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1996年~ 1 999年在进行核桃主要果实害虫生物学特性研究的同时 ,开展了人工拣拾落果控制害虫发生的试验 ,经 4年收集的数据综合分析 ,人工拣拾落果可有效地控制害虫虫口密度增长
From 1996 to 1999, while carrying out the research on the biological characteristics of the main fruit pests in walnuts, we carried out the experiment to control the occurrence of pests by picking up and falling fruits manually. After a comprehensive analysis of the data collected in 4 years, Density growth