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Survey of Major Diseases on Medicinal and Aromatic Plants Growing Areas of Ethiopia

Received: 5 December 2023    Accepted: 24 January 2024    Published: 27 February 2024
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Abstract

Medicinal and aromatic plants are industrial plant that are primarily used for therapeutic, aromatic and culinary purposes as components of cosmetics, medicinal products, health foods and other natural health products. Like other cereal crops, these potential medicinal and aromatic plants are constantly in grave danger from disease attack. The aim of this study was to assess the most prevalent diseases on prioritized medicinal and aromatic plants. Survey was conducted at Wondo Genet Agricultural research stations and herb growing companies in Ethiopia. Survey fields were observed from vegetative to maturity stage of the plant to assess the pest status. A total of 11 medicinal and aromatic plants were assessed in four different locations and these herbs were attacked by various diseases. Rust disease was the most serious problem on Aloe vera and Lemon grass, accounting for 30-40 percent of disease severity at Wondo Genet. In Butajira, powdery mildew was the most common disease found on sage, with a 20 percent severity. Downy mildew was recorded as a major disease on basil plants in Hawassa and Debre Zeit, with a 30-35 percent severity. Therefore, identification of the pathogen's causing agents and integrated disease management for the major recorded diseases of medicinal and aromatic plants needs further research.

Published in Journal of Diseases and Medicinal Plants (Volume 10, Issue 1)
DOI 10.11648/j.jdmp.20241001.11
Page(s) 1-7
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

Medicinal Aromatic Plants, Disease, Survey, Documentation, Ethiopia

References
[1] Banjaw D. T., Dikir W., Gebre A., Geja W., Tsegaye D., et al. (2016). Aromatic and Medicinal Plants in Wondogenet Agricultural Research Center Botanical Garden, South Ethiopia. Medicinal Aromatic Plants (Los Angel) 5: 278. https://doi.org/10.4172/2167-0412.1000278
[2] Singh R, Gangwar SP, Singh D, Singh R, Pandey R, Kalra A (2011) Medicinal plant Coleus forskohliiBriq.: Disease and management. Medic Plants. 3(1): 1-7.
[3] Mihiret M., Begashaw M, Beemnet M (2015) Screening of Botanical extracts for the control of Japanese mint (MenthaarvensisL.) Leaf rust (Pucciniamenthae) in Greenhouse and field condition. Afr J Crop Sci. 3 (7): 201-205.
[4] Joy P. P., Baby P. S., Samuel M., Gracy M., Ancy J. (2006). Lemongrass: The fame of Cochin. Indian Journal of Arecanut, Spices and Medicinal Plants 8 (2), 55-64.
[5] Beemnet M., Omarsherif M., Tsion T, Solomon A. (2010). Production, Processing and Utilization of Aromatic Plants, Ethiopian Institute of Agricultural Research (EIAR), Addis Ababa, Ethiopia, 31 pp.
[6] Simon JE, Chadwick AF and Cracker LE. 1984. The scientific literature on selected herbs and medicinal plants of the remperate zone. Arch. Int. Med 148: 36- 39. Stehmann JR and Brandaw MGL. 1995. Medicinal plants of Lauras Novas. Fitoterapia 56: 515-20.
[7] Stewart RB, Dagnatchew Yirgou (1967). Index of plant disease in Ethiopia. Haile Selassie I University, College of Agric., Debre Zeit, Bulletin 50. Debre Zeit, Ethiopia.
[8] Tesfaye B (2005). Survey report on pests of essential oil in Ethiopia (unpublished data). http://www.who.int/medicines/areas/traditional/selectmonovol4.pdf
[9] Beresford R. M., Mulholland R. I. (1987). Mint rust on cultivated peppermint in Canterbury: disease cycle and control by flaming. NZ Journal of Exp. Agriculture. 15: 229-233.
[10] Gutierrez, W. A. and Shew, H. D. (1998). Identification and Quantification of Ascospores as the Primary Inoculum for Collar Rot of Greenhouse-Produced Tobacco Seedlings. Plant Disease, 82, 485-490. http://dx.doi.org/10.1094/PDIS.1998.82.5.485
[11] Kinghorn, A. D. Stevia: The Genus Stevia (2002). Kinghorn, A. D. Stevia: The Genus Stevia (NY: Taylor & Francis, 2002) 3, 59.
[12] Brandle, J. E.; Starratt, A. N., Gijzen, M. (1998). “Stevia rebaudiana: Its biological, chemical and agricultural properties.” Canadian Journal of Plant Science. 78, pp 527-536 (1998).
[13] Kamalakannan, A., Valluvaparidasan V., Chitra K., Rajeswari E., Salaheddin K., Ladhalakshmi D. and Chandrasekaran A. (2007). First report of root rot of stevia caused by Sclerotium rolfsii in India. Plant Pathology 56(2): 350.
[14] Copsey, K. & Lerner, B. R. (2002). Growing herbs. Purdue University Cooperative Extension Service. Available at: http://www.hort.purdue.edu/ext/HO-28.pdf. [Accessed 09 April 15].
[15] CABI Crop Protection Compendium. (2008). Salvia officinalis (common sage) datasheet. Available at: http://www.cabi.org/cpc/datasheet/48211. [Accessed 09 April 15].
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  • APA Style

    Tefera, B. N. (2024). Survey of Major Diseases on Medicinal and Aromatic Plants Growing Areas of Ethiopia. Journal of Diseases and Medicinal Plants, 10(1), 1-7. https://doi.org/10.11648/j.jdmp.20241001.11

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    ACS Style

    Tefera, B. N. Survey of Major Diseases on Medicinal and Aromatic Plants Growing Areas of Ethiopia. J. Dis. Med. Plants 2024, 10(1), 1-7. doi: 10.11648/j.jdmp.20241001.11

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    AMA Style

    Tefera BN. Survey of Major Diseases on Medicinal and Aromatic Plants Growing Areas of Ethiopia. J Dis Med Plants. 2024;10(1):1-7. doi: 10.11648/j.jdmp.20241001.11

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  • @article{10.11648/j.jdmp.20241001.11,
      author = {Banchiamlak Nigussie Tefera},
      title = {Survey of Major Diseases on Medicinal and Aromatic Plants Growing Areas of Ethiopia},
      journal = {Journal of Diseases and Medicinal Plants},
      volume = {10},
      number = {1},
      pages = {1-7},
      doi = {10.11648/j.jdmp.20241001.11},
      url = {https://doi.org/10.11648/j.jdmp.20241001.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jdmp.20241001.11},
      abstract = {Medicinal and aromatic plants are industrial plant that are primarily used for therapeutic, aromatic and culinary purposes as components of cosmetics, medicinal products, health foods and other natural health products. Like other cereal crops, these potential medicinal and aromatic plants are constantly in grave danger from disease attack. The aim of this study was to assess the most prevalent diseases on prioritized medicinal and aromatic plants. Survey was conducted at Wondo Genet Agricultural research stations and herb growing companies in Ethiopia. Survey fields were observed from vegetative to maturity stage of the plant to assess the pest status. A total of 11 medicinal and aromatic plants were assessed in four different locations and these herbs were attacked by various diseases. Rust disease was the most serious problem on Aloe vera and Lemon grass, accounting for 30-40 percent of disease severity at Wondo Genet. In Butajira, powdery mildew was the most common disease found on sage, with a 20 percent severity. Downy mildew was recorded as a major disease on basil plants in Hawassa and Debre Zeit, with a 30-35 percent severity. Therefore, identification of the pathogen's causing agents and integrated disease management for the major recorded diseases of medicinal and aromatic plants needs further research.
    },
     year = {2024}
    }
    

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    AB  - Medicinal and aromatic plants are industrial plant that are primarily used for therapeutic, aromatic and culinary purposes as components of cosmetics, medicinal products, health foods and other natural health products. Like other cereal crops, these potential medicinal and aromatic plants are constantly in grave danger from disease attack. The aim of this study was to assess the most prevalent diseases on prioritized medicinal and aromatic plants. Survey was conducted at Wondo Genet Agricultural research stations and herb growing companies in Ethiopia. Survey fields were observed from vegetative to maturity stage of the plant to assess the pest status. A total of 11 medicinal and aromatic plants were assessed in four different locations and these herbs were attacked by various diseases. Rust disease was the most serious problem on Aloe vera and Lemon grass, accounting for 30-40 percent of disease severity at Wondo Genet. In Butajira, powdery mildew was the most common disease found on sage, with a 20 percent severity. Downy mildew was recorded as a major disease on basil plants in Hawassa and Debre Zeit, with a 30-35 percent severity. Therefore, identification of the pathogen's causing agents and integrated disease management for the major recorded diseases of medicinal and aromatic plants needs further research.
    
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Author Information
  • Ethiopian Institute of Agriculture Research, Plant Protection Department, Wondo Genet Agricultural Research Center, Wondo Genet, Ethiopia

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