1. USDA-ARS Cereal Disease Laboratory; Dep. of Agronomy and Plant Genetics; Univ. of Minnesota; St. Paul MN 55108
2. CIMMYT; Apdo. Postal 6-641 06600 Mexico DF Mexico
3. CSIRO Plant Industry; Canberra ACT 2601 Australia
4. Campo Experimental Valle de México INIFAP; Apdo. Postal 10 56230 Chapingo Edo de México Mexico
5. DNRE; Horsham VIC Australia
6. NSW Dep. of Primary Industries; Wagga Wagga NSW 2650 Australia
7. John Innes Centre; Norwich UK
8. Univ. of Sydney-Plant Breeding Institute; Camden NSW Australia