1. National Institute of Agricultural Biotechnology; Suwon 441-707 Korea
2. Dep. of Crop Science; Chungbuk National Univ.; Chongju 361-763 Korea
3. Honam Agricultural Research Institute; Iksan 570-080 Korea
4. Youngnam Agricultural Research Institute; Milyang 627-130 Korea
5. H. Gauch, Crop and Soil Sciences; Cornell Univ.; Ithaca NY 14853-1901. Dep. of Plant Breeding; Cornell Univ.; Ithaca NY 14853-1901
6. Dep. of Plant Breeding; Cornell Univ.; Ithaca NY 14853-1901