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Impact of Climate, Disease, and Wheat Breeding on Wheat Variety Yields in Kansas, 1985-2011
Barkley, Andrew
Tack, Jesse
Nalley, Lawton Lanier
Bergtold, Jason
Bowden, Robert
Fritz, Allan K.
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This research quantifies the impact of climate change, disease, and genetic improvement on wheat yields of varieties grown in 11 locations in Kansas from 1985-2011. Variety yield data from Kansas performance tests were matched with comprehensive location-specific weather and disease data. Results show that wheat breeding programs increased yield by 0.51 bu/acre each year, and a 1ºC increase in projected mean temperature decreases yields by 10.64 bu/acre. 36 pages.
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