荆沔“二○九”是湖北省沔阳县九合垸原种场一九七二年以猴子毛为母本,一一三八——二为父本杂交,经七年系统选育而成。一九八三年九月湖北省科委,荆州地区科委联合组织鉴定命名并评定成果。一九八二年江西省棉科所用十二个夏大豆新品种作比较试验.以荆沔二○九 Jing 沔 “209” is the original seed market of Jiulian Embankment in Leiyang County, Hubei Province. In 1972, with the monkey hair as the female parent and the 1382 parent as the male parent, seven years of systematic breeding to make. September 1983 Hubei Provincial Science and Technology Commission, Jingzhou Joint Commission of Science and Technology Commission named and appraised the results. Twelve new summer soybean cultivars used by the Cotton Branch of Jiangxi Province in 1982 were compared with each other.