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Effects of end of day lighting on prevention of leaf defomity and control of lettuce

Research Project

Project/Area Number 23580349
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Agricultural environmental engineering
Research InstitutionKagawa University

Principal Investigator

OKUDA Nobuyuki  香川大学, 農学部, 教授 (20253255)

Co-Investigator(Kenkyū-buntansha) YANAGI Tomohiro  香川大学, 農学部, 教授 (70221645)
Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords植物工場 / 光形態形成 / 環境調和型農林水産 / 地球温暖化条件 / レタス / 異常球 / End of Day光照射 / End of day 光照射 / 温暖化条件 / 夜冷処理 / 赤色光 / 遠赤色光 / ファイトトロン / LED
Research Abstract

As a problem associated with the cultivation of lettuce, the growth of stem and floral stage are facilitated under a high temperature, which will eventually reduce its quality. It is difficult to cultivate lettuce while controlling the temperature because of the production cost. An experiment was conducted on the growth control of lettuce under a high-temperature involving End-of-day light irradiation using LED light source. The seeds of lettuce were sown, and the plants were placed under a high temperature. Far-red and red LED lights were used as light sources. No light source for irradiation treatment was placed in the third treatment, as the control. Sixty days after the treatment by the Far-red light treatment, the stem length was the longest, and the floral stage was the highest. The results of the experiment on lettuce cultivation under a high-temperature suggest that End-of-day light irradiation using LED light source effectively controls the growth of lettuce.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (12 results)

All 2014 2013 2012

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (10 results)

  • [Journal Article] Effect of end-of-day light irradiation using LED light sources on the growth of lettuce under a high temperature2014

    • Author(s)
      Nobuyuki Okuda、Kana Toriyama、Yuta Miya、Tomohiro Yanagi、Kenzo Yamaguchi、Michio Tanaka
    • Journal Title

      Environmental Control in Biology

      Volume: 52(in press)

    • NAID

      130004542727

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of End-of-day light irradiation using LED light sources on the growth of lettuce under a high temperature2014

    • Author(s)
      Nobuyuki Okuda, Kana Toriyama, Yuta Miya, Tomohiro Yanagi, Kenzo Yamaguchi, Michio Tanaka
    • Journal Title

      Environmental Control in Biology

      Volume: 52

    • NAID

      130004542727

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第13報)短日夜冷処理及びLED光源によるEnd of Day電照処理の影響2013

    • Author(s)
      奥田延幸、通山香菜、宮悠太、大黒香奈美、田中道男、山口堅三
    • Organizer
      日本生物環境工学会2013年大会講演要旨、216-217(2013)
    • Place of Presentation
      香川大学大学幸町キャンパス
    • Year and Date
      2013-09-05
    • Related Report
      2013 Final Research Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第12報)短日夜冷処理期間の影響2013

    • Author(s)
      奥田延幸、通山香菜、宮悠太、大黒香奈美、柳智博
    • Organizer
      日本生物環境工学会2013年大会講演要旨、214-215(2013)
    • Place of Presentation
      香川大学大学幸町キャンパス
    • Year and Date
      2013-09-05
    • Related Report
      2013 Final Research Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第11報)短日および夜冷処理の影響2013

    • Author(s)
      奥田延幸、通山香菜、宮悠太、大黒香奈美、柳智博
    • Organizer
      日本生物環境工学会2013年大会講演要旨、212-213(2013)
    • Place of Presentation
      香川大学大学幸町キャンパス
    • Year and Date
      2013-09-05
    • Related Report
      2013 Final Research Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第 11 報)短日および夜冷処理の影響2013

    • Author(s)
      奥田延幸,通山香菜,宮 悠太,大黒香奈美,柳 智博
    • Organizer
      日本生物環境工学会
    • Place of Presentation
      香川大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第 12 報)短日夜冷処理期間の影響2013

    • Author(s)
      奥田延幸,通山香菜,宮 悠太,大黒香奈美,柳 智博
    • Organizer
      日本生物環境工学会
    • Place of Presentation
      香川大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第 13 報)短日夜冷処理及び LED 光源による End of Day 電照 処理の影響2013

    • Author(s)
      奥田延幸,通山香菜,宮 悠太,大黒香奈美,田中道男,山口堅三
    • Organizer
      日本生物環境工学会
    • Place of Presentation
      香川大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第10報)気孔開度に及ぼすEnd of day電照の影響2012

    • Author(s)
      奥田延幸、新家靖隆、齋藤恵、通山香菜、大黒香奈美、柳智博
    • Organizer
      日本生物環境工学会2012年大会講演要旨、292-293(2012)
    • Place of Presentation
      東京大学農学部
    • Year and Date
      2012-09-07
    • Related Report
      2013 Final Research Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第9報)LED光源によるEnd of day電照の影響2012

    • Author(s)
      奥田延幸、通山香菜、四本翔、新家靖隆、柳智博、田中道男、山口堅三
    • Organizer
      日本生物環境工学会2012年大会講演要旨、290-291(2012)
    • Place of Presentation
      東京大学農学部
    • Year and Date
      2012-09-07
    • Related Report
      2013 Final Research Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究(第9報)LED光源によるEnd of day電照の影響2012

    • Author(s)
      奥田延幸,通山香菜,四本 翔,新家靖隆,柳 智博,田中道男,山口堅三
    • Organizer
      日本生物環境工学会2012年東京大会
    • Place of Presentation
      東京大学農学部
    • Related Report
      2012 Research-status Report
  • [Presentation] レタスの花序形成並びに節間伸長に関する研究 (第10報) 気孔開度に及ぼすEnd of day電照の影響2012

    • Author(s)
      奥田延幸,新家靖隆,齋藤 恵,通山香菜,大黒香奈美,柳 智博
    • Organizer
      日本生物環境工学会2012年東京大会
    • Place of Presentation
      東京大学農学部
    • Related Report
      2012 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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