1. Forage and Range Res. Lab., Utah State Univ. Logan UT 84322‐6300
2. Dep. of Agronomy Iowa State Univ. Ames IA 50011
3. Allelix, Inc. 6850 Goreway Dr. Mississauga Ontario Canada L4V 1P1
4. Hunter Biosciences, Inc. 3208 Spring Forest Rd. Raleigh NC 27604