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Multiple Cold Tolerance Trait Phenotyping Reveals Shared Quantitative Trait Loci In Oryza Sativa, Naoki Shimoyama, Melineeh Johnson, André Beaumont, Michael Schläppi
Multiple Cold Tolerance Trait Phenotyping Reveals Shared Quantitative Trait Loci In Oryza Sativa, Naoki Shimoyama, Melineeh Johnson, André Beaumont, Michael Schläppi
Biological Sciences Faculty Research and Publications
Background
Developing chilling tolerant accessions of domesticated Asian rice is a potential source of significant crop improvement. The uniquely chilling sensitive nature of the tropically originating Oryza sativa make it the most important cereal crop that can gain significantly from improved tolerance to low temperatures. However, mechanisms underlying this complex trait are not fully understood. Oryza sativa has two subspecies with different levels of chilling tolerance, JAPONICA and INDICA, providing an ideal tool to investigate mechanistic differences in the chilling stress tolerance responses within this important crop species.
Results
The Rice Diversity Panel 1 (RDP1) was used to investigate …