1)休眠期。主要防治对象是各种越冬病虫。主要措施是清理果园,将园中枯枝、落叶、杂草清理出园焚烧或深埋。这项工作应进行2次,第1次是葡萄落叶后,重点清除落叶和杂草;第2次是翌年春季葡萄伤流前,重点清除修剪下的葡萄枝条,特别是病枯枝和剥下的老皮。2)萌芽前。主要防治对象是 1) Dormant period. The main control object is a variety of overwintering pests. The main measure is to clean up the orchard, the dead branches in the garden, leaves, weeds clean out burned or buried. This work should be carried out twice, the first is the grape leaves, the focus is clear leaves and weeds; the second is the grapes next to the grapes in spring next year, the removal of prunes, especially diseased branches and peeling Old skin. 2) Before budding. The main control object is