American Journal of Agriculture and Forestry

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Numerical Indicators of Absorption Spectra of Leaf Extracts Obtained from Conifer Family Plants

Received: 21 March 2019    Accepted: 27 April 2019    Published: 12 June 2019
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Abstract

The purpose of this study is to examine the ratios of absorption by photosynthetic complex substances and other components of leaf extracts obtained from conifer family plants of different genera. Such ratios were determined by absorption spectrometry method using unconventional numerical values of absorption spectra, such as wave length of the highest maximum, coefficient of relative photoabsorption, blue-red coefficient, total absorption intensity and relative share of absorption by photosynthetic complex substances in total absorption. The intensity of light energy’s utilization by conifers was shown to be the highest among conifers of pine family, to be the lowest among spruce family plants and to have intermediate values among plants of fir and cypress genera. Numerical indicators of absorption spectra used in this article reflect the properties of photoreceptive system of coniferous plants and could be used in photosynthesis studies and also as criteria in environmental science and plant resources monitoring during assessment of the impact anthropogenic, climate and other factors have on coniferous forests.

DOI 10.11648/j.ajaf.20190703.13
Published in American Journal of Agriculture and Forestry (Volume 7, Issue 3, May 2019)
Page(s) 106-110
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Photosynthesis, Spectrophotometry, Spruce, Fir, Pine, Chamaecyparis Lawsoniana

References
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Author Information
  • Federal Scientific Centre of the East Asia Terrestrial Biodiversity, Vladivostok, Russia

  • Federal Scientific Centre of the East Asia Terrestrial Biodiversity, Vladivostok, Russia

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  • APA Style

    Vladimir Mikhaylovitch Koldaev, Marina Sergeevna Titova. (2019). Numerical Indicators of Absorption Spectra of Leaf Extracts Obtained from Conifer Family Plants. American Journal of Agriculture and Forestry, 7(3), 106-110. https://doi.org/10.11648/j.ajaf.20190703.13

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    ACS Style

    Vladimir Mikhaylovitch Koldaev; Marina Sergeevna Titova. Numerical Indicators of Absorption Spectra of Leaf Extracts Obtained from Conifer Family Plants. Am. J. Agric. For. 2019, 7(3), 106-110. doi: 10.11648/j.ajaf.20190703.13

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    AMA Style

    Vladimir Mikhaylovitch Koldaev, Marina Sergeevna Titova. Numerical Indicators of Absorption Spectra of Leaf Extracts Obtained from Conifer Family Plants. Am J Agric For. 2019;7(3):106-110. doi: 10.11648/j.ajaf.20190703.13

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  • @article{10.11648/j.ajaf.20190703.13,
      author = {Vladimir Mikhaylovitch Koldaev and Marina Sergeevna Titova},
      title = {Numerical Indicators of Absorption Spectra of Leaf Extracts Obtained from Conifer Family Plants},
      journal = {American Journal of Agriculture and Forestry},
      volume = {7},
      number = {3},
      pages = {106-110},
      doi = {10.11648/j.ajaf.20190703.13},
      url = {https://doi.org/10.11648/j.ajaf.20190703.13},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajaf.20190703.13},
      abstract = {The purpose of this study is to examine the ratios of absorption by photosynthetic complex substances and other components of leaf extracts obtained from conifer family plants of different genera. Such ratios were determined by absorption spectrometry method using unconventional numerical values of absorption spectra, such as wave length of the highest maximum, coefficient of relative photoabsorption, blue-red coefficient, total absorption intensity and relative share of absorption by photosynthetic complex substances in total absorption. The intensity of light energy’s utilization by conifers was shown to be the highest among conifers of pine family, to be the lowest among spruce family plants and to have intermediate values among plants of fir and cypress genera. Numerical indicators of absorption spectra used in this article reflect the properties of photoreceptive system of coniferous plants and could be used in photosynthesis studies and also as criteria in environmental science and plant resources monitoring during assessment of the impact anthropogenic, climate and other factors have on coniferous forests.},
     year = {2019}
    }
    

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    T1  - Numerical Indicators of Absorption Spectra of Leaf Extracts Obtained from Conifer Family Plants
    AU  - Vladimir Mikhaylovitch Koldaev
    AU  - Marina Sergeevna Titova
    Y1  - 2019/06/12
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ajaf.20190703.13
    DO  - 10.11648/j.ajaf.20190703.13
    T2  - American Journal of Agriculture and Forestry
    JF  - American Journal of Agriculture and Forestry
    JO  - American Journal of Agriculture and Forestry
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    EP  - 110
    PB  - Science Publishing Group
    SN  - 2330-8591
    UR  - https://doi.org/10.11648/j.ajaf.20190703.13
    AB  - The purpose of this study is to examine the ratios of absorption by photosynthetic complex substances and other components of leaf extracts obtained from conifer family plants of different genera. Such ratios were determined by absorption spectrometry method using unconventional numerical values of absorption spectra, such as wave length of the highest maximum, coefficient of relative photoabsorption, blue-red coefficient, total absorption intensity and relative share of absorption by photosynthetic complex substances in total absorption. The intensity of light energy’s utilization by conifers was shown to be the highest among conifers of pine family, to be the lowest among spruce family plants and to have intermediate values among plants of fir and cypress genera. Numerical indicators of absorption spectra used in this article reflect the properties of photoreceptive system of coniferous plants and could be used in photosynthesis studies and also as criteria in environmental science and plant resources monitoring during assessment of the impact anthropogenic, climate and other factors have on coniferous forests.
    VL  - 7
    IS  - 3
    ER  - 

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