The coffee leaf rust pandemic: An ever-present danger to coffee production
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The coffee leaf rust pandemic : An ever-present danger to coffee production. / Koutouleas, Athina; Collinge, David B.; Boa, Eric.
In: Plant Pathology, Vol. 73, No. 3, 2024, p. 522-534.Research output: Contribution to journal › Review › Research › peer-review
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TY - JOUR
T1 - The coffee leaf rust pandemic
T2 - An ever-present danger to coffee production
AU - Koutouleas, Athina
AU - Collinge, David B.
AU - Boa, Eric
N1 - Publisher Copyright: © 2023 British Society for Plant Pathology.
PY - 2024
Y1 - 2024
N2 - Coffee leaf rust (CLR) is caused by the biotrophic pathogenic fungus Hemileia vastatrix. Despite being the most researched coffee disease, mysteries still exist relating to its epidemiology and biology. The objective of this work is to highlight past and present events concerning this prominent coffee disease. We start with an historical overview of the homeland of Coffea arabica, the Afromontane forest of south-west Ethiopia, and then follow its journey across the globe linked to colonial trade and power struggles. We report the relevance of CLR to coffee production today, with a focus on the Americas and summarize unproven hypotheses in relation to the cause of recent epidemics. We present an original hypothesis concerning the first major outbreak occurring in 1869 in Ceylon (Sri Lanka), based on geopolitical connections to global trade. We review old and new options for management of the disease. The likelihood of a yet undetected alternate host of H. vastatrix is also considered as an additional piece of the epidemiological puzzle. Finally, we reflect on the interactions between H. vastatrix and a changing climate. By better understanding past events, linked to CLR, we may be better prepared for future outbreaks.
AB - Coffee leaf rust (CLR) is caused by the biotrophic pathogenic fungus Hemileia vastatrix. Despite being the most researched coffee disease, mysteries still exist relating to its epidemiology and biology. The objective of this work is to highlight past and present events concerning this prominent coffee disease. We start with an historical overview of the homeland of Coffea arabica, the Afromontane forest of south-west Ethiopia, and then follow its journey across the globe linked to colonial trade and power struggles. We report the relevance of CLR to coffee production today, with a focus on the Americas and summarize unproven hypotheses in relation to the cause of recent epidemics. We present an original hypothesis concerning the first major outbreak occurring in 1869 in Ceylon (Sri Lanka), based on geopolitical connections to global trade. We review old and new options for management of the disease. The likelihood of a yet undetected alternate host of H. vastatrix is also considered as an additional piece of the epidemiological puzzle. Finally, we reflect on the interactions between H. vastatrix and a changing climate. By better understanding past events, linked to CLR, we may be better prepared for future outbreaks.
KW - agroforestry
KW - biological control
KW - Coffea arabica
KW - Coffea canephora
KW - Coffea robusta
KW - Hemileia vastatrix
U2 - 10.1111/ppa.13846
DO - 10.1111/ppa.13846
M3 - Review
AN - SCOPUS:85179728256
VL - 73
SP - 522
EP - 534
JO - Plant Pathology
JF - Plant Pathology
SN - 0032-0862
IS - 3
ER -
ID: 378187069