有不少果农反映,冬季苹果园里腐烂病、轮纹病、各种虫害严重,导致苹果卖不上好价钱。冬季果园病虫防控是个大难题。高级农艺师徐明举表示,病虫防控要系统,除了全年合理用药外,冬季清园也是基础性工作。果树清园是指在果树休眠期内采取人工、农业和化学的方法,有效地消灭越冬的有害病虫菌,压低越冬基数,避免或减轻病虫危害的一种防治手段。在果树落叶后至来年发芽前,果农一般都会对果树进行清园。搞好清园对病虫防控来 There are many fruit farmers reflect the winter apple orchard rot disease, rotten grain disease, a variety of pests serious, resulting in Apple can not sell a good price. Winter orchard pest control is a big problem. Xu Mingju, a senior agronomist, said that the system of pest and disease control should not only be used rationally throughout the year but also be a basic work in the Qing Dynasty. Fruit tree clearing refers to the artificial dormancy during the fruit, agriculture and chemical methods, the effective elimination of wintering pests, reduce the base of winter, to avoid or reduce the hazards of pests and diseases a prevention and treatment. Before the fruit trees deciduous come into germination before the coming year, the fruit growers generally carry out the clearing of the fruit trees. Do a good job clearing the park to pest control