Evaluation location: Virgin Islands, U.S., United States
St. Croix quarantine increase of Sudan Collection. Anthesis short days (ANTHESIS1) data was taken at St. Croix, USVI in 1993. Anthesis long days (ANTHESIS2) data was taken at West Lafayette, IL, Lubbock, TX, Manhattan, KS, and Fortuna, PR in the summer of 1994.