Combining ability analysis for yield and quality traits in fodder cowpea (<i>Vigna unguiculata</i> (L.) Walp.)

Anitha, K.R.; Thiyagarajan, K.; Bharathi, S. Pechiappan; Rajendran, R.

doi:10.5958/0975-928x.2017.00035.7

Cited by 2 publications

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“…VS-2 x VS-43 for pod length, VS-44 x VS-47 for pod breadth, VS-2 x VS-21 for pod weight, VS-41 x VS-47 for pods per cluster, VS-2 x VS-41 for pods per plant, VS-44 x VS-47 for pod yield per plant, VS-43 x VS-47 for seeds per pod and VS-24 x VS-47 for the length of harvest period were recognised as the best specific combinations for the respective characters. Excellent specific combiners for seed yield per plant (Pandey and Singh, 2010;Pampaniya, 2017 andOwusu, 2018) and earliness (Patil and Navale, 2006;Patel et al, 2013;Ogunwale andSalami, 2017 andKumar, 2017) were obtained in cowpea. The earliness of the crop will reduce the duration of the crop which will help to fit the crop into a cropping system and also to evade drought stress.…”

Section: Lovely and Kumarmentioning

confidence: 99%

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Gene action and combining ability of yield and yield related characters in genetically diverse lines in yard long bean [Vigna unguiculata ssp. sesquipedalis (L.) Verdc.]

Kumar¹

2021

EJPB

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Ten parents were mated in partial diallel fashion to develop twenty five crosses and were evaluated along with parents in Randomised block design. All the characters studied had non-additive and additive gene action as indicated by the significant differences of analysis of variances due to specific combining ability and general combining ability. The parents VS41, VS43 and VS47 were having significant general combining ability. The crosses VS-44 x VS-47, VS-9 x VS-43 and VS-43 x VS-47 exhibited the high SCA effect for pod yield per plant. Positive sca effects combined with negative gca effects of the respective parents were noticed for days to 50 per cent flowering in many hybrids suggesting the preponderance of dominance gene action.

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Section: Lovely and Kumarmentioning

confidence: 99%

“…**Significant at 1% level The characters length and breadth of pods and seeds per pod had higher sca variance, designating predominance of dominant gene action. A significant role of non-additive gene action in inheritance of yield and most of the characters was observed in cowpea byKumari and Chauhan (2018),Mwale et al (2017) andPampaniya, (2017).…”

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confidence: 99%

Gene action and combining ability of yield and yield related characters in genetically diverse lines in yard long bean [Vigna unguiculata ssp. sesquipedalis (L.) Verdc.]

Kumar¹

2021

EJPB

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Comprehensive Analysis of Combining Ability and Genetic Parameters for Green Fodder Yield and Quality Traits in Indian Cowpea (Vigna unguiculata L.)

THAKUR,

THAILAPPAN,

RAMAMOORTHY

et al. 2024

Preprint

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Target traits in hybrid breeding programs are crucial as they are highly responsive to gene action and combining ability. The line × tester method aids in understanding the genetic interactions influencing these traits, enabling the development of superior hybrids by selecting parent combinations that optimize heterosis or hybrid vigor. The study involved 23 forage cowpea genotypes and 3 testers, resulting in 69 F1 hybrids produced at Tamil Nadu Agricultural University, Coimbatore. The experiment was conducted over two cropping seasons (2023–2024) at the New Area Farm Experimental Station. A Randomized Complete Block Design (RCBD) with three replications was employed. The line × tester interaction was highly significant for all traits, indicating the impact of additive and non-additive gene expression variations. Notably, specific genotypes displayed significant General Combining Ability (GCA) effects: GETC 21 for Crude Protein (CPR), GETC 49 for Number of Leaves (NOL) and CPR, and CL 348 for Dry Matter Yield (DMY) and Crude Fiber (CFR). Additionally, hybrids demonstrated substantial Specific Combining Ability (SCA) effects, particularly CS 98 × CO 9 and CL 321-1 × CO(FC) 8 for DMY, and GETC 49 × CO(FC) 8 and GETC 49 × CO 9 for days to fifty percent flowering (DFF). Mid-parent heterosis was evident, with IFC 9402 × CO(FC) 8 showing the highest heterosis for plant height and FD 1052 × TNFC0926 for CPR. These results underscore the importance of selecting lines and testers with high GCA and hybrids with high SCA to enhance Green Forage Yield (GFY), DMY, CPR, CFR, and NOL in forage cowpea. This approach promises the development of new, high-yielding, and nutritionally superior cowpea varieties.

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Combining ability analysis for yield and quality traits in fodder cowpea (Vigna unguiculata (L.) Walp.)

Cited by 2 publications

References 0 publications

Gene action and combining ability of yield and yield related characters in genetically diverse lines in yard long bean [Vigna unguiculata ssp. sesquipedalis (L.) Verdc.]

Gene action and combining ability of yield and yield related characters in genetically diverse lines in yard long bean [Vigna unguiculata ssp. sesquipedalis (L.) Verdc.]

Comprehensive Analysis of Combining Ability and Genetic Parameters for Green Fodder Yield and Quality Traits in Indian Cowpea (Vigna unguiculata L.)

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