枣树落果现象比较严重,是影响其高效生产的主要因素之一。现就落果原因及防止对策分述如下。一、落果时间枣树开花即有大量花蕾脱落,幼果形成后又有生理落果现象,果实发育后期因病虫为害也会造成落果。北方枣区枣树落果的时期大致可分为三个阶 Jujube fruit drop more serious, is affecting the efficient production of one of the main factors. Now the reasons for the fall and prevent countermeasures are as follows. First, the fall time jujube blossom that is a large number of buds fall off, after the formation of young fruit physiological decadent phenomenon, the late fruit development due to pests and diseases will cause fruit loss. Jujube jujube fruit fall period can be divided into three stages