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Thermal imaging detects the physiological responses to drought stress of Dalbergia cochinchinensis seedlings

첫 페이지 보기
  • 발행기관
    강원대학교 산림과학연구소 바로가기
  • 간행물
    강원대학교 산림과학연구소 학술대회 바로가기
  • 통권
    2022 International symposium of Institute of Forest Science for the 40th Anniversary of College of Forest and Environment Science (2022.10)바로가기
  • 페이지
    pp.123-123
  • 저자
    Uk Han Jeong, Mala Seng, Eun Ju Cheong
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A450492

원문정보

초록

영어
Dalberigia cochinchinensis is a valuable tree species that has good quality and unique color of timber. The species is threatened to be extinct due to the over exploration and climate changes of the natural habitats. We investigated the responses of this species to the drought stress by measuring physiological parameters and infrared thermal imaging system. Physiological parameters are chlorophyll contents, transpiration rate (E), stomatal conductance (gs), net photosynthetic rate (A), water use efficiency (WUE) and chlorophyll fluorescence during the drought stress. Leave's temperatures were measured by the infrared thermal imaging camera. Most photosynthetic parameters were decreased after drought except water use efficiency (WUE). Under the drought stress, transpiration rate (E), stomatal conductance (gs), net photosynthetic rate (A) and chlorophyll content were decreased whereas water use efficiency (WUE) was increased. Chlorophyll fluorescence (Fv/Fm) of the seedlings had declined significantly in all drought stress condition. Temperature of the upper leaves increased more than the middle and the bottom leaves in all stress group. Stress responses were detected by physiological parameters and the thermal images which represent the leaf temperature. While there were wide variations in the physiological parameters, thermal imaging could measure the broad range of plants and less variation among the treatments. The combinations of physiological parameters and thermal image are more reliable to detect the water stress. Furthermore, it can be effectively used for determination of plant water need which can be used in precision irrigation system.

키워드

D. cochinchinensis Drought stress Non-destructive measurement Physiological characteristic Thermal imaging

저자

  • Uk Han Jeong [ Department of Forest Environment System, Kangwon National University ]
  • Mala Seng [ Department of Forest Environment System, Kangwon National University ]
  • Eun Ju Cheong [ Department of Forest Environment System, Kangwon National University ] Corresponding Author

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    강원대학교 산림과학연구소 [Institute of Forest Science Kangwon National University]
  • 설립연도
    1975
  • 분야
    농수해양>임학
  • 소개
    강원대학교부설산림과학연구소(이하 “연구소”라 한다)는 산림에 관한 제반 학술적 연구를 통하여 산림자원의 효용을 밝히고 임업 및 임산업의 발전에 기여함을 목적으로 한다.

간행물

  • 간행물명
    강원대학교 산림과학연구소 학술대회
  • 간기
    부정기
  • 수록기간
    2017~2024
  • 십진분류
    KDC 526 DDC 634

이 권호 내 다른 논문 / 강원대학교 산림과학연구소 학술대회 2022 International symposium of Institute of Forest Science for the 40th Anniversary of College of Forest and Environment Science

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