STEEP - On-farm Winter Wheat Variety Trials in Oregon

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On-farm Winter Wheat Variety Trials in Oregon

Bob Johns, Bob Barnes, Bruce and Helle Ruddenklau, Alan Klages, Mark Hales, Dennis and Martha Glaser, Bill Miller, Bob Newtson, Dean Nichols, Erling Jacobsen, John Rietmann, Mike Weimar, Russ Ericksen, Gary Brown, Olin Reser, and Lyle Peck
in cooperation with Susan Aldrich-Markham, Gordon Cook, Gale Gingrich, Sandy Macnab, Mark Mellbye, Phil Nesse, Roland Schirman, and Mike Stoltz
with coordination by Russ Karow

Objective

To test performance of newer winter wheat varieties across Oregon using farm scale plots and field equipment.

Growers, Location and Conditions

Growers City County Irrigation

Bob Johns Athena Umatilla No

Bob Barnes Salem Marion no

Bruce and Helle Ruddenklau Amity Yamhill No

Alan Klages Joseph Wallowa Yes

Mark Hales Pendleton Umatilla No

Dennis and Martha Glaser Tangent Linn No

Bill Miller Dufur Wasco No

Bob Newtson Pendleton Umatilla No

Dean Nichols Dayton, WA Columbia, WA No

Sand Macnab/Erling Jacobsen Moro Sherman No

John Rietmann Ione Morrow No

Mike Weimar Arlington Gilliam No

Russ Ericksen Condon Gilliam No

Gary Brown Wasco Sherman No

Olin Reser Condon Gilliam No

Lyle Peck Heppner Morrow No

Cooperating County Agents:

Susan Aldrich-Markham, Yamhill - Polk
Gordon Cook, Wallowa
Gale Gingrich, Marion
Sandy Macnab, Wasco/Sherman
Mark Mellbye, Linn
Phil Nesse, Gilliam/Morrow
Roland Schirman, Columbia, WA
Mike Stoltz, Umatilla

Growers were provided with 50-80 pounds of seed of each of six varieties - Gene, MacVicar, Madsen, Rod, Rohde and Stephens. Additional varieties of local interest were added to the trial at some sites as well as variety mixtures. Seeding was done by growers, in many cases with county agent assistance. Plots ranged in size from 8-20 feet wide by 300-1500 feet long. Single replications were planted at each site. Plots were harvested by growers with grain weighed in weigh wagons, on truck scales or on farm scales. Grain samples were submitted to the OSU Extension Cereals Project for test weight and protein analysis. Seed donations for 1995 trials were made by Eric and Marne Anderson, Ione, OR, Pendleton Grain Growers, Pendleton, OR, Corvallis Seed and Feed, Corvallis, OR, and Madsen Grain Company, Carlton, OR. Their support makes this testing effort possible and is greatly appreciated.

Data

Conclusions: Trial results show that no one variety is superior to others over all locations. Performance varies significantly. Based on an over-sites analysis, Rod is the only variety that showed statistically significant performance over several other varieties. A similar conclusion was drawn from 1994 drill strip trial data. Results are in general agreement with small plot test data. Trials at many locations were used for field tours and other research purposes.

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Hans Kok, WSU/UI Extension Conservation Tillage Specialist, UI Ag Science 231, PO Box 442339, Moscow, ID 83844 USA Redesigned by Leila Styer, CAHE Computer Resource Unit; Maintained by Debbie Marsh, Dept. of Crop & Soil Sciences, WSU