Evaluation of genetic divergence and heritability in pea ([i]Pisum sativum[/i] L.)
Journal Title: Journal of BioScience and Biotechnology - Year 2016, Vol 5, Issue 1
Abstract
An experiment on genetic evaluation of five genotypes of forage pea (Glyans, Svit, Kamerton, Modus, Pleven 4) was conducted during 2012-2014 period. Analysis of variance showed significant differences among genotypes for the traits pod width, seeds per plant, seed weight per plant and 1000 seed weight. The estimates of genetic parameters of five varieties of [i]Pisum sativum[/i] L. indicated a good amount of genetic variation in the experimental materials under investigation. Moderate phenotypic and genotypic coefficients of variation were observed for most of traits except pod length and pod width. For the traits studied seeds per plant, seed weight per plant and plant height were found high heritability along with high genetic gain indicating preponderance of additive effects. Therefore, selection programme based on these characters would be more effective in improving yield parameters of forage pea. The seed yield was positively and significantly correlated with 1000 seed weight and pod stem, which suggested the possibilities of improving seed yield by simultaneous improvement of these traits.
Authors and Affiliations
Natalia Georgieva, Ivelina Nikolova, Valentin Kosev
Keywords
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