Chief Editor:

J. S. Sandhu

Vice Chancellor, SKN Agriculture, University, Jobner, VC, NDUAT, Faizabad, Deputy Director General (Crop Science), Indian Council of Agricultural Research (ICAR), New Delhi

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GENOTYPE X ENVIRONMENT INTERACTIONS AND HERITABILITY FOR QUANTITATIVE CHARACTERS IN MACROSPERMA X MICROSPERMA DERIVED LINES OF LENTIL

Vir Om*, Gupta V.P.

Affiliations

¹Department of Plant Breeding, Himachal Pradesh Krishi Vishvavidyalya, Palampur - 176 062, India

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Cite article:- Om* Vir, V.P. Gupta (2025). GENOTYPE X ENVIRONMENT INTERACTIONS AND HERITABILITY FOR QUANTITATIVE CHARACTERS IN MACROSPERMA X MICROSPERMA DERIVED LINES OF LENTIL. Legume Research. 23(3): . doi: .

ABSTRACT

Twenty eight advanced, elite breeding lines of four macrosperma x microsperma crosses selected on the basis of high seed yield per plant in the background of bold seed size alongwith two checks were evaluated to study the behaviour of stability parameters with respect to six quantitative characters in ten environments. Both linear and non-linear components of g x e interactions were found to be significant but linear component was predominant over non-linear component of g x e interactions for all studied six characters. The genotype HPLC 8882 was observed io be dwarfer and stable in plant height. None of the studied genotypes was found to be stable for branches per plant, fertile nodes per plant, pods per plant, pods per nod and seeds per node. The estimates of heritability across environments for all studied characters has a wide range form low in poor environment, where expression is limited, to high in the best environment. The non-significant correlation between regression coefficient (β1) and deviation from regression (S2di) of studied characters indicated that the stability parameters in lentil appeared to be governed by different gene and gene combinations for these characters.

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