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Adaptability of irrigated spring canola oil production to the US High Plains

A.D. Pavlista, D.K. Santra, T.A. Isbell, D.D. Baltensperger, G.W. Hergert, J. Krall, A. Mesbach, J. Johnson, M. O’Neil, R. Aiken, A. Berrada
Industrial crops and products 2011 v.33 no.1 pp. 165-169
Brassica napus, canola, canola oil, cultivars, fatty acid composition, foods, industrial oils, irrigation, linoleic acid, linolenic acid, lipid content, oleic acid, seed yield, United States
Canola oil is high in oleic acid which is commonly used for food and industrial purposes. To determine adaptability of spring canola (Brassica napus L.) to the High Plains for industrial oil production, 26 irrigated trials were conducted from 2005 to 2008. Trials were divided into five regions—1: 36–37°N 108°W; 2: 39–40°N 101–103°W; 3: 41–42°N 102–103°W; 4: 41–42°N 104°W; 5: 43–44°N 106–108°W. Cultural practices were based on site-specific protocols. Four cultivars, Hyola 401, Hyola 357 Magnum, SW Marksman, and SW Patriot, were planted in replicated plots in April or May under standard irrigation and harvested in July to October depending on region. Seed yield Hyola 401 and Hyola 357 Magnum were higher than SW Marksman and SW Patriot across the five regions and within Regions 1, 2, 3, and 5. Regions 1, 2 and 3 yielded significantly greater than did Regions 4 and 5. Samples from 18 trials were examined for their oil content and fatty acid distribution. The four cultivars had greater than 38% oil content; SW Marksman and SW Patriot had higher oil content than Hyola 401 and Hyola 357 Mag. Higher oil content was achieved in Regions 1, 4 and 5. Across and within regions, the percent of oleic acid did not differ for the four cultivars. The mean content of oleic acid decreased going north from Region 2 to Region 5, as did seed yield in the High Plains. Linoleic acid increased going north from Region 1. Linolenic acids showed little variation across regions. Considering yield and total oil content together, growing spring canola would be excellent in the High Plains.