论文部分内容阅读
10~12月 秋末冬初是腐烂病初期病斑向树深层扩展的关键时期,要加强防治。搞好果园卫生,压低越冬基数,为次年病虫防治打基础。 防治腐烂病 春季出现的大量病斑,是秋末冬初的初期病斑向树体深层扩展后,在春季暴发的表
From the beginning of autumn to the beginning of winter of December to December, it is a crucial period for the disease to spread to the tree in the early stage of rot disease. Do a good job in orchard health, lowering the base of winter, lay the foundation for the following year pest control. Prevention of rot disease A large number of spring lesions, is the beginning of late autumn and early winter lesions extended to the tree deep after the outbreak in the spring table