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李树在管理条件差的情况下易感染病虫害。轻者影响树体发育,果实品质差,产量低。重者造成树体衰弱寿命短,果实不能食用。
Li Shu in poor management conditions susceptible to pests and diseases. Light affect the development of trees, fruit quality is poor, low yield. Heavy caused by the tree body weak life expectancy, the fruit can not eat.