[1] Univ Idaho, Dept Plant Soil & Entomol Sci, Moscow, ID 83844 USA
[2] Univ Idaho, Dept Plant Soil & Entomol Sci, Aberdeen Res & Ext Ctr, Aberdeen, ID 83210 USA
[3] Univ Idaho, Dept Plant Soil & Entomol Sci, Parma Res & Ext Ctr, Parma, ID 83660 USA
[4] Cornell Univ, Plant Genet Resources Unit, Geneva, NY 14456 USA