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Winter Wheat Trials in North Central Idaho

Bob Konen, Bruce Yenni, Jim & Sanford Evans, Neil Heitstuman, *Bill Flory
with Idaho Wheat Commission, Lewiston Grain Growers, a
nd Larry J. Smith, UI/Nez Perce County Extension System

Objective

Determine yield, test weight, and protein of winter wheat varieties

Locations: Culdesac, Tammany, Cavendish, Genesee, and Winchester, Idaho
Annual precipitation: 14 to 25 inches
Rotation: Wheat/pea, wheat/pea/barley, wheat/summerfallow

Comments

A single replicate was placed at each farm using the farmer's normal management practices. Plot widths ranged from one planter box up to 30 ft. Lengths ranged 300 to 800 ft.

Data

Conclusion

Stephens, when averaged across all locations, was the highest yielding variety, at 92 bushels per acre. Stephens, Hill 81, Madsen, Salmon, Lambert, Cashup, Mac 1 and Daws produced significantly more grain yield than Rohde, Hyak, and Gene.

*Bill Flory, Winchester location, not harvested due to untimely late rain.
Complete data, including test weights and protein percentages is available upon request.

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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