Crosses were made between Gossypium hirsutum L. ×G. klotzschianum Anderss, G, hirsutum L.×G. thurberi Tod and G.
Crosses were made between Gossypium hirsutum L. ×G. klotzschianum Anderss, G, hirsutum L.×G. thurberi Tod and G.
以陆地棉(G.hirsutum)做母本,分别与瑟伯氏棉(G.thurberi)和克劳茨基棉(G.klotzschianum)杂交,以陆地棉自交为对照,取杂交和自交授粉后二天的胚珠培养。