1. Dep. of Crop and Soil Science, 253 Crop Science Building Oregon State Univ. Corvallis OR 97331‐3002
2. USDA Washington State Univ. Pullman WA 99164‐6430
3. DNA Fingerprinting Unit National Center for Genetic Engineering and Biotechnology Kasetsart Univ. Kampangsaen Campus Nakorn Pathom Thailand
4. ICARDA/CIMMYT Apdo. 6‐641 06600 Mexico DF Mexico