加强果树病虫害的早期防治不仅能获得较高的防治效果，而且减少了农药的使用，节省了投工投资，同时还有降低果品中农药的残留。针对桃树常见的几种病虫，提出以下早期防治的技术措施。一、细菌性穿孔病应结合冬剪除病枯枝集中烧毁。以灭除枝梢上的病原菌。发芽前对桃树枝干仔? Strengthening the early prevention and control of pests and diseases of fruit trees can not only achieve higher prevention and control effects, but also reduce the use of pesticides, save investment in construction, and reduce pesticide residues in fruits. For the pest common pests, put forward the following early prevention and control measures. First, bacterial perforation disease should be combined with winter cut disease dead branches concentrated burned. To eliminate the branches on the pathogen. Pre-germination of peach branches Aberdeen?