[1] Niigata University Graduate School of Science and Technology,
[2] Niigata,undefined
[3] Niigata 950-2101,undefined
[4] Japan,undefined
[5] Department of Forest Genetics,undefined
[6] Forestry and Forest Products Research Institute,undefined
[7] Tsukuba,undefined
[8] Ibaraki 305-8687,undefined
[9] Japan,undefined