Start Date: Oct 01, 2010
End Date: Jul 22, 2013
Develop a linkage map for a black bean recombinant inbred line population using SSR and SNP markers. Use this resource identify QTL involved in canning quality and color retention in thermally processed beans, and to identify the Asp gene responsible for seed coat shine. Develop rapid phenotypic screens to for canning quality with near infrared spectoscopy. Measure variability for nutrient composition, cooking time, and sensory characteristics of modern and historically important dry bean varieties in the Mesoamerican gene pool. Develop populations of EMS mutagenized beans. Screen mutant populations for lines with reduced levels of seed raffinose and stachyose oligosaccharides. Screen diverse germplasm for natural variability in seed oligosaccharide content. Identify genes involved in seed zinc accumulation and tolerance to low zinc soils via transcriptome profiling, gene expression analysis, and molecular mapping.