Variety selection is one of the important decisions any crop producer makes, and one that is critical for successful production of both winter and spring wheat. South Dakota State University conducts winter and spring wheat Crop Performance Testing plots in several locations on an annual basis.
Data collected on each variety includes: yield, test weight, protein %, and plant height. Ratings are also taken on several agronomic characteristics and disease response. This information is compiled each year and is available online, along with crop performance testing information for other crops on the iGrow Variety Trail Results article. Each of these reports contains a large amount of information. Although crop producers become quite adept at appraising the characteristics they consider to be most important, the sheer volume of information can be intimidating.
The agronomists at Winter Cereals-Sustainability in Action developed a Winter Wheat Variety Selection Tool that is available for download on their website. The Excel spreadsheet is more completely explained in the iGrow Winter Wheat Variety Selection Tool article.
To provide a graphic method of evaluating winter and spring wheat varieties, the information for each of the varieties in the South Dakota 2013 Winter and Spring Wheat Variety Trial Results was put into a spreadsheet and graphs generated as shown for winter wheat, and spring wheat. The characteristics for which ratings are listed (winterhardiness, disease resistance/tolerance) were assigned a numerical value to allow graphing, and show how they compare to other varieties. These documents may prove useful to wheat producers as they decide which variety(s) to plant this fall and next spring. These documents can be downloaded using the links below:
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