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Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics







CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.


CCDB → Angiosperms → Brassicaceae → Brassica → Brassica napus L.

130 chromosome counts in Brassica napus L.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Brassica napus L. Brassica napus L.   38 British Isles cytology Al-Bermani, A.-K.K.A., Al-Shammary, K.I.A., Bailey, J.P., Gornall, R.J. Watsonia 19: 269-271 (1993)
!   Brassica napus L. Brassica napus L.   38 derived fro flora of NW Europe http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2379
!   Brassica napus L. Brassica napus L.   38 flora of NW Europe http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2380
!   Brassica napus L. Brassica napus L.   38 Flora Europaea Bijok, 1959
  Brassica napus L. Brassica napus L. 10   IPCN online  
  Brassica napus L. Brassica napus L.   38 IPCN online Li, R. q. 1989. Studies on Karyotypes of Vegetables in China
  Brassica napus L. Brassica napus L. 19   IPCN online Lan, Y. z. 1986. Chromosome numbers of Brassicaceae (Cruciferae) in China. Acta Phytotax. Sin. 24: 268–272.
  Brassica napus L. Brassica napus L. 20   IPCN online Hill, M. 1982. In: IOPB chromosome number reports LXXIV. Taxon 31: 128.
  Brassica napus L. Brassica napus L.   38 IPCN online Du, X. & Z. j. Tang. 1989. The analysis of karyotype as an aid in tracing the evolution and relations among the six species of oil-seed rape. J. SouthW. Agric. Univ. 11: 275–278.
  Brassica napus L. Brassica napus L. 9, 19   IPCN online Hosaka, K., S. F. Kianian, J. M. McGrath & C. F. Quiros. 1990. Development and chromosomal localization of genome-specific DNA markers of Brassica and the evolution of amphidiploids and n = 9 diploid species. Genome 33: 131–142.
  Brassica napus L. Brassica napus L.   38 IPCN online Olin-Fatih, M. & W. K. Heneen. 1992. C-Banded karyotypes of Brassica campestris, B. oleracea, and B. napus. Genome 35: 583–589.
  Brassica napus L. Brassica napus L.   38 IPCN online Tang, Z. J. & X. Du. 1987. Karyotype analyses of six species of oil-seed Brassica. J. SouthW. Agric. Univ. 9(1): 59–65.
  Brassica napus L. Brassica napus L.   38 IPCN online Xiao, C. h. & F. x. He. 1985. A preliminary analysis of the cytological technique and the karyotypes of the three main groups of oil-seed Brassica. Oil Crops China 1985(1): 11–14.
  Brassica napus L. Brassica napus L.   38 IPCN online Lan, Z. q., J. m. Xu, Y. Yang, X. f. Li, J. Huang & X. h. Lian. 1994. Application of the database of chromosome image analysis in taxonomical studies of Brassicaceae. Acta Phytotax. Sin. 32(1): 41–48.
  Brassica napus L. Brassica napus L.   38 IPCN online Yang, G. s., G. Röbbelen & T. d. Fu. 1994. The effect of B genome on the chromosome pairing relationship between the three homologous genomes A, B and C in Brassica. J. Huazhong Agric. Univ. 13(2): 111–117.
  Brassica napus L. Brassica napus L.   38 IPCN online Li, Z. y., H. l. Liu, J. g. Wu & P. Luo. 1996. Somaclonal variations of intergeneric hybrids between Brassica napus and Orychophragmus violaceus. Acta Genet. Sin. 23(4): 315–321.
  Brassica napus L. Brassica napus L.   38 IPCN online Koch, M., J. Bishop & T. Mitchell-Olds. 1999. Molecular systematics and evolution of Arabidopsis and Arabis. Pl. Biol. (Stuttgart) 1: 529–537.
  Brassica napus L. Brassica napus L.   38 IPCN online Vasilenko. 2003. Obtaining and the analysis of intergeneric somatic hybrids between Brassica napus and the 'Albino' line of Orychophragmus violaceus. Citol. & Genet. 37(1): 3–10.
  Brassica napus L. Brassica napus L.   38 IPCN online Kiehn. 2000. In K. Pascher, S. Macalka-Kampfer & H. Reiner, Vegetationsökologische und genetische Grundlagen für die Risiko-Beurteilung von Freisetzungen von Transgenem Raps und Vorschläge für ein Monitoring. Forschungsber. Bundesminist. Soziale Sicherheit Generationen Sekt. IX 7: 46.
!   Brassica napus L. Brassica napus L.   28 IPCN online Xu, L. y., P. Luo & Z. q. Lan. 1996. A study on distant hybridization between Brassica napus and Raphanus sativus var. oleifera and the formation of amphidiploids. Acta Genet. Sin. 23(2): 124–130.
!   Brassica napus L. Brassica napus L. 19   IPCN online Sheidai, M., Z. Noormohamadi, N. Mirabdolbaghi-Kashani & M.-R. Ahmadi. 2003. Cytogenetic study of some rapeseed (Brassica napus L.) cultivars and their hybrids. Caryologia 56(4): 387–397.
!   Brassica napobrassica Mill. Brassica napus L.   38 IPCN online Li, R. q. 1989. Studies on Karyotypes of Vegetables in China
!   Brassica napobrassica Mill. Brassica napus L. 19   IPCN online Lan, Y. z. 1986. Chromosome numbers of Brassicaceae (Cruciferae) in China. Acta Phytotax. Sin. 24: 268–272.
!   Brassica napus subsp. oleifera (Moench) DC. Brassica napus L.   38 IPCN online Al-Bermani, A. K. K. A., K. I. A. Al-Shammary, R. J. Gornall & J. P. Bailey. 1993. Contribution to a cytological catalogue of the British and Irish flora, 3. Watsonia 19: 169–171.
!   Brassica napus subsp. oleifera (Moench) DC. Brassica napus L.   38 IPCN online Chen, R. y., W. q. Song, X. l. Li, M. x. Li, G. l. Liang, Z. p. An, C. b. Chen, Z. x. Qi & Y. z. Sun. 2003. Chromosome Atlas of Major Economic Plants Genome in China, Vol. 2, Chromosome Atlas of Crops and their Wild Kindred Plants in China Relatives. Science Press, Beijing.
  Brassica napus var. oleifera DC. Brassica napus L. 19   IPCN online Kamala, T. 1976. Nucleolus organizing chromosomes in Brassica and their bearing on the phylogeny of the genus. Cytologia 41: 615–620.
!   Brassica napus subsp. napobrassica (L.) Jafri Brassica napus L.   38 IPCN online Hasterok, R., E. Wolny, M. Hosiawa, M. Kowalczyk, S. Kulak-Ksiazczyk, T. Ksiazczyk, W. K. Heneen & J. Maluszynska. 2006. Comparative analysis of rDNA distribution in chromosomes of various species of Brassicaceae. Ann. Bot. (Oxford) 97: 205–216.
  Brassica napus subsp. napus Brassica napus L. 20   IPCN online Khatoon, S. & S. I. Ali. 1993. Chromosome Atlas of the Angiosperms of Pakistan. Department of Botany, University of Karachi, Karachi.
!   Brassica napus subsp. napus Brassica napus L.   38 IPCN online Hasterok, R., E. Wolny, M. Hosiawa, M. Kowalczyk, S. Kulak-Ksiazczyk, T. Ksiazczyk, W. K. Heneen & J. Maluszynska. 2006. Comparative analysis of rDNA distribution in chromosomes of various species of Brassicaceae. Ann. Bot. (Oxford) 97: 205–216.
  Brassica napus L. Brassica napus L. 19   IPCN72 HARBERD, D.J. 1972. A contribution to the cytotaxonomy of Brassica (Cruciferael and its allies. Bot. J. Linn. Soc. 65: 1-23.
!   Brassica campestris var. dichotoma Duthie & Fuller Brassica napus L. 9 10 IPCN75-78 NA
!   Brassica campestris var. dichotoma Duthie & Fuller Brassica napus L. 10 20 IPCN75-78 Sharma 1970
!   Brassica campestris var. oleifera (Moench) Prain Brassica napus L. 10   IPCN75-78 Kamala 1976
!   Brassica campestris var. toria Duthie & Fuller Brassica napus L. 9 10 IPCN75-78 NA
  Brassica napus L. Brassica napus L. 10   IPCN75-78 Aryavand 1976b
!   Brassica napus var. oleifera (Moench) Delile Brassica napus L. 19   IPCN75-78 Kamala 1976
!   Brassica napus L. Brassica napus L.   38 IPCN73-74 MCNAUGHTON, I.H. 1973. Brassica napocampestris L. (2n=58). 1. synthesis, cytology, fertility and general considerations. Euphytica 22: 301-309.
!   Brassica napus L. Brassica napus L. 19   IPCN73-74 VENKATESWARLU, J. 1972. Some observations on the genomes in Brassic Proc. Indian Sci. Congr. Assoc. 59(IV: Late Abstracts) : 71-72.
!   Brassica napus L. Brassica napus L.   38 IPCN73-74 VERMA, S.C. & H. REES. 1974. Nuclear DNA and the evolution of allotetraploid Brassicae. Heredity 33: 61-68.
!   Brassica campestris var. dichotoma Duthie & Fuller Brassica napus L.   18, 20 Kumar, 1987 Mukherjee, P. 1977a
!   Brassica campestris var. dichotoma Duthie & Fuller Brassica napus L.   20 Kumar, 1987 Mukherjee, P. 1971
!   Brassica campestris var. oleifera (Moench) Prain Brassica napus L.   29 Kumar, 1987 Kamala, T. 1976
!   Brassica campestris subsp. napobrassica (L.) Schübl. & G. Martens Brassica napus L.   18 Kumar, 1987 Prakash, S. 1973b
!   Brassica napus L. Brassica napus L.   20 Kumar, 1987 Aryavand, A. 1976
!   Brassica napus L. Brassica napus L.   32 Kumar, 1987 Laibach, F. 1907 ; Karpechenko, G.D. (Fedorov) ; Frandsen, N.H. & Winge, b. 1932 ; Morris, L.E. & Richharia, R.H. 1937 ; Frandsen, K.J. 1943
!   Brassica napus L. Brassica napus L.   38 Kumar, 1987 Morinaga, T. & Fukushima, E. 1930 ; Nagai, K. & Sasaoka, T. 1930a ; U, N. 1935 ; Morinaga, T. & Kuriyama, H. i937; Howard, H.W. 1938 ; Skdvsted, A. 1939 ; Sikka, S.M. 1940; Mitsukuti, Y. 1956, 1957 ;Bijok, K. 1959; Curran, P.L. 1962; Harberd, D.J. 1972; Verma, S;C. & Rees, H. 1974 ; Kamala, T. 1978 ; Mlyniec, W. et al. 1979
!   Brassica napus L. Brassica napus L.   40, 60, 63, 65, 67, 68 Kumar, 1987 Tokumasu, S. 1972
!   Brassica napus L. Brassica napus L. 38   eFlora  
!   Brassica napus var. napobrassica (L.) Rchb. Brassica napus L.   38 eFlora  
  Brassica napus var. napus Brassica napus L.   38 eFlora  
!   Brassica napus L. Brassica napus L.   32 Fedorov, 1974 Laibach 1907
!   Brassica napus L. Brassica napus L.   32 Fedorov, 1974 Kapne'leHRo 1924a, 1930, 1937a
!   Brassica napus L. Brassica napus L.   32 Fedorov, 1974 Frandsen, Winge 1932
!   Brassica napus L. Brassica napus L.   32 Fedorov, 1974 Frandsen 1943
!   Brassica napus L. Brassica napus L.   32 Fedorov, 1974 Morris, Richharia 1937
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Morinaga, Fukushima 1930
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Nagai, Sasaoka 1930a
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Morinaga, Kuriyama 1937
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Howard 1938
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Skovsted 1939
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Sikka 1940
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Mitsukuri 1956, 1957
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Bijok 1959
!   Brassica napus L. Brassica napus L.   38 Fedorov, 1974 Curran 1962
!   Brassica napobrassica Mill. Brassica napus L.   38 (57, 76) Fedorov, 1974 Morinaga, Kuriyama 1937
!   Brassica napus L. Brassica napus L. 10   Warwick, 2006 Aryavand
!   Brassica napus L. Brassica napus L. 16   Warwick, 2006 Laibach
!   Brassica napus L. Brassica napus L. 18   Warwick, 2006 Lan
!   Brassica napus L. Brassica napus L. 18   Warwick, 2006 Catcheside
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Lan
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Lan et al.
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Li
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Xiao & He
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Takahata & Hinata
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Mitsukuri
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Morinaga
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Morinaga & Fukushima
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 U
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Howard
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Sikka
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Sikka
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Sheidai et al.
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Kamala
!   Brassica napus L. Brassica napus L. 20   Warwick, 2006 Khatoon & Ali
!   Brassica napus L. Brassica napus L. 19   Warwick, 2006 Bijok
!   Brassica napus L. Brassica napus L. 20   Warwick, 2006 Hill
!   Brassica napus L. Brassica napus L.   32 Warwick, 2006 Bolkhovskikh et al.
!   Brassica napus L. Brassica napus L.   36 Warwick, 2006 Karpetchenko
!   Brassica napus L. Brassica napus L.   36 Warwick, 2006 Catcheside
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Ge & Zhang
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Tang & Du
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Lan et al.
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Xiao & He
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Du & Tang
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Li
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Yang et al.
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Nagai & Sasaoka
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Mitsukuri
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Howard
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Sikka
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Sikka
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Olin-Fatih & Heneen
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Li et al.
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Koch et al.
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Bijok
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Bolkhovskikh et al.
!   Brassica napus L. Brassica napus L.   38 Warwick, 2006 Al-Bermani et al.
  Brassica napus subsp. napobrassica (L.) Hanelt Brassica napus L. 19   Warwick, 2006 Lan
  Brassica napus subsp. napobrassica (L.) Hanelt Brassica napus L. 19   Warwick, 2006 Lan
  Brassica napus subsp. napobrassica (L.) Hanelt Brassica napus L.   38 Warwick, 2006 Li
!   Brassica napus L. Brassica napus L.   38 Darlington, 1955 Nagai & S. 1930 ov cult
!   Brassica napobrassica Mill. Brassica napus L.   38 Darlington, 1955 Howard 1938
!   Brassica napus subsp. napus Brassica napus L.   38 C-values database Greilhuber J. 1988. "Self-tanning" - a new and important source of stoichiometric error in cytophotometric determination of nuclear DNA content in plants. Plant Systematics and Evolution 158: 87-96.
!   Brassica campestris var. toria Duthie & Fuller Brassica napus L.   20 Cave1956 Ahuja & Bhaduri
  Brassica napus L. Brassica napus L.   38 Cave1956 Mitsukuri
!   Brassica campestris var. toria Duthie & Fuller Brassica napus L.   20 Cave1959 swam. & SUlb. 1959
!   Brassica napus var. biennis (Schübl. & Mart.) Rchb. Brassica napus L. 16   Cave1959 Raven 1959
  Brassica napus L. Brassica napus L. 9   CromoCat 2015 Hosaka, K., Kianian, S. F., McGrath, J. M. & Quiros, C. F. (1990). Development and chromosomal localization of genome-specific DNA markers of Brassica and the evolution of amphidiploids and n = 9 diploid species Genome 33: 131-142
  Brassica napus L. Brassica napus L. 20   CromoCat 2015 Hill, L. M. (1982). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXIV]. Taxon 31(1): 128.
  Brassica napus L. Brassica napus L. 19   CromoCat 2015 Hosaka, K., Kianian, S. F., McGrath, J. M. & Quiros, C. F. (1990). Development and chromosomal localization of genome-specific DNA markers of Brassica and the evolution of amphidiploids and n = 9 diploid species Genome 33: 131-142
  Brassica napus L. Brassica napus L. 19   CromoCat 2015 Lan, Y.-Z. (1986). Chromosome numbers of Brassicaceae (Cruciferae) in China Acta Phytotaxonomica Sinica 24: 268-272
  Brassica napus L. Brassica napus L. 19   CromoCat 2015 Sheidai, M., Z. Noormohamadi, N. Mirabdolbaghi-Kashani & M.-R. Ahmadi (2003). Cytogenetic study of some rapeseed (Brassica napus L.) cultivars and their hybrids. Caryologia 56(4): 387–397
  Brassica napus L. Brassica napus L. 19   CromoCat 2015 Yang-Zhen, L. (1986). Chromosome numbers of Brassicaceae (Cruciferae) in China. Acta Phytotax. Sinica 24: 268-272.
  Brassica napus L. Brassica napus L. 10   CromoCat 2015 Aryavand, A. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LII]. Taxon 25(2/3): 345-346.
  Brassica napus L. Brassica napus L.   20 CromoCat 2015 Goldblatt, P. (1981). Index to plant chromosome numbers 1975-1978 1-487
  Brassica napus L. Brassica napus L.   28 CromoCat 2015 Xu, L.-Y., P. Luo & Z.-Q. Lan. (1996). A study on distant hybridization between Brassica napus and Raphanus sativus var. oleifera and the formation of amphidiploids Acta Genetica Sinica 23(2): 124-130
  Brassica napus L. Brassica napus L.   32 CromoCat 2015 Fedorov, A. A. (1969). Chromosome numbers of flowering plants 7-927
  Brassica napus L. Brassica napus L.   36 CromoCat 2015 Majovsky, J. & al. (1978). Index of Chromosome Numbers of Slovakian Flora (Part 6) Acta Facultatis Rerum Naturalium Universitatis Comenianae Botanica 26: 1-42
  Brassica napus L. Brassica napus L.   38 CromoCat 2015 Greilhuber, J. (1988). Self-tanning a new and important source of stoichiometric error in cytophotometric determination of nuclear DNA content in plants. Pl. Syst. Evol. 158: 87-96.
!   Brassica rutabaga DC. ex H. Lév. Brassica napus L.   38 Automatic manuscript search T. Hosoda,H. Namai and J. Gotoh. 1963. "On the breeding of Brassica napus obtained from artificially induced ainphidiploids. : III. On the breeding of ynthetic rutabaga". Breeding Science 13:99-106.