1. Montana State Univ., Central Agricultural Research Center 52583 US HWY 87 Moccasin MT 59462
2. USDA‐ARS Beltsville Agric. Res. Ctr. 10300 Baltimore Ave. Beltsville MD 20705
3. Univ. of Vermont 278 S. Main Street St. Albans VT 05478
4. Dep. of Agronomy and Dep. Horticulture, 106 Horticulture Hall Iowa State Univ. Ames IA 50011
5. Dep. Plant Sci North Dakota State Univ. 166 Loftsgard Hall, North Bolley Drive Fargo ND 58102
6. Dep. Plant Biol., Rutgers The State Univ. NJ 59 Dudley Road ‐ Foran Hall New Brunswick NJ 08901‐8520
7. School of Food and Agric., Univ. Maine 495 College Avenue Orono ME 04473
8. Dep. of Plants, Soils, and Climate Utah State Univ. 4820 Old Main Hall Logan UT 84322‐4820
9. Dep. Plant Path Univ. of Wisconsin‐Madison 1630 Linden Dr. Madison WI 53706
10. Dep. of Crop & Soil Sciences, 101 Derieux Place, Campus Box 7620 North Carolina State Univ. Raleigh NC 27695