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This research aims to evaluate genetic variability and heritability in F8 advanced breeding lines of groundnut for crop improvement.

June 23, 2026

GENETIC VARIABILITY, HERITABILITY AND GENETIC ADVANCE IN F8 ADVANCED BREEDING LINES OF GROUNDNUT (Arachis hypogeaea L.)

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Randomized trial assesses genetic variability and heritability in groundnut lines, suggesting potential for selection improvements.

This research aims to evaluate genetic variability and heritability in F8 advanced breeding lines of groundnut for crop improvement.
Twenty-three advanced breeding lines were evaluated across four environments using a randomized complete block design.
Analysis of variance was conducted for all traits using SAS software.
Significant genotype x location interaction was observed indicating environmental influences.
High heritability estimates (63.26-84.33) for all traits were documented.
Pod weight per plant indicated the highest phenotypic coefficient of variation (24.88%) and genotypic coefficient of variation (22.85%).
A genetic advance of 37.25 for pod weight suggests additive gene control, making selection feasible.

A et al. (2015) studied this question.

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