1亲本来源及系谱母本为中棉所49(原品系名中287),父本为中棉所35(原品系名中9409),均来自中国农科院棉花研究所,审定编号:新审棉2013年42号。2选育过程2002年以中棉所49为母本,中棉所35为父本配制杂交组合,并冬季南繁加代,2003年4月F2代在农三师44团种了133.4m2,花铃期进行了抗病性筛选,去除不抗病株,吐絮期选择优良单株并室内考种,入选单株30个在冬季南繁加代;2004~2005年春季F4代和F6代分别在44团种了667m2和2 001m2,整个生育期采用与F2代期间相同的育种方法,进行了抗病性筛选、室内考种等工作,分别入选了100个和500个单株;2006~2007年分别进行 1 Parental origin and pedigree The mother of Cotabato 49 (original system name in the 287), the father of the Cumin 35 (original system name 9409), all from the Chinese Academy of Agricultural Sciences Cotton Institute, validation number: the new trial Cotton 2013, No. 42 2 breeding process In 2002 to 49 as the female parent Cotabato, Cumin 35 as the male parent hybrid combinations, and the winter nao Fan generation, April 2003 F2 generations in the Nongsan division 44 species of 133.4m2 flowers In the boll stage, disease resistance screening was carried out to remove non-resistant plants. The excellent single plant and indoor test species were selected at the boll stage. Thirty plants were selected in the winter and increased in the spring. The F4 and F6 generations in spring 2004 ~ 2005 were 44 667m2 and 2 001m2 were planted, and the same breeding methods were used during the whole growth period as in F2 generation. Disease resistance screening and indoor examination were carried out. 100 and 500 plants were selected respectively. From 2006 to 2007, get on