杨梅是我国江南地区传统的珍贵名果。以叶小、枝条簇生和枯梢为主要特征的杨梅梢枯病在全国各杨梅产区均有发生，严重制约杨梅产量和品质的提高。现已查明杨梅梢枯病是树体缺硼引起的一种生理性病害，其直接原因是土壤有效硼含量低。据调查，浙江省杨梅产区95％的土壤有效硼含 Yangmei is a famous traditional fruit of Jiangnan in our country. The blight of Myrica rubra, which is mainly characterized by leaves, branches and shoots, has occurred in all the bayberry producing areas in the country, which seriously hinders the improvement of the yield and quality of the bayberry. It has been identified Yangbai tip blight is a physiological deficiency caused by boron deficiency of the tree, the direct cause of the soil available boron content is low. According to the survey, about 95% of the soil available boron in the bayberry producing area of ​​Zhejiang Province is contained