World Journal of Agricultural Research
ISSN (Print): 2333-0643 ISSN (Online): 2333-0678 Website: Editor-in-chief: Rener Luciano de Souza Ferraz
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World Journal of Agricultural Research. 2019, 7(3), 88-93
DOI: 10.12691/wjar-7-3-2
Open AccessArticle

Gene Actions and Combining Ability Analysis for Some Seed Characters in Citrullus Mucosospermus (Fursa)

Kouakou Fulgence Brou1, , Koffi Adjoumani2, Saraka Didier Martial Yao3, Kouamé Guillaume Koffi1, Beket Sévérin Bonny1 and Raoul Sylvère Sié1

1Laboratory of Biology and Amelioration of Vegetable Productions, UFR Sciences of Nature, Nangui Abrogoua University, Abidjan, Côte d’Ivoire

2Department of Sciences and Technologies, Superior Normal School of Abidjan, Abidjan, Côte d’Ivoire

3Department of Biochemistry-Genetic: Pedagogic Unity and Research of Genetic, UFR Biological Sciences, Peleforo Gon Coulibaly University, Korhogo, Côte d'Ivoire

Pub. Date: May 14, 2019

Cite this paper:
Kouakou Fulgence Brou, Koffi Adjoumani, Saraka Didier Martial Yao, Kouamé Guillaume Koffi, Beket Sévérin Bonny and Raoul Sylvère Sié. Gene Actions and Combining Ability Analysis for Some Seed Characters in Citrullus Mucosospermus (Fursa). World Journal of Agricultural Research. 2019; 7(3):88-93. doi: 10.12691/wjar-7-3-2


In order to suggest breeding strategies to improve Citrullus mucosospermus (Fursa), 4 × 4 complete diallel cross design involving Bebu, Wlêwlê small seeds 1 (Wss1), Wlêwlê small seeds 2 (Wss2) and Wlêwlê small seeds 3 (Wss3) genotypes was used to assess combining ability and gene actions involved in the inheritance of six seed traits. The F1 direct and reciprocal crosses plus the parental inbred lines coming from these cultivars were grown in a randomized complete block design with three replications. The results indicated the existence of genetic variation between parental lines for all investigated seed traits. Combining ability analysis exhibited the involvement of both additive and non-additive types of gene actions in the expression of all studied traits, suggesting, doing the selection in C. mucosospermus heterogeneous populations for improving these seed traits. Non-additive gene actions were predominant in the inheritance of investigated traits indicating the possibility of the heterosis exploitation or the postponement of selection to later generations for improving genetically these traits. Bebu appeared the best general combiner for Mass of fresh seed, Mass of dry seed, Mass of 100 seeds, seed length and seed width while, Wss1 and Wss2 are the best combiners for percentage of seed integuments. Therefore, parental lines Bebu, Wss1, Wss2 and crosses with high significant specific combining ability effects are proposed for their incorporation in C. mucosospermus breeding programs. The presence of both GCA and SCA effects suggests the use of recurrent reciprocal selection to improve C. mucosospermus seed traits.

Bebu breeding strategies combining ability gene actions Wlêwlê small seeds

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