Legume Research

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Legume Research, volume 26 issue 4 (december 2003) :

ETEROSIS AND COMBINING ABILITY STUDIES IN URDBEAN {VIGNA MUNGO (L.) HEPPER}

Krishnan A. Gopi, Reddisekhar M., Reddy K. Raja, Reddy K. Subrarnanyarn
1Department of Genetics and Plant Breeding, S.V. Agricultural College, Tirupati - 517 502, India

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Cite article:- Gopi A. Krishnan, M. Reddisekhar, Raja K. Reddy, Subrarnanyarn K. Reddy (2024). ETEROSIS AND COMBINING ABILITY STUDIES IN URDBEAN {VIGNA MUNGO (L.) HEPPER}. Legume Research. 26(4): . doi: .

ABSTRACT

Heterosis and combining ability studies carried out in a 8 x 8 dianel of urdbeanrevealed the highest heterosis and heterobeltiosis of 185,74% and 153,94% respectively for seed yield per plant in the hybrid K-4686 x HPU-7, High heterosis for seed yield was manifested through components heterosis viz pods/plant and clusters/plant. Estimation of components of variance revealed the predominance of non-additive gene action for all the characters under study. The parents PLU-460 and BGP69 were the best combiners for seed yield/plant, pods/plant and cluster/plant while K-4686 and BGP-69 for earliness. The crosses K-4686 x HPU-7, BGP-230 x BGP-69, NP-1l-19 x BGP-69, PLU-710 x SGP69 and PLU-460 x BGP-230 were identified as best specific combiners for seed yield and its components.

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