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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 669444'Tamrun OL12'Arachis hypogaea L. subsp. hypogaea Texas, United StatesS92013DEVELOPEDCultivarBotanical Characteristics. Tamrun OL12 is a runner peanut, with spreading growth habit, and lacking flowers on the mainstem. The main stem is highly prominent, more so than the check cultivars Florunner or Flavorunner 458. Quality Analyses. Tamrun OL12 was significantly more mature than Flavorunner 458 and Tamrun OL02 in all four years of testing, with an overall mean of 52.8 percent mature pods. Tamrun OL12 had from 17.4 (in 2007) to 28.0 (in 2006) percentage points more mature pods than Flavorunner 458, and from 26.1 (in 2009) to 35.7 (in 2008) percentage points more mature pods than Tamrun OL02. The fruity-fermented attribute mean of Tamrun OL12 (0.43) across years was significantly lower than for Florunner (0.88) (p=0.018). Other flavor attributes measured in 2008 or 2009 were similar between Tamrun OL12, Florunner, and Flavorunner 458. Gas chromatographic analysis of oil from plants increased at the Texas Tech Farm in 2010 demonstrated a mean oleic:linoleic ratio of 22.7:1, with oleic and linoleic proportions of 79.2% and 3.85% of total fatty acids. Tamrun OL12 had lower sugar contents (5.4% and 5.6%) in 2008 and 2009 than Flavorunner 458, Tamrun OL02, and Florunner. There was no significant difference in oil concentration between Tamrun OL12 and Flavorunner 458 and Tamrun OL02 in either year. There were no differences in blanchability among Tamrun OL12, Tamrun OL02, Flavorunner 458, or Florunner for seeds harvested from 2009 field plots. Agronomic Performance. Yield of Tamrun OL12 was similar to the check cultivars, with no significant differences in yield among entries by year or across years. Mean seed size of Tamrun OL12 was 65.6g across years, similar to Flavorunner 458. This seed size was smaller than the 71.1g of Tamrun OL02. Tamrun OL12 had a mean 73.9% total sound mature kernels. This was numerically less than Flavorunner 458, and numerically higher than Tamrun OL02, but differences were not significant statistically.1913553PI 669444