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Map-Based Cloning And Molecular Characterization Of The Seed Dormancy 10 Locus In Rice (Oryza Sativa L.), Wirat Pipatpongpinyo
Map-Based Cloning And Molecular Characterization Of The Seed Dormancy 10 Locus In Rice (Oryza Sativa L.), Wirat Pipatpongpinyo
Electronic Theses and Dissertations
Seed dormancy is a key adaptive trait of both ecological and agricultural importance. Although many quantitative trait loci (QTL) have been associated with seed dormancy in cereal crops or model plants, a majority of them remain unknown for molecular identities and functions. Cereal crops and wild/weedy relatives usually have weak and strong seed dormancy, respectively, such as Asian cultivated rice vs. weedy rice (Oryza sativa L.). Previous research identified a set of seed dormancy QTL, including qSD10, in single plant-derived BC1F2 and BC1F3 populations from the backcross between the weedy rice line SS18-2 …
Genetic Component Effects Of Two Loci On Seed Dormancy, Awn, Low-Temperature Germination, Plant Height, And Flowering Time In Rice (Oryza Sativa L.), Ugur Korkmaz
Electronic Theses and Dissertations
Seed dormancy (SD) is an adaptive trait of both ecological and agricultural importance. Cereal crops have been selected for reduced SD to promote germination, which also caused the pre-harvest sprouting (PHS) problem in crop production. The previous research identified a set of quantitative trait loci (QTL) for SD, including qSD1- 2 and qSD8, in the conspecific weedy and cultivated rice (Oryza sativa). qSD1-2 carries a dormancy-enhancing allele from the cultivated rice and has a pleiotropic effect on plant height. qSD8 carries a dormancy-enhancing allele from the weedy rice and tightly links to qAL8 for awn length. The …