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Winter Wheat Trials in North-Central Idaho
Bill
Flory, Bob Konen, Bruce Yenni, Bob Bumgarner Determine yield, test weight, and protein of winter wheat varieties Location: Winchester,
Tammany, Cavendish, and Genesee, Idaho Comments A single replicate was placed at each farm using the farmer's normal management practices. The strips were placed on as uniformly flat areas as possible. Plot widths ranged from one planter box up to 30 ft. Lengths ranged from 300 to 800 ft. These tests are part of an ongoing winter wheat on-farm strip trial evaluation conducted for several years in north-central Idaho.
Drought during June and July 94 from flowering to harvest negatively impacted yield and quality, except for the summer fallow location in Tammany. Cavendish was hit hard by heat at flower and low moisture following lentils in the rotation. On average over the four locations, Rhode club wheat had the best yield and test weights and the lowest protein. Next highest yield in descending order: Cashup, Rod, Gene, Stephens, Hyak, Hill 81, Salmon, Madsen, Mac 1, Sunderman hard white, Kmor, Daws, and Lewjain. Yields ranged from a high of 81 bu/ac for Rhode to 55 for Lewjain. Average for the four locations was 67 bu/ac. Average test weight was 57.8 lb/bu. Varieties with above average test weight in descending order: Rhode, Hill 81, Cashup, and Mac 1. Kmor had the lowest test weight. Average protein for the four locations was 11.5%. Varieties above average in descending order: Mac 1, Madsen, Sunderman hard white, Stephens, Lewjain, Salmon, and Daws. Those with average or below average protein in descending order were Kmor, Gene, Hill 81, Rod, Cashup, and Rhode. Protein ranged from 12.1% (Mac 1) to 10.5% (Rhode). |
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