Genetic Parameters of Some Wheat (Triticum aestivum L.) Genotypes Using Factorial Mating Design

A. Badran and E. Moustafa

Journal of Agricultural Science, 2014, vol. 7, issue 1, 101

Abstract: Using parents and mating designs appropriate in the field of conventional plant breeding are the beginning to successful plant breeding program. However, there are many factors that influence their choices of mating designs, such as genetic parameters, experimental conditions and other biological constraints used in the evaluation process. In this study, Two wheat (Triticum aestivum L.) genotypes used as males while, fifteen used as females were assessed for yield and yield associated traits using North Carolina Design II (factorial mating design). The seventeen parents and their 30 F1 progenies were planted in randomized complete block design with three replications in three sets , during the growing season 2009/2010 and 2010/2011 in Ras-Sudr Regoin , South of Sinai, Egypt. Highly significant differences among males, females and hybrids between them were observed for all traits except No. of tillers and weight of grains /spike for females and the hybrids between males and females. The dominance genetic variance was higher than additive genetic variance for all studied traits except grain and straw yield per plant. Both heritability in narrow sense and expected genetic advance as percent were relatively high for spike weight grain yield and straw yield per plant. Depending on the previous genetic parameters we can achieve a quick and easy insight to a successful assessment.

Date: 2014
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