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通过海岛棉（Ｇ．ｂａｒｂａｄｅｎｓｅＬ．）、陆地棉野生种系（Ｇ．ｈｉｒｓｕｔｕｍｒａｃｅ）、陆地棉（Ｇ．ｈｉｒｓｕｔｕｍＬ．）栽培品种的多重杂交，育成的两个长花柱系，其柱头高出雄蕊群１２ｍｍ以上，用花柱与雄蕊群等长的品系与长花柱系杂交作遗传分析。结果表明，长花柱属少数基因控制的数量性状，Ｆ２和回交后代分离比符合两对等位基因遗传。杂种Ｆ１花柱长度偏向等长花柱父本，杂种结实正常，不受恢复基因限制。长花柱系的柱头远高于雄蕊群，自花难以授粉，杂交可不去雄；花粉具备正常授粉能力，人工辅助授粉结实正常，自交繁殖无需保持系。杂种在光合生理性状上表现超亲优势。两个长花柱系农艺性状优良，尤其具有抗枯萎、黄萎病及抗棉蚜、红铃虫、棉铃虫等多种抗性。
Two long-flowered male parent lines were bred by the multiple crosses of G. barbadense L., G. hirsutumrace and G. hirsutum L. cultivars. The stigma was 12 mm above the stamens Above, with the style and the stamen group as long lines and long-style hybrids for genetic analysis. The results showed that the quantitative traits controlled by a few genes of Prunus spp. And the segregation ratios of F2 and backcross progenies were consistent with the inheritance of two pairs of alleles. The length of F1 hybrids tends to be the male of the isometric style, and the hybrids are normal and not affected by the restoring genes. The long stigma stigma is much higher than the stamen group, self-pollination difficult pollination, hybridization can not be male; pollination with normal pollination, artificial pollination and fruiting normal self-propagation without maintaining the Department. Hybrids show superiority in photosynthetic physiological traits. Two long styles of agronomic traits fine, in particular, with resistance to wilt, Verticillium wilt and resistance to cotton aphids, pink bollworm, cotton bollworm and other resistance.