1. Department of Crop
Science, College of Agriculture and Life Sciences, Chungnam National University, 99 Daehangno,
Yuseong-gu, Daejeon 305-764, Korea
2. National Academy
of Agricultural Science, Rural Development Administration, Suwon 441-707, Korea
3. Department of Integrative
Plant Science, Chung-Ang University, Anseong 456-756, Korea
4. Department of Horticultural
Science, College of Industrial Sciences, Kongju National University, 1 Daehoe-ri, Yesan-kun,
Chungnam 340-720, Korea