The role of defense system of tree seedlings in the natural regeneration

• Project/Area Number: 22780154
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Forest science
• Research Institution: Forestry and Forest Products Research Institute
• Principal Investigator: ICHIHARA Yu 独立行政法人森林総合研究所, 東北支所, 主任研究員 (10353583)
• Co-Investigator(Renkei-kenkyūsha): SUGITA Hisashi 独立行政法人森林総合研究所, 森林植生研究領域, 室長 (60154473)
• Project Period (FY): 2010 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000); Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2010: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
• Keywords: 森林生態 / 保護 / 保全 / 森林科学 / 天然更新 / ブナ / 立枯病 / 防御機能 / 光環境 / 樹木個体群 / 病原菌

Research Abstract

The role of defense system of tree seedlings was studied in relation to decisive factor of initial survival in the natural regeneration of Fagus crenata. Seedling survival rate and the concentrations of antifungal substances were higher under the higher light conditions than that under lower light conditions. This result indicates that progress of defense system in seedlings is one of the decisive factors of initial survival of the seedlings.

Research Products

• [Journal Article] The role of catechin and epicatechin in chemical defense against damping-off fungi of current-year Fagus crenata seedlings in natural forest (2012)
  • Author(s): Yamaji Keiko、Ichihara Yu
  • Journal Title: Forest Pathology Volume: 42巻 Issue: 1 Pages: 1-7
  • DOI: 10.1111/j.1439-0329.2010.00709.x
  • Peer Reviewed
• [Journal Article] Masuya Hayato、Kubono Takanori、Seed Rot, a New Disease of Beech Tree Caused by Neonectria ramulariae (anamorph: Cylindrocarpon obtusiusculum) (2012)
  • Author(s): Hirooka Yuuri 、Ichihara Yu
  • Journal Title: Journal of Phytopathology Volume: 160巻 Pages: 504-506
  • Peer Reviewed
• [Journal Article] ブナやコナラの天然更新と菌害 (2012)
  • Author(s): 市原優
  • Journal Title: みどりの東北 Volume: 102巻 Pages: 4-4
• [Journal Article] Seed Rot, a New Disease of Beech Tree Caused by Neonectria ramulariae (anamorph: Cylindrocarpon obtusiusculum) (2012)
  • Author(s): 廣岡裕吏、市原 優、升屋勇人、窪野高徳
  • Journal Title: Journal of Phytopathology Volume: VOL. 160 Issue: 9 Pages: 504-506
  • DOI: 10.1111/j.1439-0434.2012.01934.x
  • Peer Reviewed
• [Journal Article] ブナやコナラの天然更新と菌害 (2012)
  • Author(s): 市原 優
  • Journal Title: みどりの東北 Volume: 102巻 Pages: 4-4
• [Journal Article] 明るい場所で育つブナの芽生えはなぜ病気に強い? (2011)
  • Author(s): 市原優、山路恵子
  • Journal Title: 季刊森林総研 Volume: 13巻 Pages: 12-13
• [Journal Article] 明るい場所で育つブナの芽生えはなぜ病気に強い? (2011)
  • Author(s): 市原優、山路恵子(筑波大院)
  • Journal Title: 季刊森林総研 Volume: 13 Pages: 12-13
• [Presentation] ブナ実生の立枯病菌接種による防御物質の変動 (2012)
  • Author(s): 市原優、山路恵子
  • Organizer: 東北森林科学会講演要旨集17
  • Place of Presentation: 秋田県生涯学習センター(秋田市)
  • Year and Date: 2012-08-22
• [Presentation] ブナ堅果腐敗の林床における分布 (2012)
  • Author(s): 市原優、升屋勇人、窪野高徳
  • Organizer: 日本森林学会大会学術講演集123
  • Place of Presentation: 宇都宮大学(宇都宮市)
  • Year and Date: 2012-03-27
• [Presentation] ブナ林の異なる光環境下におけるブナ当年生実生の立ち枯れによる消失過程-病原菌に対する抗菌物質の同定とその変動- (2012)
  • Author(s): 市原優、山路恵子(筑波大院)
  • Organizer: 日本生態学会第59回大会
  • Place of Presentation: 龍谷大学瀬田キャンパス(滋賀県)
  • Year and Date: 2012-03-17
• [Presentation] ブナ実生の立枯病菌接種による防御物質の変動 (2012)
  • Author(s): 市原 優、山路恵子
  • Organizer: 東北森林科学会
  • Place of Presentation: 秋田県生涯学習センター（秋田市）