1. Horticultural Sciences Department IFAS Gulf Coast Research and Education Center, University of Florida, Wimauma, USA
2. Department of Plant Science and Technology, Chung-Ang University, Anseong, Republic of Korea
3. Department of Horticultural Science, Chungbuk National University, Chungbuk, South Korea
4. Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju, South Korea