1. Dep. of Agronomy & HorticultureUniv. of Nebraska‐LincolnLincolnNE68583
2. Bayer Crop Sciences2483 County Rd. A.DentonNE68339
3. Dep. of AgronomyPurdue Univ.West LafayetteIN47907
4. Dep. of Plants, Soil, and Microbial SciencesMichigan State Univ.East LansingMI48824
5. Residex Professional Pest and Turf Management SupplyNoviMI48377