榆林风沙防护林主要害虫发生特点及防治对策

Occurence and Control of the Main Pests in Sand-drif Control Forests in Yulin

针对榆林风沙防护林主要害虫的生态分布和危害特点,将全区沙地林木被害情况分为5大类型区,逐一分析其发生、防治的历史和现状,提出具体的综合防治措施和防治策略。

Based on the ecological distribution and the harming character of the main pests in the sand-drift control forests in Yulin, the forest region pestered by the pests is classified into five types and analysis has been made about the occurence and the present state of control. The comprehensive control measures are also presented.