UNITED STATES DEPARTMENT OF AGRICULTURE SCIENCE AND EDUCATION ADMINISTRATION in cooperation with STATE AGRICULTURAL EXPERIMENT STATIONS Wheat Varieties Grown in cooperative Plot and Nursery Experiments in the Spring Wheat Region in 1978 Hard Red Spring and Sawfly Wheat Results Coordinated by: R. H. Busch. Research Geneticist and Technical Advisor (TA) for Spring Wheat Compiled by: F. A..Elsayed. Assistant Scientist This is a joint progress report of cooperative investigations underway in the State Agricultural Experiment Stations and the Science and Education Administration 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 Science and Education Administration. was compiled by the Science and Education Administration. U. S. Department of Agriculture. This report is not intended for publication and should not be referred to in literature citations for certain purposes upon written request to the agency or agencies involved. St. Paul. Minnesota CONTENTS Page Cooperating Agencies. Stations. and Personnel 1 The 1978 Crop 6 The Uniform Regional Hard Red Spring Wheat Nursery 7 Table 1. Parts 1-22. Agronomic data 11 Table 2. Average agronomic data 33 Table 3. Average yields and bushel weights in 1978, 1977-78, and for the three-year period 1976-78 34 Table 4. Part 1. Seedling reaction to stem rust 35 Part 2. Adult plant field reaction to stem rust 36 Part 3. Adult plant field reaction to leaf rust 37