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Research Project: Precision Farming for Development of Sustainable Dryland Cropping Systems of the Central Great Plains Region

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Title: 2021 Colorado winter wheat variety performance trials

item JONES-DIAMOND, SALLY - Colorado State University
item JOHNSON, JERRY - Colorado State University
item MASON, ESTEN - Colorado State University
item ASFELD, ED - Colorado State University
item STROMBERGER, JOHN - Colorado State University
item TYLER, ROGER - Colorado State University
item MEYER, RON - Colorado State University
item TRUJILLO, WILMA - Colorado State University
item KAAN, DENNIS - Colorado State University
item BALLARD, TODD - Colorado State University
item FICKENSCHER, BRUCE - Colorado State University
item LARSON, KEVIN - Colorado State University
item Mankin, Kyle
item PETTINGER, BRETT - Colorado State University
item NACHAPPA, PUNYA - Colorado State University
item PEIRCE, ERIKA - Colorado State University
item ROBERTS, ROBY - Colorado State University
item LOGRASSO, OLIVIA - Colorado State University
item POTTORFF, LAURA - Colorado State University
item Miner, Grace
item Delgado, Jorge
item IPPOLITO, JAMES - Colorado State University
item KLUTH, DANICA - Colorado State University
item Stewart, Catherine
item ERKER, BRAD - Colorado Wheat Commission
item WESTRA, ERIC - Colorado State University
item GAINES, TODD - Colorado State University

Submitted to: Technical Report
Publication Type: Research Technical Update
Publication Acceptance Date: 5/18/2022
Publication Date: 5/18/2022
Citation: Jones-Diamond, S., Johnson, J., Mason, E., Asfeld, E., Stromberger, J., Tyler, R., Meyer, R., Trujillo, W., Kaan, D., Ballard, T., Fickenscher, B., Larson, K., Mankin, K.R., Pettinger, B., Nachappa, P., Peirce, E., Roberts, R., LoGrasso, O., Pottorff, L., Miner, G.S., Delgado, J.A., Ippolito, J., Kluth, D., Stewart, C.E., Erker, B., Westra, E., Gaines, T. 2022. 2021 Colorado winter wheat variety performance trials. Technical Report TR 21-3 2021 Wheat Field Days Edition. Fort Collins, CO: Colorado State University Extension. 56p.

Interpretive Summary: N/A

Technical Abstract: Colorado State University researchers provide current, reliable, and unbiased wheat variety information to Colorado producers. Support of our research keeps public variety testing thriving in Colorado. Farmer support of public variety testing is our hope for the future. Our work in Colorado is possible due to the support and cooperation of the entire Colorado wheat industry, the Colorado Wheat Administrative Committee, the Colorado Wheat Research Foundation, seed companies who enter varieties, and Colorado farmers who donate their resources to host wheat variety trials. We test under a broad range of environmental conditions to best determine expected performance of new varieties. We have a uniform variety testing program, meaning that all dryland varieties are tested in all eleven dryland test locations and all irrigated varieties are tested in all three irrigated trials. There were 44 varieties including experimental lines in each of the 11 dryland trials. The three irrigated trials each had 28 varieties. The variety trials included a combination of public and private varieties and experimental lines. Seed companies with entries in the variety trials included AgriPro Syngenta, Allegiant by CHS, CROPLAN by WinField United, Indigo Ag, Limagrain Cereal Seeds, and WestBred Bayer. There were entries from the Colorado marketing organization PlainsGold, the Kansas Wheat Alliance, Montana State University, and Oklahoma Genetics, Inc. All dryland and irrigated trials were planted in a randomized complete block design with three replicates. Plot sizes were approximately 150 ft2 (except the Fort Collins irrigated trial, which was 80 ft2) and all varieties were planted at 700,000 seeds per acre for dryland trials and 1.2 million seeds per acre for irrigated trials. Plot sizes for the Collaborative On-Farm Test (COFT) ranged from 0.10 to 1.5 acres per variety in side-by-side strips with seeding rates conforming to the seeding rate used by the collaborating farmer. Yield is corrected to 12% moisture. Variety trial plot weight, test weight, and grain moisture content information was obtained from a Harvest Master H2 weighing system on a plot combine.