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*Kazuhito Kita
Hokkaido Research Organization Forestry Research Institute
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Kazuko Uchiyama
Hokkaido Research Oraganiztion Forestry Researech Institue, Dohoku Branch
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Hirokazu Kon
Hokkaido Research Organization Forestry Research Institute
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Makoto Kuromaru
Hokkaido Research Organization Forestry Research Institute
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Akira Tamura
Forestry and Forest Products Research Institute, Forest Tree Breeding Center, Hokkaido Regional Breeding Office
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Haruki Orita
Forestry and Forest Products Research Institute, Forest Tree Breeding Center, Hokkaido Regional Breeding Office