1. Department of Agronomy, Tekirdag Faculty of AgricultureUniversity of TrakyaTekirdagTurkey
2. USDA‐ARS, Wheat, Sorghum, and Forage Research UnitUniversity of Nebraska344 Keim Hall, P.O. Box 830937LincolnNE68507‐0937
3. K. Arumuganathan, formerly at Center for BiotechnologyUniversity of NebraskaLincolnNE68588
4. Virginia Mason Research CenterBenaroya Research Institute1201 Ninth AvenueSeattleWA98101USA