U.S. Vegetable Laboratory, USDA-ARS, 2700 Savannah Highway, Charleston, SC 29407, USA. E-mail: hharrison@saa.ars.usda.gov
*Correspondence author.
1Russell Research Center, Room 348, 950 College Station Road, Athens, GA 30601
Bacterial rot, Erwinia chrysanthemi, host plant resistance, polyphenol, sweet potato