Location: Market Quality and Handling Research
2013 Annual Report
For the twelfth year, samples from the UPPT were subjected analysis for tocopherols, sugars and fatty acids. Five locations provided 13 peanut breeding lines. Differences were found in flavor among the lines, but all lines had acceptable flavor quality. This data was made available to breeders for evaluation and identification of lines with desired chemical and nutritional attributes. Sensory quality testing of samples from the multi-state Uniform Peanut Performance Tests (UPPT) was done at the Market Quality Unit. These results were subjected to statistical evaluation. Restricted maximum likelihood estimation of variance components reflecting a range of interactions was performed. These components were effects of year, production region, year-by-year region interaction, location with regions, year-by-location interaction in region, genotype, year-by-genotype interaction, region-by-genotype interaction, year-by-region-by-genotype interaction, location-by-genotype interaction in region, year-by-location-by-genotype interaction in region, kernel grade within genotype, year-by-grade interaction in genotype, region-by-grade interaction in genotype, year-by-region-by-grade interaction in genotype, location-by-grade interaction in region and genotype.