About HOSHI HIROSHI
About 森林総合研 林木育種セ
About TAKAHASHI MAKOTO
About 森林総合研 林木育種セ
About Bursaphelenchus xylophilus
About cultivar
About forest pest insect
About Pinus densiflora
About Pinus thunbergii
About plant breeding
About arboricultural land
About forest tree breeding
About forest
About maritime forest
About seed orchard
About resistant cultivar
About cultivar development
About Silviculture in general
About Crop breeding
About Plant damages caused by Nematodes(=nema,threadworms,eelworms)
About マツノザイセンチュウ
About 抵抗性
About 品種
About 開発
About 森林
About 総合
About 研究所
About 林木育種
About センター