Volume 13, Issue 40 (12-2021)                   jcb 2021, 13(40): 29-39 | Back to browse issues page


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Zabet M, Ebrahimzadeh A, Alizadeh Z, Samadzadeh A. (2021). Investigation of Morphological and Quantitative Traits using Diallel Analysis in Bread Wheat. jcb. 13(40), 29-39. doi:10.52547/jcb.13.40.29
URL: http://jcb.sanru.ac.ir/article-1-1112-en.html
University of Birjand
Abstract:   (1800 Views)
Extended Abstract
Introduction and Objective: Wheat is one of the most important and strategic plants that is important because of nutritional value. The knowledge of genetic control and inheritance of yield components is essential to selecting the best breeding method. Therefore, comprehensive and accurate information about the genetic parameters controlling yield components should be considered in deciding to select the appropriate breeding method to maximum grain yield.
Materials and Methods: The seven genotypes, including Alvand, Anfaram9, Chamran2, Back Cross-Roshan, Ofogh, goods and local variety Sorkh-Dane and 21 hybrids from them was studied in a 7 × 7 one-way Diallel designs during 2015-2016.
Results: Analysis of variance showed that there was a significant difference between genotypes. Griffing's diallel analysis showed that the general and specific combining ability was significant in all traits. The best genotypes were BC-Roshan and Sorkh-Dane and the worst genotypes were Ofogh and Ghods because of general combing ability. BC-Roshan × Chamran2 and Alvand × Ghods were the best hybrids and Ofogh × BC-Roshan, Ofogh × Sorkh-Dane and Anfarm9 × BC-Roshan were the worst hybrids in most traits. Hayman's variance analysis showed that the additive and non-additive component of variance were significant in all of the traits. Based on Hayman's variance analysis, the heterosis (b1 component was significant) and unequal frequency of dominant and recessive alleles (b2 component was significant) were seen in most traits. Based on Hayman's variance analysis, the specific combining ability (b3 component was significant) of all traits was significant and emphasized the results of Griffing analysis. The results of this research indicate that for the introduction of a new variety or varieties in the Southern Khorasan region, it is recommended to use the local variety Sorkh-Dane in crossing in the figure. 
Conclusion: The present study showed that although the local cultivar Sorkh-Daneh does not have a high economic yield, but it has a high general and specific combining ability in mating with other cultivars. Therefore, it is recommended to use this local cultivar in mating with other cultivars so as not to be forgotten.
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Type of Study: Research | Subject: General
Received: 2020/03/13 | Revised: 2022/01/16 | Accepted: 2021/10/6 | Published: 2022/01/16

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