Journal of Plant Breeding and Crop Science
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Article Number - 1F187B648117


Vol.6(12), pp. 179-184 , December 2014
DOI: 10.5897/JPBCS2014.0481
ISSN: 2006-9758



Full Length Research Paper

Combining ability for yield and yield components in six parents and their 15 F1 hybrids of sesame (Sesamum indicum L.) in half diallel mating design



Salah Balla M. Ahmed
  • Salah Balla M. Ahmed
  • Faculty of Agricultural and Environmental Science, University of Gadaref, Tawawa, Sudan.
  • Google Scholar
Shahira I. Adam
  • Shahira I. Adam
  • Ministry of Agriculture and Forestry, Gadaref, Sudan.
  • Google Scholar







 Received: 04 August 2014  Accepted: 25 September 2014  Published: 01 December 2014

Copyright © 2014 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


Combining ability estimates were studied for seed yield, yield components and other morphological traits in six sesame parental lines and their 15 F1  hybrids crossed in half diallel for two consecutive seasons 2012/2013 - 2013/2014 at Gadaref University Farm, Gadaref, Sudan. Combining ability analysis revealed that both additive and non additive types of gene actions were important in the studied traits. For days to 50% flowering and days to maturity, Khidir was the only parent that scored negative general combining ability (GCA) effects in both seasons. Therefore it was desired to be selected for earliness. For seed yield kg/ha and the yield related characters viz., 1000- seed weight and the yield per plant, significant positive SCA effects were observed by the crosses, Kenana-2 X Gd 002SPSN-12 and Promo X Gd2002SPSN.12,  whereas, negative significant effects were showed by  Gadarif-1 XUmshagera. The rest of the crosses combinations were inconsistent across the seasons, some of them recorded a positive value in one season and a negative values in another one. Khidir and Promo recorded a positive significant GCA effects for the yield and its components at least in one season. Moreover, Promo was the best combiner with other parental lines for earliness since it recorded negative SCA values. Therefore, Khidir, Promo and Gd2002SPSN.12 could be recommended to produce progeny having high yield and early maturing hybrids, through recurrent selection or reciprocal cross.

 

Key words: Combining ability, sesame hybrids, sesame yield, yield components.

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APA Ahmed, S. B M., & Adam, S.I. (2014). Combining ability for yield and yield components in six parents and their 15 F1 hybrids of sesame (Sesamum indicum L.) in half diallel mating design. Journal of Plant Breeding and Crop Science, 6(12), 179-184.
Chicago Salah Balla M. Ahmed and Shahira I. Adam. "Combining ability for yield and yield components in six parents and their 15 F1 hybrids of sesame (Sesamum indicum L.) in half diallel mating design." Journal of Plant Breeding and Crop Science 6, no. 12 (2014): 179-184.
MLA Salah Balla M. Ahmed and Shahira I. Adam. "Combining ability for yield and yield components in six parents and their 15 F1 hybrids of sesame (Sesamum indicum L.) in half diallel mating design." Journal of Plant Breeding and Crop Science 6.12 (2014): 179-184.
   
DOI 10.5897/JPBCS2014.0481
URL http://academicjournals.org/journal/JPBCS/article-abstract/1F187B648117

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