UNITED STATES DEPARTMENT OF AGRICULTURE AGRICULTURAL RESEARCH SERVICE in cooperation with STATE AGRICULTURAL EXPERIMENT STATIONS Wheat Varieties Grown in Cooperative Plot and Nursery Experiments in the Spring Wheat Region in 1997 Hard Spring Wheat Results Coordinated and Compiled by: R. H. Busch, Research Geneticist and Professor and G. L. Linkert, Scientist Durum Spring Wheat Coordinated by: E. Elias, Associate Professor This is a joint progress report of cooperative investigations underway in the State Agricultural Experiment Stations and the Agricultural Research Service of the U.S. Department of Agriculture containing preliminary data which have not been sufficiently confirmed to justify general release; interpretations may be modified with additional experimentation. Confirmed results will be published through established channels. The report is primarily a tool for use of cooperators and their official staffs and for those persons having direct and special interest in the development of agricultural research programs. This report includes data furnished by the State Agricultural Experiment Stations as well as by the Agricultural Research Service U.S. Department of Agriculture. This report is not intended for publication and should not be referred to in literature citations nor quoted in publicity or advertising. Use of the data may be granted for certain purposes upon written request to the agency or agencies involved. Agricultural Research Service U.S. Department of Agriculture North Central Region St. Paul, Minnesota