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:: Volume 8, Issue 4 (1-2007) ::
علوم زراعی 2007, 8(4): 343-356 Back to browse issues page
Genetic analysis of different traits in maize using diallel cross analysis
Abstract:   (3844 Views)
In order to determining and identification of the nature of gene action in inheritance of different traits, 56 genotypes (crosses and reciprocals) developed from diallel crosses of eight maize inbred lines along with parents were evaluated for important quantitative traits using randomized compelet block design with three replications in the Experimental Field Station of Seed and Plant Improvement Institute, in 2005 cropping season. Diallel analysis revealed the presence of over-dominance gene action in controlling grain yield, kernel number per ear row, kernel depth, ear length, plant height. Genes with partial dominance action were revealed in controlling number of rows per ear, numer of leaves and days to tasseling, while genes controlling 300 kernel weight and ear diameter showed dominant effects. Graphic analysis showed that for early reproduction stage, and increasing the grain yield, member of rows per ear and kernel number per row, length and diameter of ear, leaf number, plant height, dominant genes ware involved, while, for 300 kernels weight, recessive genes were effective.
Keywords: Maize, Diallel cross, Gene action, Heritability, Dominance, Over-dominance
Full-Text [PDF 324 kb]   (2460 Downloads)    
Type of Study: Scientific & Research | Subject: Special
Received: 2015/02/28 | Accepted: 2015/02/28 | Published: 2015/02/28
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Genetic analysis of different traits in maize using diallel cross analysis. علوم زراعی 2007; 8 (4) :343-356
URL: http://agrobreedjournal.ir/article-1-283-en.html


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Volume 8, Issue 4 (1-2007) Back to browse issues page
نشریه علوم زراعی ایران Iranian Journal of Crop Sciences
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