栽培棉(4X)与斯特提棉(2X)种间杂种F_1的细胞学的研究  

Studies on the Cytology of Interspecific F1 Hybrids of the cultivated Cotton (4x) and Gossypium sturtianum wills

作　　者：李育强[1] 李蒙恩[1] 陈庆祥[2] 

机构地区：[1]石河子农学院农学系 [2]新疆农科院

出　　处：《石河子大学学报（自然科学版）》1990年第3期36-40,共5页Journal of Shihezi University(Natural Science)

摘　　要：本研究分析了陆地棉[Gossypium hirsrtum L.,2n=4x=52,(AD)1]×斯特提棉[G.sturtianum willis,2n=2x=26,C_1]和海岛棉[G.barbadense L.,2n=4x=52,(AD2)]×斯特提棉二个种间杂种F_1花粉母细胞减数分裂时的染色体行为,并观测了杂种F_1的花粉粒大小和生活力。根据各杂交组合染色体配对表现,讨论了这些棉种间的亲缘关系和棉花种间杂种的利用问题。Two interspecific Pi hybrids of cotton: Gossypium hirsutum L. 2n=4x=52, (AD) 1) XG. sturt ianum willis (2n = 2x=26, C1) and G, barbadense L. (2n = 4x=52, (AD) 2) X G. sturtanum willis were analysed for their chromosome behaviour in the meiosis of pollen mother cells (PMC). and observations on the pollen size and viability of the Fl hybrids. Based on the performance of chromo some pairing of Fl hybrids, the evolutionary relationship among the cotton studied was discussed. The utilization of cotton interspecific hybrids was also discussed.

关 键 词：棉属 种间杂种 细胞学 多分孢子 生活力 

分 类 号：N55[自然科学总论]