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冀优624是河北省农林科学院棉花研究所优质棉育种室培育的集丰产、抗虫、抗病于一体的特优质纤维棉花新种质。其母本冀棉22号(冀9119系)是海岛棉与陆地棉杂交[(海岛棉×邢 6871)×(海岛棉×冀邯 5号)]×(海岛棉×冀棉 8号),经多年连续选育而成的优质、高产、早熟棉花新品系,其父本是高产抗虫棉花品系,遗传背景丰富,通过多年系选和定向培育,在第9代得到了丰产抗虫特优质纤维棉花新种质冀优642。
Ji You 624 is a new high-quality fiber cotton germplasm that integrates high yield, insect resistance and disease resistance in the high-quality cotton breeding room developed by Cotton Research Institute of Academy of Agriculture and Forestry Academy of Hebei Province. The female parent Jimian 22 (Hebei 9119) is a hybrid of G. barbadense and G. hirsutum [(Sea Island × Xing 6871) × (Sea Island × Jihan 5) × (Sea Island × Hebei Cotton 8) The new line of high-quality, high-yielding and precocious cotton, which was continuously selected and bred for many years, is a high-yielding insect-resistant cotton line with rich genetic background. Through years of line selection and directional cultivation, New Cotton Germplasm Ji You 642.