Ophiostomatoid Fungi Associated with Bark Beetles on Abies veitchii in Wave-regenerated Forests

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概要

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• Relationships between tree mortality and bark beetle infestation on Abies veitchii at the wave-regenerated forest in Mt. Asahi, Okuchichibu area were investigated. Most of the firs with green needles and newly developed current year's shoots in the dieback zone were heavily infested by bark beetles before the death of the trees. After heavy infestation of beetles, about half of the infested firs died within the year, and the other half died in the next year. When the species composition of bark beetles and associated ophiostomatoid fungi were investigated in Mt. Asahi and also at a typical wave-regenerated forest in Mt. Shimagare, Yatsugatake area, Cryphalus montanus and C. piceae were dominant beetle species for Mt. Asahi and Mt. Shimagare, respectively. Ophiostoma subalpinum and O. europhioides were dominant fungal species at both wave-generated forests. Because O. subalpinum was detected more frequently from deeper areas of sapwood than O. europhioides, it was suggested that the fungal species may accelerate the death of stressed firs in wave-regenerated forests.

• 日本森林学会の論文
• 2002-08-16

著者

• MASUYA Hayato

  Forestry and Forest Products Research Institute

• OHTAKA Nobuaki

  Institute of Agriculture and Forestry, University of Tsukuba

• KANEKO Shigeru

  Forestry and Forest Products Research Institute

• Ohtaka Nobuaki

  Institute Of Agriculture And Forestry University Of Tsukuba

• Kaneko Shigeru

  Forestry & Forest Products Research Institute

• Kaneko S

  Forestry And Forest Products Research Institute

• Yamaoka Y

  Graduate School Of Life And Environmental Sciences University Of Tsukuba

• YAMAOKA Yuichi

  Laboratory of Plant Pathology and Mycology, Institute of Agriculture and Forestry, University of Tsu

• OHSAWA Masashi

  Yamanashi Forestry and Forest Products Research Institute

• Osawa Masashi

  Yamanashi Forestry And Forest Products Research Institute

• Ohsawa Masashi

  Yamanashi Forest Res. Inst. Yamanashi Jpn

• Ohtaka Nobuaki

  Laboratory of Plant Parasitic Mycology, Institute of Agriculture and Forestry, University of Tsukuba

• Masuya Hayato

  JST Domestic Fellow, Tohoku Research Center, Forestry and Forest Products Research Institute

• Masuya H

  Forestry And Forest Products Research Institute

• Yamaoka Y

  Graduate School Of Life & Environmental Sciences University Of Tsukuba

• Masuya Hayato

  Forestry And Forest Products Res. Inst. Ibaraki Jpn

• Kaneko S

  Forestry & Forest Products Research Institute

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