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Title: The rising star of high-oleic Virginia peanuts: A summary of data supporting the release of 'VENUS'

Author
item Chamberlin, Kelly
item Bennett, Rebecca
item DAMICONE, JOHN - Oklahoma State University
item GODSEY, CHAD - Oklahoma State University
item MELOUK, HASSAN - Retired ARS Employee

Submitted to: Peanut Research at Oklahoma State University
Publication Type: Experiment Station
Publication Acceptance Date: 2/11/2015
Publication Date: 3/25/2015
Publication URL: http://handle.nal.usda.gov/10113/60636
Citation: Chamberlin, K.D., Bennett, R.S., Damicone, J.P., Godsey, C.B., Melouk, H.A. 2015. The rising star of high-oleic Virginia peanuts: A summary of data supporting the release of 'VENUS'. In: Partners in Progress – Peanut Research at Oklahoma State University, 2014. Oklahoma Agricultural Experiment Station. P-1044. p. 19-25.

Interpretive Summary: The fatty acid composition of peanuts has become increasingly important with the realization that oleic acid content significantly affects the development of rancidity. It has been determined that a high O/L ratio in peanut results in an increased shelf life (up to 10 times) and improved flavor when compared to a normal O/L ratio. Virginia-type peanut production takes place on approximately 45% of the certified acres in Oklahoma and Texas. Currently there is no acceptable high-oleic Virginia type peanut available for production in Oklahoma and Texas. Producers, shellers, and manufacturers are in urgent need of high-oleic Virginia cultivars adapted for production in the Southwest. 'VENUS' is a large-seeded high-oleic Virginia-type peanut that has enhanced Sclerotinia blight and pod rot tolerance when compared to the cultivar Jupiter. 'VENUS' is the first high-oleic Virginia peanut developed for and proposed for release in the Southwestern US. 'VENUS' (experimental designation ARSOK-V30B) is the result of a cross between the cultivar Jupiter, a non high-oleic Virginia peanut released by the Oklahoma Agricultural Experiment Station in 2000, and ARSOK-R2, a high-oleic advanced breeding line. Tests conducted in three locations across Oklahoma in 2012-2014 showed there was no significant difference between the yields of ‘VENUS’ and Jupiter. However, 'VENUS' graded significantly higher than Jupiter in two out of three locations. 'VENUS' also consistently exhibited less incidence of Sclerotinia blight (61% less) and pod rot (70% less) when compared to Jupiter. Therefore, the purpose for releasing 'VENUS' is to provide peanut producers the first high-oleic Virginia cultivar developed specifically for the Southwestern US with acceptable yield, enhanced grade and enhanced disease resistance when compared to Jupiter.

Technical Abstract: 'VENUS' is a large-seeded high-oleic Virginia-type peanut that has enhanced Sclerotinia blight and pod rot tolerance when compared to the cultivar Jupiter. 'VENUS' is the first high-oleic Virginia peanut developed for and proposed for release in the Southwestern US. 'VENUS' (experimental designation ARSOK-V30B) is the result of a cross between the cultivar Jupiter, a non high-oleic Virginia peanut released by the Oklahoma Agricultural Experiment Station in 2000, and ARSOK-R2, a high-oleic advanced breeding line. Tests conducted in three locations across Oklahoma in 2012-2014 showed there was no significant difference between the yields of 'VENUS' and Jupiter. However, 'VENUS' graded significantly higher than Jupiter in two out of three locations. 'VENUS' also consistently exhibited less incidence of Sclerotinia blight (61% less) and pod rot (70% less) when compared to Jupiter. The purpose for releasing 'VENUS' is to provide peanut producers in the Southwestern US with its first high-oleic Virginia peanut, developed specifically for that region, with enhanced grade and disease resistance when compared to Jupiter.