Abstract:The resistance of six soybean varieties, namely, Wujiangqingdou-3, Tong-shanbopihuangdoujia and Gantai-2-2, the high resistant (HR) ones, and Wan82-178, Shandongdadou and Morsoy, the high susceptible (HS) ones, to cotton leafworm Pro-denia litura (Fabrici