About SAITO SHOICHI
About 山形県森林研究研修セ
About NAKAMURA HITOSHI
About 山形県森林研究研修セ
About plant death
About Scolytidae
About Quercus mongolica var.Crispula
About Quercus serrata
About mold fungi
About germicide
About action and effect
About suppression and control
About drawing(extension)
About nitrogen heterocyclic compound
About organochlorine compound
About carboxamide
About Platypus quercivorus
About Raffaelea quercivora
About mass mortality of Japanese oak
About germicide
About extension
About inhibitory effect
About Forest biology in general
About Plant deseases caused by microorganisms in general
About Plant damage caused by insects,mites
About Chemical pest control
About Triforine
About ナラ枯れ
About 予防
About 殺菌剤
About ナラ菌
About 接種
About 伸張
About 効果判定