Identification of the Double Trisomic and Its Primary Trisomics in Cabbage

ACTA HORTICULTURAE SINICA ›› 2005, Vol. 32 ›› Issue (4): 695-697.

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Identification of the Double Trisomic and Its Primary Trisomics in Cabbage

Zhu Haiyan;Zhang Chenghe;Shen Shuxing;Wang Dongping;Guo Lijuan

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

Received:2004-09-13 Revised:2005-02-21 Online:2005-08-25 Published:2005-08-25

Abstract

Abstract: An aneuploid plant with 2n + 2 = 20 chromosomes was obtained from progenies of 3 ×2x in cabbage. By meiosis observation and karyotype analysis, the aneuploid plant was showed a double trisomics with extra chromosomes No.1 and No.4 which come from this double trisomics, the primary trisomic-1 and primary trisomic-4 were obtained. The two primary trisomics were obviously different in plant hight and anthesis. The transfer rate of n + 1 female gameteswas 8.89% in trisomic21 and 11.54% in trisomic-4.

Key words: Cabbage, Double trisomics, Primary trisomic

CLC Number:

S 635.1

Zhu Haiyan;Zhang Chenghe;Shen Shuxing;Wang Dongping;Guo Lijuan. Identification of the Double Trisomic and Its Primary Trisomics in Cabbage[J]. ACTA HORTICULTURAE SINICA, 2005, 32(4): 695-697.

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Identification of the Double Trisomic and Its Primary Trisomics in Cabbage

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