沾化冬枣落果原因分析及防落技术要点

Analysis of the Cause of Fruit Shedding of Zizyphus and its Prevent Techniques

分析了造成沾化冬枣落果的6个生理因素和2个外界因素，着重介绍了加强水肥管理、修剪拉枝缓和树势、开甲、喷施激素及微量元素、放养蜜蜂、花期喷水和蔗糖、树干上涂粘虫胶、加强病虫害防治等7种防落技术要点。为沾化冬枣的丰产管理提供了重要的技术依据。

This paper analyses the six physiological reasons and two external factors of fruit shedding of Zizyphus ,emphatically introduces the measures of strengthening management of fertilization and irrigation,branch -pulling pruning, spraying plant growth regulators and applying mieroelement, stocking honeybee, water and surose spraying in flowering stage, pasting pest glue on trunk, fortidfy the prevention and control measures of disease and pest. These results can provide an important technology basis for management of high yielding.