Fifty-seven soybean accessions were tested for resistance to cotton worm(Prodenia litura Fabricius) by feeding test.

• 利用网室采集的57份大豆资源的叶片,室内喂养刚孵化的斜纹夜蛾幼虫,以幼虫重为指标,鉴定大豆资源对斜纹夜蛾的抗性。