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Breeding of Winter-Hardiness in Winter Wheat (Triticum aestivum L.)

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dc.contributor.advisor Navabi, Alireza
dc.contributor.advisor Rajcan, Istvan Chen, Yi Chen, Yi 2019-05-16T20:57:20Z 2019-05-16T20:57:20Z 2019-04 2019-05-13 2019-05-16
dc.description.abstract Winter survival is an essential trait for winter wheat cultivars that are grown in high-latitude growing regions such as Canada. The objectives of this study were to: 1) develop a high-throughput phenotyping tool that can be used to screen winter wheat for winter survival; 2) to identify genetic regions that are associated with winter survival and; 3) evaluate optimal candidate gene combination for better winter survival in Eastern Canada. In this study, a panel of 450 winter wheat cultivars was tested in three location-year combinations. The study demonstrated that images captured by unmanned aerial vehicle were able to be used to evaluate the winter survival of winter wheat. Genome-wide association study was conducted and resulted in identification of nine QTL that are associated with winter survival. Lastly, the combination of the Fr-A2-T haplotype and three copies of Vrn-A1 was associated with better winter survival in Eastern Canada. en_US
dc.language.iso en en_US
dc.subject Wheat en_US
dc.subject Winter-hardiness en_US
dc.subject Drone en_US
dc.subject Freezing tolerance en_US
dc.subject winter wheat en_US
dc.title Breeding of Winter-Hardiness in Winter Wheat (Triticum aestivum L.) en_US
dc.type Thesis en_US Plant Agriculture en_US Master of Science en_US Department of Plant Agriculture en_US
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