柿顶腐病(果农俗称“柿黑屁股病”)是近年发生在广西恭城水柿、华南牛心柿上的一种新病害;该病主要危害果实,可使果实3~5 d内快速软化、腐烂,无法加工柿饼和脆柿,许多柿园因此而遭受了严重损失。笔者经过多年研究,初步明确了该病是缺硼为主而引起的生理性病害[1],并总结出一套 Persimmon top rot (fruit farmers commonly known as “persimmon black ass disease”) is a new disease occurred in Guangxi Gongcheng water persimmon, South China beef heart persimmon in recent years; the disease is mainly endanger the fruit, can quickly soften the fruit within 3 ~ 5 d , Rotting, unable to process dried persimmons and crispy persimmons, many of them suffered serious losses. After years of research, I initially identified the disease is caused by the lack of boron-based physiological diseases [1], and summed up a