Journal of Plant Sciences

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Incidence and Distribution of African Cassava Mosaic Virus in the Guinea Savannah Vegetation zone of Nigeria

Received: 31 October 2020    Accepted: 01 December 2020    Published: 12 January 2021
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Abstract

African Cassava Mosaic Virus (ACMV) is one of the major diseases affecting cassava production in Sub-Saharan Africa. A survey was conducted between August and September 2019 in the Federal Capital Territory (FCT), Niger and Benue states of the Guinea savannah vegetation zone of Nigeria, where cassava is predominantly cultivated, to assess the incidence and distribution of ACMV. Leaf samples collected from this survey were subjected to molecular indexing using Polymerase Chain Reaction (PCR). Further phylogenic analysis sequencing was done to determine the diversity among the isolates obtained from the study. A total of 81 farms were visited from where 2,025 symptomatic and asymptomatic leaf samples (25 leaf samples per farm) were collected randomly in quadrants of 5m x 5m. The surveyed fields were assessed for virus disease incidence and severity by visual observation. From the samples collected, FCT had the highest incidence (62%) while Benue had the lowest (18%). FCT also recorded the highest severity while Benue had the lowest. After molecular indexing using PCR, FCT recorded the highest incidence to ACMV (22.22%), while no ACMV incidence was recorded in Benue state. The sequencing and phylogenic analysis reveals that there is a high diversity among the isolates obtained in the areas surveyed. This study indicates the presence of ACMV in the Guinea Savannah vegetation zone of Nigeria and has confirmed that cassava Mosaic Disease could be a threat to cassava production in the zone, therefore, the need for quick diagnosis.

DOI 10.11648/j.jps.20210901.11
Published in Journal of Plant Sciences (Volume 9, Issue 1, February 2021)
Page(s) 1-8
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

Virus, Survey, Cassava, Cassava Mosaic Disease, Polymerase Chain Reaction (PCR)

References
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[6] Thresh J. M, Cooter RJ (2005). Strategies for controlling cassava mosaic virus disease in Africa. Plant Pathol. 54:587-614. infections with African cassava mosaic virus in Nigeria. Plant Dis. 87: 229-232.
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[8] Alabi, O. J., Kumar, P. L., and Naidu, R. A. (2011). Cassava mosaic disease: A curse to food security in Sub-Saharan Africa. Online. APSnet Features. doi:10.1094/APSnetFeature-2011-0701.
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Author Information
  • National Agricultural Seeds Council, Abuja, Nigeria; Department of Crop Protection, Faculty of Agriculture, University of Abuja, Abuja, Nigeria

  • Department of Crop Protection, Faculty of Agriculture, University of Abuja, Abuja, Nigeria

  • Department of Crop Protection, Faculty of Agriculture, University of Abuja, Abuja, Nigeria

  • National Agricultural Seeds Council, Abuja, Nigeria; Department of Crop Protection, Faculty of Agriculture, University of Abuja, Abuja, Nigeria

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  • APA Style

    Tolani Adegbite Okelola, Shatu Wudiri Asala, Akeem Abolade Oyerinde, Oladapo Oluwatobi Folarin. (2021). Incidence and Distribution of African Cassava Mosaic Virus in the Guinea Savannah Vegetation zone of Nigeria. Journal of Plant Sciences, 9(1), 1-8. https://doi.org/10.11648/j.jps.20210901.11

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    ACS Style

    Tolani Adegbite Okelola; Shatu Wudiri Asala; Akeem Abolade Oyerinde; Oladapo Oluwatobi Folarin. Incidence and Distribution of African Cassava Mosaic Virus in the Guinea Savannah Vegetation zone of Nigeria. J. Plant Sci. 2021, 9(1), 1-8. doi: 10.11648/j.jps.20210901.11

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    AMA Style

    Tolani Adegbite Okelola, Shatu Wudiri Asala, Akeem Abolade Oyerinde, Oladapo Oluwatobi Folarin. Incidence and Distribution of African Cassava Mosaic Virus in the Guinea Savannah Vegetation zone of Nigeria. J Plant Sci. 2021;9(1):1-8. doi: 10.11648/j.jps.20210901.11

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  • @article{10.11648/j.jps.20210901.11,
      author = {Tolani Adegbite Okelola and Shatu Wudiri Asala and Akeem Abolade Oyerinde and Oladapo Oluwatobi Folarin},
      title = {Incidence and Distribution of African Cassava Mosaic Virus in the Guinea Savannah Vegetation zone of Nigeria},
      journal = {Journal of Plant Sciences},
      volume = {9},
      number = {1},
      pages = {1-8},
      doi = {10.11648/j.jps.20210901.11},
      url = {https://doi.org/10.11648/j.jps.20210901.11},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.jps.20210901.11},
      abstract = {African Cassava Mosaic Virus (ACMV) is one of the major diseases affecting cassava production in Sub-Saharan Africa. A survey was conducted between August and September 2019 in the Federal Capital Territory (FCT), Niger and Benue states of the Guinea savannah vegetation zone of Nigeria, where cassava is predominantly cultivated, to assess the incidence and distribution of ACMV. Leaf samples collected from this survey were subjected to molecular indexing using Polymerase Chain Reaction (PCR). Further phylogenic analysis sequencing was done to determine the diversity among the isolates obtained from the study. A total of 81 farms were visited from where 2,025 symptomatic and asymptomatic leaf samples (25 leaf samples per farm) were collected randomly in quadrants of 5m x 5m. The surveyed fields were assessed for virus disease incidence and severity by visual observation. From the samples collected, FCT had the highest incidence (62%) while Benue had the lowest (18%). FCT also recorded the highest severity while Benue had the lowest. After molecular indexing using PCR, FCT recorded the highest incidence to ACMV (22.22%), while no ACMV incidence was recorded in Benue state. The sequencing and phylogenic analysis reveals that there is a high diversity among the isolates obtained in the areas surveyed. This study indicates the presence of ACMV in the Guinea Savannah vegetation zone of Nigeria and has confirmed that cassava Mosaic Disease could be a threat to cassava production in the zone, therefore, the need for quick diagnosis.},
     year = {2021}
    }
    

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    T1  - Incidence and Distribution of African Cassava Mosaic Virus in the Guinea Savannah Vegetation zone of Nigeria
    AU  - Tolani Adegbite Okelola
    AU  - Shatu Wudiri Asala
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    JF  - Journal of Plant Sciences
    JO  - Journal of Plant Sciences
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    PB  - Science Publishing Group
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    UR  - https://doi.org/10.11648/j.jps.20210901.11
    AB  - African Cassava Mosaic Virus (ACMV) is one of the major diseases affecting cassava production in Sub-Saharan Africa. A survey was conducted between August and September 2019 in the Federal Capital Territory (FCT), Niger and Benue states of the Guinea savannah vegetation zone of Nigeria, where cassava is predominantly cultivated, to assess the incidence and distribution of ACMV. Leaf samples collected from this survey were subjected to molecular indexing using Polymerase Chain Reaction (PCR). Further phylogenic analysis sequencing was done to determine the diversity among the isolates obtained from the study. A total of 81 farms were visited from where 2,025 symptomatic and asymptomatic leaf samples (25 leaf samples per farm) were collected randomly in quadrants of 5m x 5m. The surveyed fields were assessed for virus disease incidence and severity by visual observation. From the samples collected, FCT had the highest incidence (62%) while Benue had the lowest (18%). FCT also recorded the highest severity while Benue had the lowest. After molecular indexing using PCR, FCT recorded the highest incidence to ACMV (22.22%), while no ACMV incidence was recorded in Benue state. The sequencing and phylogenic analysis reveals that there is a high diversity among the isolates obtained in the areas surveyed. This study indicates the presence of ACMV in the Guinea Savannah vegetation zone of Nigeria and has confirmed that cassava Mosaic Disease could be a threat to cassava production in the zone, therefore, the need for quick diagnosis.
    VL  - 9
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