陕2786是省棉花研究所1981年以辽棉7号为母本,陕274(辽5064选系)为父本杂交育成的优质、抗病、早熟的棉花新品种。1987—1989年所内品系比较试验,霜前皮棉亩产55kg,比辽棉7号增产7.6%,所内回茬播种试验,平均亩产皮棉86.8kg。全国夏棉品种联合试验在辽宁辽阳特早熟棉区春播亩产56.1kg,比中棉所10号增产53.3%,居第2位,次于辽1038;在黄河流域夏播棉的山西运城、郑州两点试验,亩 Shaanxi 2786 is a new cotton variety with high quality, disease resistance and precocity bred by the Provincial Cotton Research Institute in 1981 with Liaomian 7 as its female parent and Shaanxi 274 (Liaoning 5064 selected line) as its male parent. From 1987 to 1989, the comparison test of the strains in the department showed that before the frost, the per mu production was 55kg, 7.6% more than that of the Liaonian7. The average seed yield was 86.8kg per mu. The national summer cotton varieties joint test in Liaodong precocious cotton area of ​​?? yield of 56.1kg per mu, than the No. 10 cotton yield 53.3%, ranking No. 2, second Liao 1038; Summer cotton sowing in the Yellow River in Yuncheng, Shanxi, Zhengzhou Two trials, mu