Integrated Management of Verticillium Wilt of Cacao

The vascular disease Verticillium wilt of cacao (Theobroma cacao), caused by the soilborne fungus Verticillium dahliae, is often qualified as a “minor” disease. However, it can cause severe losses locally, for example, in western Uganda and northeast of the Democratic Republic of Congo. This disease...

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Main Authors: Anne-Sophie Bouchon, Gerben Martijn ten Hoopen
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-07-01
Series:Frontiers in Agronomy
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fagro.2022.911969/full
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author Anne-Sophie Bouchon
Gerben Martijn ten Hoopen
author_facet Anne-Sophie Bouchon
Gerben Martijn ten Hoopen
author_sort Anne-Sophie Bouchon
collection DOAJ
description The vascular disease Verticillium wilt of cacao (Theobroma cacao), caused by the soilborne fungus Verticillium dahliae, is often qualified as a “minor” disease. However, it can cause severe losses locally, for example, in western Uganda and northeast of the Democratic Republic of Congo. This disease is difficult to control, notably due to an extended host range and prolonged survival in the soil. Therefore, Verticillium wilt must be addressed through an integrated disease management strategy as employed for other tree crops such as olive. Few studies, nonetheless, have focused on how to confront this disease in cacao. This paper aims to provide an overview of our knowledge on Verticillium wilt on cacao and the integrated disease management strategies for preventing and controlling it. Promising avenues based on findings in other crops that could be adapted to cacao are also explored. Good agricultural practices, genetic resistance, biological control, induced resistance, and the use of organic amendments with or without biocontrol agents are discussed. Moreover, the potential benefits of some of these solutions toward the resistance to other cacao diseases, abiotic stress, and nutrition improvement are presented.
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spelling doaj.art-91ec5d80979742d59bfffeb1fb474e872022-12-22T01:21:12ZengFrontiers Media S.A.Frontiers in Agronomy2673-32182022-07-01410.3389/fagro.2022.911969911969Integrated Management of Verticillium Wilt of CacaoAnne-Sophie Bouchon0Gerben Martijn ten Hoopen1PHSS, Paris, FrancePHIM, Univ. Montpellier, CIRAD, INRAE, IRD, Montpellier, FranceThe vascular disease Verticillium wilt of cacao (Theobroma cacao), caused by the soilborne fungus Verticillium dahliae, is often qualified as a “minor” disease. However, it can cause severe losses locally, for example, in western Uganda and northeast of the Democratic Republic of Congo. This disease is difficult to control, notably due to an extended host range and prolonged survival in the soil. Therefore, Verticillium wilt must be addressed through an integrated disease management strategy as employed for other tree crops such as olive. Few studies, nonetheless, have focused on how to confront this disease in cacao. This paper aims to provide an overview of our knowledge on Verticillium wilt on cacao and the integrated disease management strategies for preventing and controlling it. Promising avenues based on findings in other crops that could be adapted to cacao are also explored. Good agricultural practices, genetic resistance, biological control, induced resistance, and the use of organic amendments with or without biocontrol agents are discussed. Moreover, the potential benefits of some of these solutions toward the resistance to other cacao diseases, abiotic stress, and nutrition improvement are presented.https://www.frontiersin.org/articles/10.3389/fagro.2022.911969/fullintegrated managementVerticillium wiltcacaoorganic amendmentbiocontrol agentsinduced resistance
spellingShingle Anne-Sophie Bouchon
Gerben Martijn ten Hoopen
Integrated Management of Verticillium Wilt of Cacao
Frontiers in Agronomy
integrated management
Verticillium wilt
cacao
organic amendment
biocontrol agents
induced resistance
title Integrated Management of Verticillium Wilt of Cacao
title_full Integrated Management of Verticillium Wilt of Cacao
title_fullStr Integrated Management of Verticillium Wilt of Cacao
title_full_unstemmed Integrated Management of Verticillium Wilt of Cacao
title_short Integrated Management of Verticillium Wilt of Cacao
title_sort integrated management of verticillium wilt of cacao
topic integrated management
Verticillium wilt
cacao
organic amendment
biocontrol agents
induced resistance
url https://www.frontiersin.org/articles/10.3389/fagro.2022.911969/full
work_keys_str_mv AT annesophiebouchon integratedmanagementofverticilliumwiltofcacao
AT gerbenmartijntenhoopen integratedmanagementofverticilliumwiltofcacao