1. Dep. of Agronomy Kansas State Univ. 2004 Throckmorton Plant Science Center Manhattan KS 66506 USA
2. Corteva Agriscience 701 Kansas Cutoff Wamego KS 66547 USA
3. Horticultural Sciences Dep. Univ. of Florida Gainesville FL 32611 USA
4. Dep. of Soil and Crop Sciences Colorado State Univ. Plant Science Building Fort Collins CO 80523 USA