果树生产中,病虫的危害普遍,由于大部分果农不能掌握正确的防治技术,造成每年的喷药次数过多,浪费很大。下面根据实践谈几点减少果园用药次数的方法。 1.重视休眠期的防治 在果树的休眠期,病虫也相继进入越冬状态,此时病虫以越冬态大量集中在其越冬的场所,如树皮缝、土块缝、墙屋缝、落叶杂草等地。因此在休眠期及时采用刮树皮、清除落叶、浇冻水、 In the production of fruit trees, pests and diseases are common and most of the farmers can not master the correct prevention and treatment techniques, resulting in excessive spraying times and waste of fruit trees. Here are some practical ways to reduce the number of orchards medication. 1. Emphasis on the prevention and treatment of dormancy During the dormant period of fruit trees, pests and diseases also successively enter the wintering state. At this time, pests and diseases are overwintered in the wintering places, such as bark joints, clods, wall joints and deciduous leaves Weeds and other places. Therefore, timely use of the hibernation scratch the bark, clear leaves, pour frozen water,