Selection and Identification of the SAT-chromosome Primary Trisomic of Flowering Chinese Cabbage

ACTA HORTICULTURAE SINICA ›› 2011, Vol. 38 ›› Issue (8): 1553-1556.

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Selection and Identification of the SAT-chromosome Primary Trisomic of Flowering Chinese Cabbage

SHEN Er-qiao，ZHANG Cheng-he*，LI Xiao-feng，XUAN Shu-xin，and SHEN Shu-xing

College of Horticulture，Agricultural University of Hebei，Baoding，Hebei 071001，China

Received:2011-05-06 Revised:2011-07-11 Online:2011-08-25 Published:2011-08-25
Contact: ZHANG Cheng-he*

Abstract

Abstract: The flowering Chinese cabbage cultivar‘Qinglu Caixin’was used for the satellite-chromosometrisomic（SAT-trisomic）selection by karyotype analysis and morphological identification from the backcross progeny of triploid（2n = 3x = 30）× diploid parent（2n = 2x = 20）. The results showed that one SAT-trisomic was obtained from the 374 progeny identified by chromosome examination and karyotype analysis. Development of the SAT-trisomic was almost normal，but its stigma was above the stamen. Transmission rate of the extra SAT-chromosome was 6.04% by female gametes and 3.20% by male gametes.

Key words: flowering Chinese cabbage, SAT, chromosome, primary trisomics, karyotype analysis

CLC Number:

S 634.5

SHEN Er-qiao;ZHANG Cheng-he;LI Xiao-feng;XUAN Shu-xin;and SHEN Shu-xing. Selection and Identification of the SAT-chromosome Primary Trisomic of Flowering Chinese Cabbage[J]. ACTA HORTICULTURAE SINICA, 2011, 38(8): 1553-1556.

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Selection and Identification of the SAT-chromosome Primary Trisomic of Flowering Chinese Cabbage

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