论文部分内容阅读
甘肃省甘谷县山区群众栽植核桃树的历史悠久。近年来,核桃作为一个新兴的农业产业,栽植面积不断扩大,随之而来的核桃树病虫害日益明显。防治要以改善园地生态环境,加强综合管理为基础,提高树体抗病能力,优先应用农业和生态调控措施,注意保护利用天敌,充分发挥自然控制作用,多采用农业技术措施和人工,物理方法防治相互配合,取长补短;选用低毒、高效。低残留化学农药,并注意轮换使用。严禁使用高毒、高残留农药。
Gansu Province, Ganggu County, the masses of walnut trees planted a long history. In recent years, walnut as a new agricultural industry, growing area planted, followed by walnut tree pests and diseases are increasingly evident. Prevention and control should be based on improving the ecological environment of the park and strengthening integrated management to improve the disease resistance of the tree, giving priority to agriculture and ecological control measures, paying attention to the protection and utilization of natural enemies, giving full play to the role of natural control, and adopting agricultural technical measures and artificial and physical methods Prevention and treatment of each other, learn from each other; use low toxicity, high efficiency. Low residual chemical pesticides, and pay attention to the use of rotation. It is forbidden to use high-toxic and high-residue pesticides.