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一、选育经过赣棉78～7系我所1975年采用徐州142与辽棉3号杂交,经单株选择,南繁加代选育而成。到1984年止整整十个世代。 1976年种于杂种一代圃混合收花留种。 1977年种于杂种二代圃,经田间群体选出73号优良单株。同年九月底赴海南岛南繁加代进入选种圃(南繁21号)。经田间观察测产,综合性状较好。 1978年升入所内品系预备试验。 1979年升入所内品系比较试验,并定名赣78～7。 1980～1981年参加全省棉花新品种区域试验。 1982年参加全省棉花新品种生产试验,连续三年在省内不同地区、土壤、耕作制度类型棉区对其丰产性、纤维品质、抗病抗逆
First, breeding after Gan cotton 78 ~ 7 Department I used in 1975 in Xuzhou 142 and Liaodian 3 hybrids, the single plant selection, the South Fan from generation to generation. Until 1984, a whole generation of ten generations. 1976 kinds of hybrid seedbed in a hybrid garden flowers. 1977 kinds of hybrids in the second generation of nursery, field groups selected 73 excellent single plant. At the end of September of the same year, go to Hainan Island Fanfan into the selection of nursery (Nanfan 21). After field observation and measurement, comprehensive traits are better. In 1978 rose into the Department of the Department of preparedness test. In 1979 rose into the Department of the Department of comparative test, and named Gan 78 ~ 7. From 1980 to 1981 to participate in the province of new varieties of cotton regional test. In 1982 to participate in the province’s new varieties of cotton production test, for three consecutive years in different parts of the province, soil, farming system type cotton area of its high yield, fiber quality, disease resistance