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                TAMRUN OL07

     Tamrun OL07 is a runner market-type peanut cultivar with a high O/L ratio and good yield potential.  The new variety was tested as Tx033630 and was released by the Texas Agricultural Experiment Station in May 2006.

     Tamrun OL07 was derived from a three-way cross among Tamrun 96, breeding line TX9016393, and Sunoleic 95R, the donor of the high O/L genes. 

     TamrunOL07 has a larger vine than that of Tamrun OL01.  The mainstem height is, on average, 13.9 cm taller than Tamrun OL01, and the N + 1 lateral branches are 15.3 cm longer.  The mainstem is apparent at most locations and seeding rates tested.  Branching is profuse like Tamrun OL01 and the branching pattern is alternate, although not perfectly 2 + 2.  Leaf color is medium green, as with Tamrun OL01.

     Pods of Tamrun OL07 are mostly two seeded and shorter than those of Tamrun OL01 resulting in significantly smaller seed size, averaging 68.1 vs. 72.3 g 100 seed, across all locations.  Pod constriction between the seeds is moderate and no differences were detected between the two cultivars in analysis of pod measurements.

     Disease ratings indicate that Tamrun OL07 has more resistance to TSWV than Tamrun OL01, Tamrun OL02, and Flavor Runner 458.  Yield test in a South Texas TSWV nursery showed Tamrun OL07 had fewer diseased plants with a visual rating of 28.3% as compared with Tamrun OL01, Tamrun OL02, and Flavor Runner 458 with ratings of 58.8, 55.0, and 74.1%, respectively.

     Plant Variety Protection for Tamrun OL07 is being applied for - to be sold and grown as a class of certified seed by name only.