早春是多种果树病虫害的有效防治时期,搞好早春病虫害的防治,可有效降低全年病虫发生基数,大大降低防治成本。笔者根据多年经验,总结出早春防治果树病虫害的几项技术。1、技术措施结合修剪,刮老树皮,剪去病虫枝和死 Early spring is a variety of fruit trees pests and diseases of the effective control period, do a good job in early spring pest control, which can effectively reduce the incidence of pests and diseases throughout the year, greatly reducing the cost of prevention and treatment. Based on many years’ experience, the author summed up several techniques to prevent and cure fruit pests and diseases in early spring. 1, the technical measures combined with pruning, scraping the old bark, cut off the worm and sticks