1. Department of Plant Medicine, College of Life Science and Natural Resources, Sunchon National University, Suncheon 57922, Korea
2. Interdisciplinary Program in IT-Bio Convergence System (BK21 plus), Sunchon National University, Suncheon 57922, Korea
3. Pear Research Institute, National Institute of Horticultural and Herbal Science, Naju 58216, Korea