Volume 12, Issue 43 (spring 2008)
jwss 2008, 12(43): 57-63 |
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Baghizadeh A, Talei A, Naghavi M, Haji Rezaei M. Estimating the Number and Inheritance of Controlling Genes for Grain Yield and Some of Related Traits in Barley (Hordeum vulgare) Afzal/Radical Cross. jwss 2008; 12 (43) :57-63
URL: http://jstnar.iut.ac.ir/article-1-821-en.html
URL: http://jstnar.iut.ac.ir/article-1-821-en.html
Abstract: (23883 Views)
In order to estimate the number and inheritance of controlling genes for grain yield and some of the related traits in barley, Afzal and Radical varieties along with their F1, F2 and F3 generations were planted in a randomized complete block design with three replications. Head weight, head length, number of heads, number of spikelets, awn length, hundred grain weight, grains per head, straw yield per head , harvest index and grain yield in different generations were recorded. Analysis of variance indicated that mean squares of generations were statistically significant for all the traits. Then, generation mean analysis was performed for all the traits. Based on the results, additive and dominance effects played roles in controlling awn length. For the other traits besides the aforesaid effects, epistasis effect was also significant. Also, results indicated that dominance variance had the most important role in controlling the inheritance for traits. The average broad sense heritability for all the traits was estimated between %69 - %89. The number of genes for all traits was estimated to be between one and six.
Keywords: Generation mean analysis, Gene number, Broad sense heritability, Barley, The related traits to yield
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