Essential Oils and Antagonistic Microorganisms as Eco-Friendly Alternatives for Coffee Leaf Rust Control

Coffee leaf rust (CLR) is caused by the biotrophic fungus Hemileia vastatrix Berk. & Br., a disease of economic importance, reducing coffee yield up to 60%. Currently, CLR epidemics have negatively impacted food security. Therefore, the objective of the present research study is to show a curren...

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Published in:Plants (Basel) 2023-10, Vol.12 (20), p.3519
Main Authors: Santiago-Santiago, Maricela, Sánchez-Viveros, Gabriela, Hernández-Adame, Luis, Chiquito-Contreras, Cesar Josué, Salinas-Castro, Alejandro, Chiquito-Contreras, Roberto Gregorio, Hernández-Montiel, Luis Guillermo
Format: Article
Language:English
Subjects:
action mechanism
Aromatic compounds
biocontrol
Biological control
Brazil
Cell walls
Chemical composition
Coffee
Copper
Disease
Economic importance
Environmental impact
Epidemics
Essences and essential oils
Essential oils
Flowers & plants
Food security
Food supply
Fungi
Fungicides
Germination
Hemileia vastatrix
incidence
Leaf rust
Leaves
Membrane composition
Mexico
Microorganisms
Mode of action
Oils & fats
Pesticides
Pests
Physiology
Review
severity
System effectiveness
Terpenes
Testing
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Summary:Coffee leaf rust (CLR) is caused by the biotrophic fungus Hemileia vastatrix Berk. & Br., a disease of economic importance, reducing coffee yield up to 60%. Currently, CLR epidemics have negatively impacted food security. Therefore, the objective of the present research study is to show a current framework of this disease and its effects on diverse areas, as well as the biological systems used for its control, mode of action, and effectiveness. The use of essential plant oils and antagonistic microorganisms to H. vastatrix are highlighted. Terpenes, terpenoids, and aromatic compounds are the main constituents of these oils, which alter the cell wall and membrane composition and modify the basic cell functions. Beneficial microorganisms inhibit urediniospore germination and reduce disease incidence and severity. The antagonistic microorganisms and essential oils of some aromatic plants have great potential in agriculture. These biological systems may have more than one mechanism of action, which reduces the possibility of the emergence of resistant strains of H. vastatrix.
ISSN:2223-7747
2223-7747
DOI:10.3390/plants12203519