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 1986 Hard Red Spring Wheat Results Coordinated & Compiled by: R.H. Busch, Research Geneticist and Professor and J. Barbour, Assistant Scientist. This is a joint progress report of cooperative investigations underway in the State Agricultural Experiment Station 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 was compiled 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 TABLE OF CONTENTS PAGE Cooperating Agencies, Stations and Personnel 1 The 1986 Crop 5 The Uniform Regional Hard Red Spring Wheat Nursery 6 Table 1 - Location and comparative plot management data .... 8 Table 2 - Parts 1-22 - Agronomic data 9 Table 3 - Part 1 - Mean Yields and Bushel Weights in 1986, 1985-86, 1984-86 for entries in the URHRSWPN 31 Part 2 - Stability Parameters 32 Table 4 - Part 1 - Seedling stem rust reactions 33 Part 2 - Adult stem rust reactions 34 Part 3 - Adult leaf rust reactions 35 Part 4 - Adult leaf spot reactions 36