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Combining ability analysis for grain filling duration and yield traits in spring wheat (Triticum aestivum L. em. Thell.) Genet. Mol. Biol.
Kamaluddin,; Singh,Rishi M.; Prasad,Lal C.; Abdin,Malik Z.; Joshi,Arun K..
A diallel analysis of wheat (Triticum aestivum L. em. Thell) parents (n = 11) and their F1 (n = 55) and F2 (n = 55) offspring was carried out for the following four traits: grain filling duration (GFD), GFD for growing degree days (GDD), 1000 seed weight and seed yield per plant. Analysis of variance for general combining ability (GCA) and specific combining ability (SCA) displayed significant F1 and F2 general and specific combining ability effects for the four traits studied. For all the traits the GCA effects were relatively more important than the SCA effects, indicating that additive genetic effects were predominant. Crosses displaying high SCA effects for grain filling duration, seed weight and yield were observed to be derived from parents having...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Wheat; Combining ability; GCA; SCA; Grain filling duration.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000300018
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