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2024 Oregon Soft Winter Wheat Yield Trials: Unveiling the Top Performing Varieties

Looking at potential winter wheat varieties to plant? Results from the 2024 Oregon soft winter wheat yield trials is a good place to start.

The Klamath Basin Research and Extension Center (KBREC) is committed to providing farmers with the latest information on the best performing wheat and barley varieties in our local region. The results presented here are for trials evaluating 54 varieties of soft winter wheat grown at the KBREC research station, the KBREC off-site trial in Merrill, and at the Intermountain Research and Extension Center (IREC) in Tulelake.

At the KBREC trial, seed varieties were planted in a previously fallowed field on October 17, 2023 and harvested August 8, 2024. The trial received 16.1 inches of irrigation and 175 pounds of nitrogen per acre. The highest yielding variety was VI Encore CL+ (UIL 17-7706 CL+) producing 178 bushels per acre (bu/acre) and the lowest was OR2170559, at 125 bu/acre. The trial averaged 145 bu/acre across all varieties.

At the Merrill location, seeds were planted a little bit later, November 1, 2023, and harvested Aug. 12, 2024. At planting, the field had adequate nitrogen available but received a spring application in March of 92 pounds of nitrogen per acre. The highest yielding variety was AP Olympia producing 191 bu/acre, while the lowest was LCS Reaper II AX at 118 bu/acre. This trial averaged 157 bu/acre across all varieties.

At the Tulelake (IREC) trial, all 54 varieties were planted on October 17, 2023, and harvested on Aug. 13, 2024. The trial received 13.23 inches of irrigation. The trial received 11-52-0 at planting and 32-0-0 top dress of nitrogen fertilizer throughout the season. The top performing variety was LWW20-2867 producing 163 bu/acre, the lowest was ARS Castella at 80 bu/acre. This trial averaged 139 bu/acre across all varieties.

It is important to remember that variety selection is best made by using multiple (three or more) years of data across multiple locations. However, when selecting any variety for a specific location you want to select the varieties that performs best near the location where the variety will be grown. In addition, other important characteristics to consider when trying to decide on a variety include flowering date, grain (protein) quality, height and lodging.

For further information on these yield trials, contact Everald McLennon (KBREC) at (541) 883-4590 or everald.mclennon@oregonstate.edu, or Darrin Culp (IREC) at (530) 667-5117 or daculp@ucanr.edu.

For the full report with additional details on class, height, heading date, protein percentages, quality, herbicide traits, yearly rank averages, as well as for other locations please access our website at https://cropandsoil.oregonstate.edu/wheat/osu-wheat-variety-trials/2024-oregon-wheat-and-barley-yield-trial-data.

Basin Ag News, Herald and News
By EVERALD McLENNON

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