Evaluation, selection and utilization of wild germ plasm to enhance salt tolerance of plants by breeding is very important to the exploitation of saline soil. 6 species of soybean cultivars (Glycine max L.)-Lee68, Nannong 1138-2, Nannong 88-31, No.1 of Suxie, Jackson and Zhongzi Huangdou-Yi and 5 populations of wild soybean (G soja L.)-N23232, N23234, N23227, BB52 (collected from the setuary of the Yellow Rive in Kenli County, Shandong Province) and JWS (collected from the beach in Sheyang County, Jiangsu P...