Intraspecific nuclear DNA variation in pigeonpea (Cajanus cajan (L.) Millsp.) and pea (Pisum sativum L.)

Tyagi, S. D. ; Gupta, P. K. (1991) Intraspecific nuclear DNA variation in pigeonpea (Cajanus cajan (L.) Millsp.) and pea (Pisum sativum L.) Indian Journal of Genetics and Plant Breeding, 51 (3). pp. 357-362. ISSN 0019-5200

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Abstract

The nuclear DNA content was estimated in 13 varieties each of pigeonpea (Cajanus cajan (L.) Millsp.) and pea (Pisum sativum L.) using Fuelgen cytophotometry. Data were recorded on 25 2C and 4C nuclei in each accession with two replications. Significant differences were found among the varieties of the same species. DNA density (DNA content/nuclear area) increased with increase in DNA content. 4C nuclei exhibited higher density than 2C nuclei in each case. The 2C DNA values computed from 4Cnuclei were slightly lower than those estimated from 2C nuclei directly.

Item Type:Article
Source:Copyright of this article belongs to Scientific Publishers.
Keywords:Pigeonpea; Pea; Intraspecific Variation; Nuclear DNA Content
ID Code:74996
Deposited On:20 Dec 2011 10:09
Last Modified:20 Dec 2011 10:09

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