Karyo-morphological characterization of natural genetic variation in some threatened cymbidium species of northeast india

Santosh Kumar Sharma; Khedasana Rajkumari; Suman Kumaria; Pramod Tandon; Satyawada Rama Rao

doi:10.1080/00087114.2010.10589713

Karyo-morphological characterization of natural genetic variation in some threatened cymbidium species of northeast india

Santosh Kumar Sharma, Khedasana Rajkumari, Suman Kumaria, Pramod Tandon, Satyawada Rama Rao

Research output: Contribution to journal › Article › peer-review

Abstract

Karyo-morphological studies have been carried out in three different species of the genus Cymbidium from North-eastern India. The somatic chromosome number (2n = 40) has been recorded in all the three species with distinct inter-speciﬁ c variation in the arm ratio of few homologous pairs in the complements. The karyotypes of the species were more or less symmetrical. The signiﬁcance of karyotypic variation in speciation of the genus Cymbidium has been discussed.

Original language	English
Pages (from-to)	99-105
Number of pages	7
Journal	Caryologia
Volume	63
Issue number	1
DOIs	https://doi.org/10.1080/00087114.2010.10589713
Publication status	Published - 1 Jan 2010
Externally published	Yes

Keywords

Heteromorphic chromosome
Karyotype
Mitosis
Orchidaceae
Symmetry

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10.1080/00087114.2010.10589713

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abstract = "Karyo-morphological studies have been carried out in three different species of the genus Cymbidium from North-eastern India. The somatic chromosome number (2n = 40) has been recorded in all the three species with distinct inter-speciﬁ c variation in the arm ratio of few homologous pairs in the complements. The karyotypes of the species were more or less symmetrical. The signiﬁcance of karyotypic variation in speciation of the genus Cymbidium has been discussed.",

keywords = "Heteromorphic chromosome, Karyotype, Mitosis, Orchidaceae, Symmetry",

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AU - Sharma, Santosh Kumar

AU - Rajkumari, Khedasana

AU - Kumaria, Suman

AU - Tandon, Pramod

AU - Rao, Satyawada Rama

PY - 2010/1/1

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AB - Karyo-morphological studies have been carried out in three different species of the genus Cymbidium from North-eastern India. The somatic chromosome number (2n = 40) has been recorded in all the three species with distinct inter-speciﬁ c variation in the arm ratio of few homologous pairs in the complements. The karyotypes of the species were more or less symmetrical. The signiﬁcance of karyotypic variation in speciation of the genus Cymbidium has been discussed.

KW - Heteromorphic chromosome

KW - Karyotype

KW - Mitosis

KW - Orchidaceae

KW - Symmetry

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VL - 63

SP - 99

EP - 105

JO - Caryologia

JF - Caryologia

IS - 1

ER -

Karyo-morphological characterization of natural genetic variation in some threatened cymbidium species of northeast india

Abstract

Keywords

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