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Indian Journal of Genetics and Plant Breeding (The)
Year : 2019, Volume : 79, Issue : 3
First page : ( 622) Last page : ( 625)
Print ISSN : 0019-5200. Online ISSN : 0975-6906.
Article DOI : 10.31742/IJGPB.79.3.13

Hybridity testing and heterosis in relation to genetic divergence in chickpea (Cicer arietinum L.) under rice based cropping system

Johnson Pyare Lal*, Sharma Raj Narayan, Nanda Hem Chand

Department of Genetics and Plant Breeding, College of Agriculture, Indira Gandhi Krishi Vishwavidyalaya, Raipur, 492 012, Chhattisgarh

*Corresponding author's e-mail: pyrejohnson@gmail.com

Online published on 14 November, 2019.

Abstract

The present investigation was carried out to determine the genetic purity of the crosses in chickpea using SSR markers. The application of molecular markers SSR21 and SSR22 in F1 hybrids and their parental lines produced two bands indicating similarity among the hybrids and parental lines. The mixtures and off-types did not show similar banding pattern as compared to hybrids. The D2 analysis showed high amount of genetic diversity among parents and parental lines. The value of heterosis in a cross, JG 315 x ICCV 96029 was positive significantly higher for days to 50% flowering, days to maturity, secondary branches plant−1, pods plant, biological yield and seed yield plant−1, however, it was significantly negative only for 100 seed weight.

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Keywords

Genetic variability, parental diversity, hybridity, rice based cropping system and chickpea.

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