主要介绍了桑天牛的形态特征、发病特点以及防治方法。
This paper introduced its form feature, sick characteristic and the prevention method.
为使天敌能大量人工繁殖，从分子生物学角度对单头桑天牛卵啮小蜂基因组DNA的提取方法及RAPD反应条件进行了探索。
In order to propagate more Aprostocetus prolixus, we studied the method of genomic DNA extraction and optimization of RAPD ana- lytic conditions.
为使天敌能大量人工繁殖，从分子生物学角度对单头桑天牛卵啮小蜂基因组DNA的提取方法及RAPD反应条件进行了探索。
In order to propagate more Aprostocetus prolixus, we studied the method of genomic DNA extraction and optimization of RAPD ana- lytic conditions.
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