{# load django_bootstrap5#%} CCDB server
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 it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsPoaceaeOryzaOryza sativa L.

62 chromosome counts in Oryza sativa L.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Oryza perennis Moench Oryza sativa L.   24 IPCN65 Ghosh 1964
!   Oryza sativa L. Oryza sativa L. 3III + 3I,3III + 1I + 1I,4III, 6II   IPCN65 Katayama 1965 Sen 1965
  Oryza perennis Moench Oryza sativa L.   24 IPCN online Chen, R., W. Song, Z. An & X. Li. 1982a. Studies on cotton Gossypium hirsutum karyotype. Acta Bot. Sin. 24(1): 94–97.
  Oryza perennis Moench Oryza sativa L.   24 IPCN online Chen, Y. j. & H. k. Wu. 1982. A comparison of karyotypes among six Oryza species. Bot. Bull. Acad. Sin. 23: 163–183.
  Oryza perennis Moench Oryza sativa L. 12 24 IPCN online Wakasa, K. & Y. Watanabe. 1979. Haploid plant of Oryza perennis (spontanea type) induced by anther culture. Jap. J. Breed. 29: 146–150.
  Oryza sativa L. Oryza sativa L. 12   IPCN online Kumaran, K. & P. M. Menon. 1982. Cytological studies of sterility in ten indica hybrids of Olyza sativa L. Cytologia 47: 525–534.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Yao, Z. 1984. Chromosome Giemsa N-banding in rice. Acta Genet. Sin. 11: 207–210.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Cheng, Y. C., Y. C. Duan & Z. Q. Tian. 1983. A study of chromosome banding pattern analysis of chromosome in the hybrid rice and three lines. Hunan Nongye Xueyuan (J. Hunan Coll. Agric.). (2): 53–61. (In Chinese).
  Oryza sativa L. Oryza sativa L.   12,24,36,48 IPCN online Wakasa, A. 1982. Application of plant tissue culture for the breeding. Bull. Natl. Inst. Agric. Sci. 33: 121–200.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Chen, Y. j. & H. k. Wu. 1982. A comparison of karyotypes among six Oryza species. Bot. Bull. Acad. Sin. 23: 163–183.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Fukui, K. 1986. Comparison between Giemsa and orcein staining method in rice chromosomes. Kromosomo 43–44: 1398–1404.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Shu, L. H. & G. T. Qu. 1985. The karyotype analysis of rice based on somatic cells in callus. J. Wuhan Bot. Res. 3(4): 418.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Shu, L. H., W. Y. Deng & G. P. Li. 1985. The karyotype analysis of rice (Oryza sativa). J. Wuhan Bot. Res. 3(4): 413–417.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Mukherjee, P. & A. R. Debnath. 1987. Karyotypic divergence in some rice mutants (Oryza sativa L.). Proc. Indian Sci. Congr. Assoc. 74(3,VI): 100–101.
  Oryza sativa L. Oryza sativa L. 12 24 IPCN online Mukherjee, P. & A. R. Debnath. 1987. Karyotypic divergence in some rice mutants (Oryza sativa L.). Proc. Indian Sci. Congr. Assoc. 74(3,VI): 102–103.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Reddi, V. R. & B. Subba/Rao. 1989. Perspectives in chromosome analysis in rice. Aspects Pl. Sci. 10: 113–119.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Mukherjee, P. & A. R. Debnath. 1988. Gamma-ray induces asynaptic and desynaptic mutants in rice Oryza sativa L. Proc. Indian Sci. Congr. Assoc. 75(3–X): 49.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Chen, Z. j. & L. h. Zhu. 1990. Karyotype analysis of Lu Dao: an indigenous rice germplasm of Jiangsu Province. Acta Genet. Sin. 17: 1–5.
  Oryza sativa L. Oryza sativa L. 12   IPCN online Kishor, P. B. K., M. Aruna & G. M. Reddy. 1989. Plant regeneration from haploid callus of Indica rice. Proc. Indian Natl. Sci. Acad., B 55: 193–202.
  Oryza sativa L. Oryza sativa L.   12 IPCN online Hamoud, M. A., Y. A. Hassan, W. Nagl & E. E. Selim. 1991. C-Banded karyotypes of seven cultivars of Oryza sativa. Cytologia 56: 319–325.
  Oryza sativa L. Oryza sativa L.   36 IPCN online Annie, P. T. & P. G. Nair. 1992. Cytology of endosperm in Oryza sativa L. and O. malampuzhensis Krishn. et Chandr. Cytologia 57: 265–266.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Shi, Y., J. Draper & C. Stace. 1993. Ribosomal DNA variation and its phylogenetic implication in the genus Brachypodium (Poaceae). Pl. Syst. Evol. 188: 125–138.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Ma, D. h. 1995. Primary research on the karyotypes of four cultivars of rice in Ningxia. J. Ningxia Agric. Coll. 16(2): 75–78.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Duan, C. z., N. s. Zhuang & J. d. Li. 1994. A study of the satellite banding on chromosomes of rice (Oryza sativa L.). J. SouthW. Agric. Univ. 16(4): 387–389.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Yan, H. h., H. y. Hu, Q. Fu, H. y. Yu, S. x. Tang, Z. m. Xiong & S. k. Min. 1996. Morphological and cytogenetical studies of the hybrids between Oryza sativa and O. officinalis. Chin. J. Rice Sci. 10(3): 138–142.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Hu, W. h., L. h. Su, Y. c. Song, L. l. Zhu & G. c. He. 2000. Chromosome identification in a hybrid of Oryza sativa @x O. officinalis by genomic in situ hybridization. J. Wuhan Bot. Res. 18(2): 81–89.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Zhang, C. s. 1998. A preliminary study on making plant chromosomal specimens using peppermint oil compound as pretreatment agent. J. Wuhan Bot. Res. 16(3): 280–282.
  Oryza sativa L. Oryza sativa L.   24-25 IPCN online Mukherjee, P. & S. Biswas. 1979. Karyomorphological studies of ten strains of long duration rice suitable for lowland situations. Proc. Indian Sci. Congr. Assoc. (III, E) 66: 66.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Dolores, R. C., T. T. Chang & D. A. Ramirez. 1979. The cytogenetics of Fl hybrids from Oryza nivara Sharma & Shastry X O. sativa L. Cytologia 44: 527–540.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Krishnamurthy, I. V. 1978. Karyomorphological studies in some paddy varieties (Oryza sativa Linn.). Proc. Indian Sci. Congr. Assoc. (III, C) 65: 101.
  Oryza sativa L. Oryza sativa L.   12,24,36,48 IPCN online Kurata, N., T. Omura & N. Iwata. 1981a. Studies on cetromere, chromomere and nucleolus in pachytene nuclei of rice, Oryza sativa, microsporocytes. Cytologia 46: 791–800.
  Oryza sativa L. Oryza sativa L.   24 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.
  Oryza sativa L. Oryza sativa L.   24 IPCN online Nakayama, S. 2005. Molecular cytological diversity in cultivated rice Oryza sativa subspecies japonica and indica. Breed. Sci. 55: 425–430.
!   Oryza sativa L. Oryza sativa L.   24 IPCN online Suzuki, H., Y. Futsuhara, F. Takaiwa & N. Kurata. 1991. Localization of glutelin gene in rice chromosome by in situ hybridization. Jap. J. Genet. 66: 305–312.
!   Oryza sativa L. Oryza sativa L.   24 IPCN online Dane, F. & C. Meric. 2005. Cytological and embryological studies of anther in rice (Oryza sativa) cv. 'Rocca'. Acta Bot. Hung. 47(3–4): 257–272.
!   Oryza perennis Moench Oryza sativa L. 12   IPCN66 Katayama 1966a, b
!   Oryza sativa L. Oryza sativa L.   24 IPCN66 Mitsukuri 1966
!   Oryza sativa L. Oryza sativa L. 12   IPCN66 Katayama 1966a, b
!   Oryza sativa f. spontanea Roshev. Oryza sativa L. 12   IPCN66 Katayama 1966a, b
  Oryza sativa L. Oryza sativa L.   24 IPCN72 NISHI, T., & s. MITSUOKA. 1969. Occurrence of various ploidy plants from anther and ovary culture of rice plant. Jap. J. Genet. 44: 341-346.
!   Oryza perennis Moench Oryza sativa L.   24 IPCN67-71 GOULD, F.W., & T.R. SODERSTROM. 1970. Chromosome numbers of some Mexican and Colombian grasses. Canad. J. Bot. 48: 1633-1639.
  Oryza sativa L. Oryza sativa L. 12   IPCN67-71 OKA, H. -s. 1968. Preferential pairing of 'chromosomes in a tetraploid hybrid between Oryza glaberrima and Q. sativa. Canad. J. Genet. Cytol. 10: 527-535.
!   Oryza sativa L. Oryza sativa L. 12   IPCN67-71 BASAK, S.L., & S. DANA. 1967. Structural differentiation in natural populations of Oryza sativa species complex. Nucleus 10: 15-22.
  Oryza sativa L. Oryza sativa L.   23, 24, 25, 26, 38 IPCN67-71 KATAYAMA, T. 1964. Relationship between seed-weight and somatic chromosome number in the progeny of partially asynaptic rice plants. Occurence of trisomic and monosomic plants. Jap. J. Breeding 16: 10-14.
!   Oryza sativa var. plena Prain Oryza sativa L. 11 13 IPCN75-78 NA
!   Oryza perennis Moench Oryza sativa L. 12   IPCN73-74 DAVIDSE, G., & R.W. POHL. 1974. Chromosome numbers, meiotic behavior, and notes on tropical American grasses (Gramineae). Canad. J. Bot. 52: 317-328.
  Oryza sativa L. Oryza sativa L.   22, 23, 24 IPCN73-74 RAZZAQUE, C.A. 1973. Cytological studies in a sterile type of rice. Bangladesh J. Bot. 2: 113-117.
!   Oryza sativa L. Oryza sativa L.   24 IPCN73-74 WATANABE, Y., & S. ONO. 1973. Cytogenetic studies on the artificial polyploids in the genus Oryz{. sterile amphiploids, sativa-officinalis- (AACC). Jap. J. Breeding 23 2): 67-70.
  Oryza sativa L. Oryza sativa L.   24 IPCN73-74 GOULD, F.W., & T.R. SODERSTROM. 1974. Chromosome numbers of some Ceylon grasses. Canad. J. Bot. 52: 1075-1090.
!   Oryza sativa L. Oryza sativa L.   24 eFlora  
!   Oryza formosana Masam. & Suzuki Oryza sativa L.   24 Darlington, 1955  
!   Oryza perennis Moench Oryza sativa L.   24 Darlington, 1955 Gotoh & O. 1933
!   Oryza formosana Masam. & Suzuki Oryza sativa L.   24 Cave1958 Mitsukuri et al. 1958
!   Oryza perennis Moench Oryza sativa L.   24 Cave1958 Mitsukuri et al. 1958
  Oryza sativa L. Oryza sativa L.   12 Cave1958 Hu, 1958
  Oryza sativa L. Oryza sativa L.   12, 24 Cave1958 Mitsukuri et al. 1958
!   Oryza perennis Moench Oryza sativa L.   24 Cave1962 Bouharmont 1962
  Oryza sativa L. Oryza sativa L. 12   Cave1962 Hu 1962
  Oryza sativa L. Oryza sativa L.   24 Cave1962 Bouharmont 1962
!   Oryza sativa f. spontanea Roshev. Oryza sativa L. 12   Cave1962 Hu 1962
!   Oryza sativa L. Oryza sativa L. 12   Cave1963 Sen 1963
!   Oryza sativa L. Oryza sativa L.   24 Cave1963 Larsen 1963b