SeMNPV; Chinese strain; isolation and identification; bioassay; restrict endonucleases analysis; polyhedrin; chitinase; alignment of homology.

• 01甜菜夜蛾核多角体病毒;中国分离株;分离鉴定;生物测定;限制性内切酶分析;多角体;几丁质酶;同源性比较。