枇杷进入盛果期常患“缩果病”.此病在果实开始膨大后不久发生.病果皱缩、干瘪,无经济价值.“缩果病”在我省枇杷产区均有不同程度的发生.发病轻者产量锐减,树势衰退;重者绝收,甚至死树.严重影响果农的经济收入,是枇杷生产上急待解决的问题.为了探求“缩果病”发病原因和防治方法,1980年以来,先后在我省莆田、云霄、福清、龙岩、仙游以及省外的江苏、安徽、浙江等地的枇杷产区进行了调查研究,并在莆田县华亭公社山牌大队果场开展了防治试验,现整理如下. The loquat into the fruit-bearing period often suffer from “fruit shrinkage disease.” The disease occurs soon after the fruit began to enlarge. Disease shrinkage, shriveled, no economic value. “Fruit shrinkage disease” in our province loquat producing areas have varying degrees of Occurred less severe cases, the incidence of light production dropped sharply, the decline of the tree potential; heavy and absolutely dead, even dead trees. Seriously affect the economic income of farmers, is an urgent need to solve the production of loquat in order to explore the “shrinkage disease” causes and prevention methods Since 1980, it has carried out investigation and study in loquat producing areas in Putian, Yunxiao, Fuqing, Longyan and Xiangyou in Jiangsu province, Anhui province and Zhejiang province in succession, To carry out prevention and control test, are now organized as follows.