Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model

Citrus black spot (CBS), caused by the fungus Phyllosticta citricarpa, is associated with serious yield and quality losses. The climate suitability of the Mediterranean Basin for CBS development has been long debated. However, CBS has been described in Tunisia. In this study, a generic model was use...

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Main Authors: Galvan, Anaïs, Boughalleb, Naima, Benfradj, Najwa, Mannai, Sabrine, Lázaro, Elena, Vicent, Antonio
Format: Artículo
Language:Inglés
Published: Springer Nature 2022
Subjects:
Online Access:http://hdl.handle.net/20.500.11939/8438
https://www.nature.com/articles/s41598-022-22775-z
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author Galvan, Anaïs
Boughalleb, Naima
Benfradj, Najwa
Mannai, Sabrine
Lázaro, Elena
Vicent, Antonio
author_browse Benfradj, Najwa
Boughalleb, Naima
Galvan, Anaïs
Lázaro, Elena
Mannai, Sabrine
Vicent, Antonio
author_facet Galvan, Anaïs
Boughalleb, Naima
Benfradj, Najwa
Mannai, Sabrine
Lázaro, Elena
Vicent, Antonio
author_sort Galvan, Anaïs
collection ReDivia
description Citrus black spot (CBS), caused by the fungus Phyllosticta citricarpa, is associated with serious yield and quality losses. The climate suitability of the Mediterranean Basin for CBS development has been long debated. However, CBS has been described in Tunisia. In this study, a generic model was used to simulate potential infections by ascospores and pycnidiospores together with a degree-day model to predict the onset of ascospore release. High-resolution climatic data were retrieved from the ERA5- Land dataset for the citrus-growing regions in the Mediterranean Basin and other locations where CBS is present. In general, the onset of ascospore release was predicted to occur late in spring, but there is no agreement on the adequacy of this empirical model for extrapolation to the Mediterranean Basin. The generic model indicated that infections by ascospores and pycnidiospores would be concentrated mainly in autumn, as well as in spring for pycnidiospores. In contrast to previous studies, the percentage of hours suitable for infection was higher for pycnidiospores than for ascospores. The values obtained with the generic infection model for Tunisia and several CBS-affected locations worldwide were similar to those for other citrus-growing regions in Europe and Northern Africa. These results support previous work indicating that the climate of the Mediterranean Basin is suitable for CBS development.
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spelling ReDivia84382025-04-25T14:48:59Z Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model Galvan, Anaïs Boughalleb, Naima Benfradj, Najwa Mannai, Sabrine Lázaro, Elena Vicent, Antonio Citrus black spot Phyllosticta citricarpa Mediterranean basin H20 Plant diseases P40 Meteorology and climatology U10 Mathematical and statistical methods F40 Plant ecology Citrus Simulation models Plant diseases Weather conditions Plant ecology Citrus black spot (CBS), caused by the fungus Phyllosticta citricarpa, is associated with serious yield and quality losses. The climate suitability of the Mediterranean Basin for CBS development has been long debated. However, CBS has been described in Tunisia. In this study, a generic model was used to simulate potential infections by ascospores and pycnidiospores together with a degree-day model to predict the onset of ascospore release. High-resolution climatic data were retrieved from the ERA5- Land dataset for the citrus-growing regions in the Mediterranean Basin and other locations where CBS is present. In general, the onset of ascospore release was predicted to occur late in spring, but there is no agreement on the adequacy of this empirical model for extrapolation to the Mediterranean Basin. The generic model indicated that infections by ascospores and pycnidiospores would be concentrated mainly in autumn, as well as in spring for pycnidiospores. In contrast to previous studies, the percentage of hours suitable for infection was higher for pycnidiospores than for ascospores. The values obtained with the generic infection model for Tunisia and several CBS-affected locations worldwide were similar to those for other citrus-growing regions in Europe and Northern Africa. These results support previous work indicating that the climate of the Mediterranean Basin is suitable for CBS development. 2022-11-24T09:19:00Z 2022-11-24T09:19:00Z 2022 article publishedVersion Galvañ, A., Boughalleb-M’Hamdi, N., Benfradj, N., Mannai, S., Lázaro, E. & Vicent, A. (2022). Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model. Scientific Reports, 12, 19876. 2045-2322 (online) http://hdl.handle.net/20.500.11939/8438 10.1038/s41598-022-22775-z https://www.nature.com/articles/s41598-022-22775-z en info:eu-repo/grantAgreement/EFSA//GP%2FEFSA%2FALPHA%2F2019%2F04/EU/Reduce risk assessment uncertainty: suitability of Mediterranean citrus production areas for Phyllosticta citricarpa The work was supported by grant of the European Food Safety Authority (EFSA) “GP/EFSA/ALPHA/2019/04 Reduce risk assessment uncertainty: suitability of Mediterranean citrus production areas for Phyllosticta citricarpa”. A. G. held an IVIA grant partially funded by the European Social Fund. Atribución-NoComercial-SinDerivadas 3.0 España http://creativecommons.org/licenses/by-nc-nd/3.0/es/ openAccess Springer Nature electronico
spellingShingle Citrus black spot
Phyllosticta citricarpa
Mediterranean basin
H20 Plant diseases
P40 Meteorology and climatology
U10 Mathematical and statistical methods
F40 Plant ecology
Citrus
Simulation models
Plant diseases
Weather conditions
Plant ecology
Galvan, Anaïs
Boughalleb, Naima
Benfradj, Najwa
Mannai, Sabrine
Lázaro, Elena
Vicent, Antonio
Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model
title Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model
title_full Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model
title_fullStr Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model
title_full_unstemmed Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model
title_short Climate suitability of the Mediterranean Basin for citrus black spot disease (Phyllosticta citricarpa) based on a generic infection model
title_sort climate suitability of the mediterranean basin for citrus black spot disease phyllosticta citricarpa based on a generic infection model
topic Citrus black spot
Phyllosticta citricarpa
Mediterranean basin
H20 Plant diseases
P40 Meteorology and climatology
U10 Mathematical and statistical methods
F40 Plant ecology
Citrus
Simulation models
Plant diseases
Weather conditions
Plant ecology
url http://hdl.handle.net/20.500.11939/8438
https://www.nature.com/articles/s41598-022-22775-z
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