辣椒四个品种的核型研究

KARYOTYPE STUDIES ON FOUR BUSH REDPEPPER CULTIVARS(CAPSICUM ANNUUM L.)

摘要: 本文对我国栽培辣椒Capsicum annuum L.的四个品种即汉川椒、华椒一号、牛角椒和二金条进行了核型分析,其染色体数目均为2n=2x=24,核型公式均为2n=24=20m+2sm+2st,但汉川椒和华椒一号具一对随体,牛角椒和二金条具两对随体。本文还对它们的进化关系进行了讨论。

Abstract: The karyotypes of four cultivars(Hanchuan Jiao, Hua Jiao Yihao, Niu Jiao Jiao and Er Jin Tiao)in the bush redpepper(Capsicum annuum L.)are reported in the paper. The karyotypes of all cultivars are all 2n=24=20m+2sm+2st, with difference in number of satellite chromosomes. Hanchuan Jiao and Hua Jiao Yihao have one pair of satellite chromosomes, but Niu Jiao Jiao and Er Jin Tiao have two paris. The relationship is also discussed.