1. USDA–ARS, Tropical Agriculture Research Station2200 Pedro Albizu Campos AvenueMayaguezPuerto Rico00680
2. Department of Agroenvironmental SciencesUniversity of Puerto Rico‐Mayaguez CampusMayaguezPuerto Rico00680
3. USDA–ARS, Southern Plains Agriculture Research Center2881 F & B RoadCollege StationTX77845
4. Dep. of Bioinformatics and GenomicsUniv. of North Carolina at CharlotteNC Research Campus, 150 Research Campus Dr.KannapolisNC280281
5. USDA–ARS, Grain Quality and Structure Research Unit1515 College Ave. CGAHRManhattanKS66502
6. Dep. of Soil and Crop SciencesTexas A&M Univ.College StationTexas77843‐2474