| Affiliation: | (1) Graduate School of Agriculture, Hokkaido University, 060-8589 Sapporo, Japan;(2) Plant Biotechnology Laboratory, National Agricultural Research Center for Hokkaido Region, 062-8555 Sapporo, Japan;(3) Field Science Center for the Northern Biosphere, Hokkaido University, 060-0811 Sapporo, Japan;(4) Present address: National Institute of Floriculture Science, 305-8519-2-1 Fujimoto, Tsukuba, Ibaraki, Japan |
