1. Interdepartmental Genetics Kansas State Univ. Manhattan KS 66506
2. Biometrics and Statistics Unit International Maize and Wheat Improvement Center (CIMMYT) Postal Apdo. 06600 México D.F. México
3. Wheat Genetics Resource Center Dep. of Plant Pathology Kansas State Univ. Manhattan KS 66506
4. Bayer Crop Science Sabin MN 56580
5. Wheat Genetics Resource Center Dep. of Plant Pathology and Dep. of Agronomy Kansas State Univ. Manhattan KS 66506