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Influence of genotype and sowing date on camelina growth and yield in the north central U.S.

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Camelina (Camelina sativa L.) has gained considerable attention in North America as a potential oilseed feedstock for advanced biofuels and bioproducts. Progress has been made towards characterizing camelina’s production potential for the western U.S. and Canada. However, little has been done to evaluate its potential for the north central region of the U.S. The objectives of the following study were to evaluate plant stand establishment, growth, and yield of 10 camelina cultivars and target the optimum sowing time for spring seeding in the northern Corn Belt region. The study was conducted over three growing seasons between 2008 and 2010 in west central Minnesota, USA on a Barnes loam soil. Sowing dates ranged from 16 April to 15 June over the 3-year study. Plant population density, time to 50% flowering, seed yield, and oil content were affected by sowing date, tending to decline with delayed sowing. Seed yield was significantly affected by cultivar in 2008 and 2009; whereas, oil content was consistently affected by cultivar all 3 years. Across cultivars, seed yields were as high as 2300 kg ha-1 to as low as 743 kg ha-1 and were generally greatest for sowings between mid-April to mid-May. Across sowing dates and cultivars, oil content ranged from about 36 to 43% (wt wt-1) and declined with delayed sowing. Generally, seed yield and oil content differences tended to be small between most genotypes in the study. Results indicate that the best time to sow spring camelina in west central Minnesota is from about mid-April to mid-May. Further research is needed to optimize other agricultural inputs for camelina production in the northern Corn Belt.
Russ W. Gesch
USDA Scientist Submission
Industrial crops and products 2014 v.54
Journal Articles, USDA Authors, Peer-Reviewed
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