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Diagnostic Value of the Leaf Chlorophyll in Some Members of the Family Euphorbiaceae Juss

Received: 23 April 2019     Accepted: 31 May 2019     Published: 1 July 2019
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Abstract

The spurge family Euphorbiaceae Juss. is a large family of flowering plants, most are herbs, but some, especially in the tropics, are also shrubs or trees, succulent and resemble cacti. Diagnostic values of the leaf chlorophyll of seven members of two genera (Euphorbia L. and Jatropha L.) of Euphorbiaceae Juss. were studied namely E. neriifolia, E. heterophylla, E. convolvuloides, E. hirta, J. curcas, J. gossypifolia and J. multifida. Analysis of variance was used to test for significance differences among the seven taxa considered. There is correlation between the chlorophyll content and leaf area; the plant (E. heterophylla) with larger leaf area (203.49cm2) has highest chlorophyll content (8.63g/cm2) and J. curcashas the lowest mean leaf area (64.41cm2) lowest chlorophyll content of 1.28g/cm2. Such correlation was not observed between the leaf per gram fresh weight and chlorophyll contentand % chlorophyll content, where E. convolvuloides has the higher leaf area per gram fresh weight (162.79g) and E. heterophylla has the least (89.85g). Generally, species of Euphorbia have higher features in % chlorophyll content (E. heterophylla-75.07%), chlorophyll content (E. heterophylla-8.63g/cm2), leaf area per gram fresh weight (E. convolvuloides-162.79g) and leaf area (E. heterophylla-203.49) than the Jatropha species. These features are found to be good taxonomic characters and thus indented dichotomous taxonomic keyswere constructed based separately for the two genera.

Published in American Journal of Biological and Environmental Statistics (Volume 5, Issue 2)
DOI 10.11648/j.ajbes.20190502.11
Page(s) 16-20
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), 2019. Published by Science Publishing Group

Keywords

Chlorophyll, Diagnostic Value, Euphorbia, Jatropha, Leaf, Taxonomy

References
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    Adewumi Aderiike Grace, Abdulrahaman Abdullahi Alanamu, Oladele Felix Ayotunde, Idika Digbo Iku, Ogunnowo Ayodele Adewole. (2019). Diagnostic Value of the Leaf Chlorophyll in Some Members of the Family Euphorbiaceae Juss. American Journal of Biological and Environmental Statistics, 5(2), 16-20. https://doi.org/10.11648/j.ajbes.20190502.11

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    Adewumi Aderiike Grace; Abdulrahaman Abdullahi Alanamu; Oladele Felix Ayotunde; Idika Digbo Iku; Ogunnowo Ayodele Adewole. Diagnostic Value of the Leaf Chlorophyll in Some Members of the Family Euphorbiaceae Juss. Am. J. Biol. Environ. Stat. 2019, 5(2), 16-20. doi: 10.11648/j.ajbes.20190502.11

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    AMA Style

    Adewumi Aderiike Grace, Abdulrahaman Abdullahi Alanamu, Oladele Felix Ayotunde, Idika Digbo Iku, Ogunnowo Ayodele Adewole. Diagnostic Value of the Leaf Chlorophyll in Some Members of the Family Euphorbiaceae Juss. Am J Biol Environ Stat. 2019;5(2):16-20. doi: 10.11648/j.ajbes.20190502.11

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  • @article{10.11648/j.ajbes.20190502.11,
      author = {Adewumi Aderiike Grace and Abdulrahaman Abdullahi Alanamu and Oladele Felix Ayotunde and Idika Digbo Iku and Ogunnowo Ayodele Adewole},
      title = {Diagnostic Value of the Leaf Chlorophyll in Some Members of the Family Euphorbiaceae Juss},
      journal = {American Journal of Biological and Environmental Statistics},
      volume = {5},
      number = {2},
      pages = {16-20},
      doi = {10.11648/j.ajbes.20190502.11},
      url = {https://doi.org/10.11648/j.ajbes.20190502.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbes.20190502.11},
      abstract = {The spurge family Euphorbiaceae Juss. is a large family of flowering plants, most are herbs, but some, especially in the tropics, are also shrubs or trees, succulent and resemble cacti. Diagnostic values of the leaf chlorophyll of seven members of two genera (Euphorbia L. and Jatropha L.) of Euphorbiaceae Juss. were studied namely E. neriifolia, E. heterophylla, E. convolvuloides, E. hirta, J. curcas, J. gossypifolia and J. multifida. Analysis of variance was used to test for significance differences among the seven taxa considered. There is correlation between the chlorophyll content and leaf area; the plant (E. heterophylla) with larger leaf area (203.49cm2) has highest chlorophyll content (8.63g/cm2) and J. curcashas the lowest mean leaf area (64.41cm2) lowest chlorophyll content of 1.28g/cm2. Such correlation was not observed between the leaf per gram fresh weight and chlorophyll contentand % chlorophyll content, where E. convolvuloides has the higher leaf area per gram fresh weight (162.79g) and E. heterophylla has the least (89.85g). Generally, species of Euphorbia have higher features in % chlorophyll content (E. heterophylla-75.07%), chlorophyll content (E. heterophylla-8.63g/cm2), leaf area per gram fresh weight (E. convolvuloides-162.79g) and leaf area (E. heterophylla-203.49) than the Jatropha species. These features are found to be good taxonomic characters and thus indented dichotomous taxonomic keyswere constructed based separately for the two genera.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Diagnostic Value of the Leaf Chlorophyll in Some Members of the Family Euphorbiaceae Juss
    AU  - Adewumi Aderiike Grace
    AU  - Abdulrahaman Abdullahi Alanamu
    AU  - Oladele Felix Ayotunde
    AU  - Idika Digbo Iku
    AU  - Ogunnowo Ayodele Adewole
    Y1  - 2019/07/01
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ajbes.20190502.11
    DO  - 10.11648/j.ajbes.20190502.11
    T2  - American Journal of Biological and Environmental Statistics
    JF  - American Journal of Biological and Environmental Statistics
    JO  - American Journal of Biological and Environmental Statistics
    SP  - 16
    EP  - 20
    PB  - Science Publishing Group
    SN  - 2471-979X
    UR  - https://doi.org/10.11648/j.ajbes.20190502.11
    AB  - The spurge family Euphorbiaceae Juss. is a large family of flowering plants, most are herbs, but some, especially in the tropics, are also shrubs or trees, succulent and resemble cacti. Diagnostic values of the leaf chlorophyll of seven members of two genera (Euphorbia L. and Jatropha L.) of Euphorbiaceae Juss. were studied namely E. neriifolia, E. heterophylla, E. convolvuloides, E. hirta, J. curcas, J. gossypifolia and J. multifida. Analysis of variance was used to test for significance differences among the seven taxa considered. There is correlation between the chlorophyll content and leaf area; the plant (E. heterophylla) with larger leaf area (203.49cm2) has highest chlorophyll content (8.63g/cm2) and J. curcashas the lowest mean leaf area (64.41cm2) lowest chlorophyll content of 1.28g/cm2. Such correlation was not observed between the leaf per gram fresh weight and chlorophyll contentand % chlorophyll content, where E. convolvuloides has the higher leaf area per gram fresh weight (162.79g) and E. heterophylla has the least (89.85g). Generally, species of Euphorbia have higher features in % chlorophyll content (E. heterophylla-75.07%), chlorophyll content (E. heterophylla-8.63g/cm2), leaf area per gram fresh weight (E. convolvuloides-162.79g) and leaf area (E. heterophylla-203.49) than the Jatropha species. These features are found to be good taxonomic characters and thus indented dichotomous taxonomic keyswere constructed based separately for the two genera.
    VL  - 5
    IS  - 2
    ER  - 

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Author Information
  • Department of Basic Sciences, Babcock University, Ilishan Remo, Nigeria

  • Department of Plant Biology, University of Ilorin, Ilorin, Nigeria

  • Department of Plant Biology, University of Ilorin, Ilorin, Nigeria

  • Department of Basic Sciences, Babcock University, Ilishan Remo, Nigeria

  • Department of Basic Sciences, Babcock University, Ilishan Remo, Nigeria

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