核桃良种园四对病虫大量危害的防治技术

Control Techniques for Four Pairs of Pests and Diseases in Walnut Seed Orchards

商洛市核桃良种园的生产经营由于受到大量主要病虫的长期危害,已泛滥成灾,造成大量核桃果实变黑,枝条枯死,根、干腐烂,大树死亡等现象。该文依据目前危害商洛核桃的主要病虫种类为主点,缜密研究分析其中关联密切的四对病虫的大量危害,通过其危害特征、个性特点,提出针对性的有效防治技术,以紧急应对全市核桃良种园生产经营之所需。文中提出的有效防治技术源于实践总结,简单明了,实用性强,供各地在生产实践中参考应用。

The production and operation of high-quality walnut orchards in Shangluo City have been plagued by long-term damage from a large number of major pests and diseases,resulting in a large number of walnut fruits turning black,branches dying,roots and trunks rotting,and large trees dying.This article focuses on the main types of pests and diseases that currently harm Shangluo walnuts,and conducts meticulous research and analysis on the large number of closely related four pairs of pests and diseases.Through their common and individual characteristics of harm,targeted and effective prevention and control technologies are proposed to urgently respond to the needs of the production and operation of high-quality walnut orchards in the city.The effective prevention and control techniques proposed in the article are derived from practical summaries,simple,clear,and highly practical,providing reference and application for various regions in work practice.