Society of Agricultural Scientists

S.V. Agricultural College, Tirupati

Acharya N.G. Ranga Agricultural University

Andhra Pradesh, India

Assessment of Genetic Variability and Correlation Studies for Yield Improvement in Sesame (Sesamum Indicum L.)

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B. SHAMITHA SREE*, D. BHARATHI, P. SRIVALLI AND B. RAMANA MURTHY

Department of Genetics and Plant Breeding, S.V. Agricultural College, ANGRAU, Tirupati-517 502.

ABSTRACT

A study was conducted in 44 sesame accessions to analyze genetic variability and character association for yield improvement in sesame. Analysis of variance indicated the existence of significant genotypic differences among the genotypes. High GCV and PCV were observed for seed yield per plant, harvest index and number of capsules per plant. High heritability coupled with high genetic advance as percent of mean was observed for number of primary branches, seed yield per plant, number of capsules per plant, harvest index and height to first capsule indicating the influence of additive and gene action. Seed yield per plant showed positive association with number of capsules per plant, harvest index, oil content and number of primary branches.

KEYWORDS: Sesame, PCV, GCV, heritability, genetic advance as per cent mean, correlation.

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