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ARS Home » Southeast Area » Tifton, Georgia » Crop Genetics and Breeding Research » Research » Publications at this Location » Publication #347734
Title: Registration of 'TifNV-High O/L' Peanut

Author
item Holbrook, Carl - Corley
item OZIAS-AKINS, P - University Of Georgia
item CHU, Y - University Of Georgia
item CULBREATH, A - University Of Georgia
item KVIEN, C - University Of Georgia
item BRENNEMAN, T - University Of Georgia

Submitted to: Journal of Plant Registrations
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 12/5/2017
Publication Date: 12/30/2017
Citation: Holbrook Jr, C.C., Ozias-Akins, P., Chu, Y., Culbreath, A.K., Kvien, C.K., Brenneman, T.B. 2017. Registration of 'TifNV-High O/L' Peanut. Journal of Plant Registrations. 11:228-230.

Interpretive Summary: Tifguard was the first peanut variety with resistance to both the peanut root-knot nematode and tomato spotted wilt virus (TSWV). Our next breeding goal was to combine resistance to the peanut root-knot nematode and resistance to tomato spotted wilt virus with the high oleic acid characteristic. Breeding populations were developed by hybridizing Tifguard with the high oleic cultivar Florida-07. Marker assisted selection was used to select for nematode resistance and the high oleic to linoleic fatty acid ratio (O/L) characteristic. TifNV-High O/L was selected from these breeding efforts and released as an improved variety. TifNV-High O/L has a high level of resistance to both the peanut root-knot nematode and TSWV, and it has a high ratio of oleic acid to linoleic acid. When tested in fields without nematode pressure, TifNV-High O/L exhibited yields that were similar to other currently grown peanut cultivars. When tested in fields with nematode pressure, TifNV-High O/L exhibited significantly higher yields in comparison to Georgia-06G, a widely grown susceptible cultivar. TifNV-High O/L should be valuable for growers who have to deal with nematode and TSWV and to peanut product manufacturers who prefer high oleic varieties.

Technical Abstract: ‘TifNV-High O/L’ is a runner-type peanut (Arachis hypogaea L. subsp. hypogaea var. hypogaea) cultivar released by the USDA-ARS and the Georgia Agricultural Experiment Station in 2014. TifNV-High O/L was developed at the University of Georgia Coastal Plain Experiment Station, Tifton, GA. Our research objective was to combine resistance to the peanut root-knot nematode and resistance to spotted wilt caused by Tomato spotted wilt tospovirus (TSWV) with the high oleic acid characteristic. Breeding populations were developed by hybridizing the nematode-resistant cultivar Tifguard with the high oleic cultivar Florida-07. Marker assisted selection was used to select for nematode resistance and the high oleic to linoleic fatty acid ratio (O/L) characteristic. TifNV-High O/L has a high level of resistance to both the peanut root-knot nematode and TSWV, and it has a high ratio of oleic acid to linoleic acid. When tested in fields without nematode pressure, TifNV-High O/L exhibited yields that were similar to other currently grown peanut cultivars. When tested in fields with nematode pressure, TifNV-High O/L exhibited significantly higher yields in comparison to Georgia-06G, a widely grown susceptible cultivar. Grade variables for TifNV-High O/L were similar to other common peanut cultivars. Seed size and size distribution were similar to other large-seeded runner-type cultivars.