The determination of the resistance inheritance against common bunt in wheat and half-diallel hybrids

GülçIn Akgören Palabiyik, Ismail Poyraz and Ahmet Umay
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GülçIn Akgören Palabiyik: Medicinal and Aromatics Plants Department, Pazaryeri Vocational School, Bilecik Seyh Edebali University, Bilecik, Turkey
Ismail Poyraz: Molecular Biology and Genetics Department, Faculty of Science and Letters, Bilecik Seyh Edebali University, Bilecik, Turkey
Ahmet Umay: Test Research Unit Department, Distance Education Faculty, Anadolu University, Eskisehir, Turkey

Plant Protection Science, 2019, vol. 55, issue 4, 255-261

Abstract: This study was conducted to determine the inheritance of common bunt resistance in twelve bread wheat varieties and their half-diallel hybrids in Turkey. The disease ratings were performed on the F2 generations of the hybrids in field conditions. The obtained data were analysed by the χ2 test to determine the effective gene numbers and inheritance type in the disease resistance. In addition, the data were evaluated according to the Jinks-Hayman diallel analyses. In conclusion, it was found that of the twelve wheat parents, four contained three resistance genes and four of them contain two resistance genes. The dominant genes were prominent in the population and complete dominance was present. Therefore, the selection for disease resistance should be delayed until the following generations.

Keywords: chi-squared test; Tilletia sp.; inheritable resistance; resistance genes; breed wheat (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:55:y:2019:i:4:id:153-2018-pps

DOI: 10.17221/153/2018-PPS

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