Towards an eco-friendly coffee rust control: compilation of natural alternatives from a nutritional and antifungal perspective

Nora E. Torres Castillo, Yovanina Aguilera Acosta, Lizeth Parra-Arroyo, María-Adriana Martínez-Prado , Verónica M. Rivas Galindo, Hafiz M. N. Iqbal, A. Damiano Bonaccorso, Elda M. Melchor-Martínez *, Roberto Parra-Saldivar*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

8 Citations (Scopus)


Hemileia vastatrix (HV) is the pathogen responsible for the coffee leaf rust (CLR) disease that has spread globally. The condition causes losses of up to a billion dollars annually. It affects all types of crops regardless of their production regime (organic or inorganic). Approximately 80% of coffee is produced by smallholders in developing countries. Until the 90s, shaded-production systems and native varieties were encouraged; however, the rapid spread of CLR has forced farmers to migrate towards inorganic schemes, mainly due to a lack of knowledge about natural alternatives to pesticides that can be implemented to control HV. Therefore, the purpose of this article is to compile the currently existing options, emphasizing two key factors that guarantee efficient rust control: selective fungicidal activity against HV and the nutrition of coffee crops. Thus, by comprehending how these natural compounds (such as plant, bacteria, fungi, animals, or algae metabolites) impact coffee rust proliferation. Furthermore, since a various range of biochar effects contributes to the control of foliar fungal pathogens through modification of root exudates, soil properties, and nutrient availability, which influence the growth of antagonist microorganisms, we present a review of the pathogen-suppressive effects of biochar, and new control strategies suitable for organic schemes can be developed.
Original languageEnglish
Article number2745
Number of pages23
Issue number20
Publication statusPublished - 17 Oct 2022


  • Hemileia vastatrix
  • High mountain coffee
  • Shaded production systems
  • Coffea arabica


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