CONTENTS PAGE Cooperating Agencies, Stations and Personnel. . . . . . . . . .1 The 1991 Crop . . . . . . . . . . . . . . . . . . . . . . . . .3 The Uniform Regional Hard Red Spring Wheat Nursery. . . . . . .5 Table 1 - Location and Comparative plot management data. . . . .7 2 - Parts 1-21 - Agronomic data. . . . . . . . . . . .8 3 - Part 1 - Mean Yields and Bushel Weights in 1991, 1990-1991, 1989-1991for entries in the URHRSWPN 29 Part 2 - Stability Parameters 30 4 - Part 1 - Adult stem rust reactions 31 Part 2 - Adult leaf rust reactions 32 Part 3 - Fusarium head blight reactions 33 Part 4 - Seedling stem rust infection types 34