Institution: | (1) National Horticultural Research Institute, Rural Development Administration, Suwon, 441-440, South Korea;(2) Research Management Bureau, Rural Development Administration, Suwon, 441-707, South Korea;(3) College of Agriculture & Life Sciences, Seoul National University, Seoul, 151-742, South Korea;(4) Department of Horticulture, Sangju National University, Sangju, 742-711, South Korea |