saved. First, a new leaflet burst of defoliation. Generally occurs in sandy soil