Issue 101
Prairie Grains

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Prairie Grains is the official publication of the Minnesota Association of Wheat Growers, North Dakota Grain Growers Association, Montana Grain Growers Association and South Dakota Wheat, Inc.

Copyright Prairie Grains Magazine
Fall 2009

U of M Winter Wheat Variety Trial Results

By Jim Anderson,Jochum Wiersma, Gary Linkert, Catherine Springer and Susan Reynolds

Winter wheat varieties were compared in trial plots at Crookston, Lamberton, Roseau and St. Paul. A trial also was planted at Waseca, but there was too much winterkill at that location to provide meaningful yield data.Wheat varieties are grown in replicated plots at each location. These plots are handled so that the factors affecting yield and other characteristics are as nearly the same for all varieties at each location as is possible. These winter wheat trials are not designed for crop (species) comparisons, because the various crops are grown on different fields or with different management. The data should be used only to compare varieties within a table
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.Variety Selection Criteria:  The success of a winter wheat variety depends largely on its ability to survive Minnesota winters. Research on the Canadian plains has shown that planting winter wheat in standing canola stubble using no-till methods can decrease winterkill considerably. Trapped snow provides additional protection that increases the odds that the young seedlings will survive.While all winter wheat varieties should be considered susceptible to very susceptible to Fusarium Head Blight (FHB), they head earlier than spring wheat varieties and have a better chance of escaping damage from FHB. Most winter wheat varieties are also susceptible to very susceptible to the leaf diseases other than the rusts. Use of fungicides to control these diseases and/or suppress FHB may be warranted.

All varieties listed are standard hard red winter wheats with the exception of Alice and Wendy, which have white grain. Hawken, a 2008 AgriPro release, was added to the trial in 2008.

Test Plot Research:  Test plot establishment and management were supervised by Jim Cameron, Derek Crompton, Matt Bickell, Steve Quiring and Donn Vellekson
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1 Abbreviations: CAN = Crop Development Centre, Saskatoon, Canada; NDSU = North Dakota State University; NE = Nebraska Agricultural Experiment Station; SDSU = South Dakota Agricultural Experiment Station.

2 PVP = plant variety protection. When the letters are followed by (94), seed of that variety may not be sold by a grower to anyone without express permissionof the variety’s developer/owner.

3 2008 St. Paul data.

4 Winterhardiness rating is a relative ranking that includes data from Minnesota, Nebraska, North Dakota and South Dakota: VH = very high, H = high,MH = moderately high, M = moderate, P = poor.

5 R = resistant, MR = moderately resistant, MS = moderately susceptible, S = susceptible.

6 White wheat
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1 Crookston 2-year data are 2006 and 2008. The 2007 Crookston location was abandoned due to winterkill.