1 United States Department of Agriculture, Agricultural Research Service, Subtropical Horticulture Research Station, Miami, FL, USA.
2 Present address: Department of Plant Biotechnology, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat, Egypt.
3 United States Department of Agriculture, Agricultural Research Service, Subtropical Horticulture Research Station, Miami, FL, USA. Gul.Ali@usda.gov.