长绒393等新品种(系),是从岱字棉中选出的天然长绒为母本与上海农科院从“长绒8号”中选出的605为父本的杂交后代中选出来的单株,再经多品种自然杂交,定向选育而成。在选育过程中,出现纤维强力分离、绒 Long March 393 and other new varieties (lines), is selected from Dai word natural cotton fleece as the female parent and the Shanghai Academy of Agricultural Sciences from the “plush 8” selected 605 male offspring selected among the offspring Of the single plant, and then by many species of natural hybridization, directed breeding. In the breeding process, the emergence of strong fiber separation, velvet