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ARS Home » Plains Area » Stillwater, Oklahoma » Wheat, Peanut, and Other Field Crops Research » Research » Publications at this Location » Publication #344394

Research Project: Development of Improved Peanut Cultivars and Germplasm for the Southwest Peanut Region of the United States

Location: Wheat, Peanut, and Other Field Crops Research

Title: NuMex-02- A High oleic Valencia peanut with partial resistance to Sclerotinia blight

Author
item PUPPALA, NAVEEN - New Mexico State University
item BUROW, MARK - Texas Agrilife
item Chamberlin, Kelly
item Dean, Lisa
item MUITIA, A - Mozambique Agronomic Research Institute
item CHINTU, J - University Of Malawi
item MAKWETI, L - Zambia Agricultural Research Institute

Submitted to: American Peanut Research and Education Society Proceedings
Publication Type: Abstract Only
Publication Acceptance Date: 7/13/2017
Publication Date: 3/1/2018
Citation: Puppala, N., Burow, M.D., Chamberlin, K.D., Dean, L.L., Muitia, A., Chintu, J., Makweti, L. 2018. NuMex-02- A High oleic Valencia peanut with partial resistance to Sclerotinia blight [abstract]. In: Proceedings of the American Peanut Research and Education Society, July 11-13, 2017, Albuquerque, NM. 49:157.

Interpretive Summary:

Technical Abstract: NuMex-02 is a high oleic Valencia peanut (Arachis hypogaea L., subsp. fastigiata var. fastigiata) cultivar developed by the New Mexico Agricultural Experiment Station, Clovis, New Mexico. NuMex-02 originated from a cross made between NM Valencia A and OLin. Pedigree selection was practiced based on oil quality and determined by high oleic (O)/linoleic (L) fatty acid ratio, pod size and shape, seeds per pod, seed size, testa color, market type (Valencia), maturity, yield, and grade characteristics. The selected segregates with these characteristics were advanced by single-seed descent method until F6. Phenotypically uniform progenies were bulk harvested to conduct yield trials in F7 and F8 generations. Performance tests in replicated trials across eastern New Mexico and west Texas began in 2012 and continued until 2016. NuMex-02 was tested under identity of NM308-2. It matures in 128 days similar to Valencia A. Average across 15 tests, NuMex-02 produced 18% higher pod yield, high O/L ratio (19:1) and DNA marker data showed partial resistance to Sclerotinia blight (Sclerotinia sclerotiorum).