Legume Research

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Legume Research, volume 30 issue 3 (september 2007) : 173 - 179

STUDIES ON COMBINING ABILITY FOR YIELD AND YIELD TRAITS IN INTER SUBSPECIES CROSSES OF COWPEA (VIGNA UNGUICULATA SSP. UNGUICULATA AND VIGNA UNGUICULATA SSP. SESQUIPEDALIS)*

G. Valarmathi, C. Surendran, AR. Muthiah
1Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore- 641 003, India

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Cite article:- Valarmathi G., Surendran C., Muthiah AR. (2024). STUDIES ON COMBINING ABILITY FOR YIELD AND YIELD TRAITS IN INTER SUBSPECIES CROSSES OF COWPEA (VIGNA UNGUICULATA SSP. UNGUICULATA AND VIGNA UNGUICULATA SSP. SESQUIPEDALIS)*. Legume Research. 30(3): 173 - 179. doi: .

ABSTRACT

Nine genotypes from Vigna unguiculata ssp. unguiculata (grain type) as female parents and four genotypes from Vigna unguiculata ssp. sesquipedalis (vegetable type) as male parents were recombined through line × tester mating design. There was preponderance of SCA variance over the GCA variance for all the twelve characters studied, suggesting the predominant role of non-additive gene action. The parents belonging to Vigna unguiculata ssp. unguiculata namely GP1024, GP1238 and GP739 and (Vaijayanthi) and VS 33 of Vigna unguiculata ssp. sesquipedalis were identified as the best combiners for green pod yield. The hybrid combinations L9 × T4 (GP 1231 × VS 33), L4 × T3 (GP1024 × Vaijayanthi), L6 × T3 (GP 739 × Vaijayanthi) and L3 × T2 (GP 1126 × Lola) were worth pursuing further in view of their best performance and high sca effects for green pod yield. Among the testers, red poded varieties were alone identified as good combiners for green pod yield.

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