一、果树发生腐烂病、干枯病的主要原因我县的果园以灌水为主，果树栽植在果沟中，土壤长期板结，沟中长期野生草较多，土壤温度低，果树根部生长易受冻害，加上冬水浇得晚并且过多，树体的营养细胞受到冻害，从而导致腐烂病的发生。其次，在冬季修剪时据口过大，没有保护好据 First, the main cause of rotten or dry disease in fruit trees In our county, the orchards are mainly irrigated. The fruit trees are planted in the gully. The long-term compaction of the soil leads to more long-term wild grass in the ditch. The soil temperature is low. , Coupled with winter water poured too late and too much, the body’s vegetative cells by frost damage, resulting in the occurrence of rot disease. Secondly, when the winter pruning data port is too large, there is no protection according to