African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12487

Full Length Research Paper

Line X tester analysis in pea (Pisum sativum L.): Identification of superior parents for seed yield and its components

Ercan Ceyhan*, Mehmet Ali Avci and Serdar KaradaÅŸ
Selcuk University, Agriculture Faculty, Department of Field Crops, Konya-Turkey.
Email: [email protected]

  •  Accepted: 01 July 2008
  •  Published: 18 August 2008

Abstract

This research was carried out to investigation the genetic structure of the 24 F1 pea hybrids established from eight exotic female lines and three local winter hardinessmale testers, to determine parents showing general combining ability (GCA) and determine crosses showing specific combining ability (SCA.), and to evaluate theheterosis. Broad genetic variability was observed among the genotypes. Estimates of variance due to GCA and SCA and their ratio revealed predominantly non-additive gene effects for all studied traits. While PS9830S329 (female) and H (male) were the best general combiners among the parents, PS9830S329 x B12 was the best cross for seed yield. Hybrids generally showed greater yield potential than their parental genotypes. Heterosis was observed in some hybrids for each trait studied.

 

Key words: Pisum sativum, line x tester, seed yield, yield components.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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