Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.

In recent years, the Asian gall wasp Dryocosmus kuriphilus has invaded chestnut trees and significantly affected the Portuguese chestnut production. Studies in other countries, such as Japan or Italy, have shown that the parasitoid Torymus sinensis can successfully achieve biological control of D. k...

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Autores principales:	Carlos Balsa, Albino Bento, Francesco Paparella
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9899616418774d6ab462b3e5a0cb052b
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spelling	oai:doaj.org-article:9899616418774d6ab462b3e5a0cb052b2021-12-02T20:06:42ZBiological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.1932-620310.1371/journal.pone.0254193https://doaj.org/article/9899616418774d6ab462b3e5a0cb052b2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0254193https://doaj.org/toc/1932-6203In recent years, the Asian gall wasp Dryocosmus kuriphilus has invaded chestnut trees and significantly affected the Portuguese chestnut production. Studies in other countries, such as Japan or Italy, have shown that the parasitoid Torymus sinensis can successfully achieve biological control of D. kuriphilus. Mathematical models help us to understand the dynamics of the interaction between the pest D. kuriphilus and its parasitoid T. sinensis and, consequently, they can help to implement measures that enhance crop pest management. In this work, the evolution of the density of D. kuriphilus and T. sinensis across time and space is studied through the numerical solution of models that include parameters based on observations made in Portugal. Simultaneous releases of the parasitoid are simulated at various locations and at different times. The results indicate that, in the case of a small and homogeneous orchard, biological control can be effective, but, in the case of extensive domains, the pest control is much more difficult to achieve. In order for biological control to be efficient, it is necessary to implement, in each chestnut-producing region, a collective strategy based on the annual monitoring of infestation levels.Carlos BalsaAlbino BentoFrancesco PaparellaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0254193 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Carlos Balsa Albino Bento Francesco Paparella Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.
description	In recent years, the Asian gall wasp Dryocosmus kuriphilus has invaded chestnut trees and significantly affected the Portuguese chestnut production. Studies in other countries, such as Japan or Italy, have shown that the parasitoid Torymus sinensis can successfully achieve biological control of D. kuriphilus. Mathematical models help us to understand the dynamics of the interaction between the pest D. kuriphilus and its parasitoid T. sinensis and, consequently, they can help to implement measures that enhance crop pest management. In this work, the evolution of the density of D. kuriphilus and T. sinensis across time and space is studied through the numerical solution of models that include parameters based on observations made in Portugal. Simultaneous releases of the parasitoid are simulated at various locations and at different times. The results indicate that, in the case of a small and homogeneous orchard, biological control can be effective, but, in the case of extensive domains, the pest control is much more difficult to achieve. In order for biological control to be efficient, it is necessary to implement, in each chestnut-producing region, a collective strategy based on the annual monitoring of infestation levels.
format	article
author	Carlos Balsa Albino Bento Francesco Paparella
author_facet	Carlos Balsa Albino Bento Francesco Paparella
author_sort	Carlos Balsa
title	Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.
title_short	Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.
title_full	Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.
title_fullStr	Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.
title_full_unstemmed	Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.
title_sort	biological control of the asian chestnut gall wasp in portugal: insights from a mathematical model.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/9899616418774d6ab462b3e5a0cb052b
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Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model.

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