Institution: | (1) Division of Applied Bioscience, Graduate School of Agriculture, Hokkaido University, Kita-ku, Sapporo 060-8589, Japan;(2) Present address: JSPS Fellows, Tohoku Research Center, Forestry and Forest Products Research Institute, 92-25 Aza Nabeyashiki, Shimokuriyagawa , Morioka 020-0123, Japan |