Antifungal Potential of Sweet Orange Essential Oil on Pathogens of Two Important Cocoa Diseases in Ghana

Plants are known to possess antimicrobial properties, as such, their extracts remain potential sources of eco-friendly antimicrobial products. Extracts from sweet orange have been evaluated as potential antimicrobial sources. However, their activity against pathogens of major agricultural crops such...

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Main Authors: Yahaya Bukari, Silas Wintuma Avicor, Michael Kojo Ainooson, Eric Kumi Asare, Godfred Kweku Awudzi, Ishmael Amoako-Attah
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:International Journal of Agronomy
Online Access:http://dx.doi.org/10.1155/ioa/7439318
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author Yahaya Bukari
Silas Wintuma Avicor
Michael Kojo Ainooson
Eric Kumi Asare
Godfred Kweku Awudzi
Ishmael Amoako-Attah
author_facet Yahaya Bukari
Silas Wintuma Avicor
Michael Kojo Ainooson
Eric Kumi Asare
Godfred Kweku Awudzi
Ishmael Amoako-Attah
author_sort Yahaya Bukari
collection DOAJ
description Plants are known to possess antimicrobial properties, as such, their extracts remain potential sources of eco-friendly antimicrobial products. Extracts from sweet orange have been evaluated as potential antimicrobial sources. However, their activity against pathogens of major agricultural crops such as cocoa is unknown. In this study, the essential oil (EO) of the peel of sweet orange was evaluated against Marasmiellus scandens and Erythricium salmonicolor, the pathogens, respectively, responsible for causing white thread blight and pink disease on cocoa. Minimum Inhibitory Concentration (MIC), IC50, IC90, and IC95 against mycelial growth of the pathogens were determined by agar plate tests following 7 days of incubation. Mycelial growths of the two pathogens were completely (100%) inhibited at 10% (w/v) of the EO. The MIC, IC50, IC90, and IC95 against M. scandens were 0.1%, 0.25%, 1.23%, and 2.11% while those against E. salmonicolor were 0.01%, 0.13%, 0.75%, and 1.35%, respectively. This study shows that EO of sweet orange peel has antifungal activity against the pathogens. Determining the bioactivity of the individual compounds in the EO and field application of effective formulations in future research has potential for the biological control of these fungal diseases of cocoa.
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issn 1687-8167
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spelling doaj-art-7a536f31e1f44fe1bbecf7ee401782112025-02-07T00:47:30ZengWileyInternational Journal of Agronomy1687-81672025-01-01202510.1155/ioa/7439318Antifungal Potential of Sweet Orange Essential Oil on Pathogens of Two Important Cocoa Diseases in GhanaYahaya Bukari0Silas Wintuma Avicor1Michael Kojo Ainooson2Eric Kumi Asare3Godfred Kweku Awudzi4Ishmael Amoako-Attah5Pathology DivisionEntomology DivisionDepartment of ChemistryPathology DivisionEntomology DivisionPathology DivisionPlants are known to possess antimicrobial properties, as such, their extracts remain potential sources of eco-friendly antimicrobial products. Extracts from sweet orange have been evaluated as potential antimicrobial sources. However, their activity against pathogens of major agricultural crops such as cocoa is unknown. In this study, the essential oil (EO) of the peel of sweet orange was evaluated against Marasmiellus scandens and Erythricium salmonicolor, the pathogens, respectively, responsible for causing white thread blight and pink disease on cocoa. Minimum Inhibitory Concentration (MIC), IC50, IC90, and IC95 against mycelial growth of the pathogens were determined by agar plate tests following 7 days of incubation. Mycelial growths of the two pathogens were completely (100%) inhibited at 10% (w/v) of the EO. The MIC, IC50, IC90, and IC95 against M. scandens were 0.1%, 0.25%, 1.23%, and 2.11% while those against E. salmonicolor were 0.01%, 0.13%, 0.75%, and 1.35%, respectively. This study shows that EO of sweet orange peel has antifungal activity against the pathogens. Determining the bioactivity of the individual compounds in the EO and field application of effective formulations in future research has potential for the biological control of these fungal diseases of cocoa.http://dx.doi.org/10.1155/ioa/7439318
spellingShingle Yahaya Bukari
Silas Wintuma Avicor
Michael Kojo Ainooson
Eric Kumi Asare
Godfred Kweku Awudzi
Ishmael Amoako-Attah
Antifungal Potential of Sweet Orange Essential Oil on Pathogens of Two Important Cocoa Diseases in Ghana
International Journal of Agronomy
title Antifungal Potential of Sweet Orange Essential Oil on Pathogens of Two Important Cocoa Diseases in Ghana
title_full Antifungal Potential of Sweet Orange Essential Oil on Pathogens of Two Important Cocoa Diseases in Ghana
title_fullStr Antifungal Potential of Sweet Orange Essential Oil on Pathogens of Two Important Cocoa Diseases in Ghana
title_full_unstemmed Antifungal Potential of Sweet Orange Essential Oil on Pathogens of Two Important Cocoa Diseases in Ghana
title_short Antifungal Potential of Sweet Orange Essential Oil on Pathogens of Two Important Cocoa Diseases in Ghana
title_sort antifungal potential of sweet orange essential oil on pathogens of two important cocoa diseases in ghana
url http://dx.doi.org/10.1155/ioa/7439318
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