Evaluation of Chestnut Susceptibility to <i>Cryphonectria parasitica</i>: Screening under Controlled Conditions

<i>Cryphonectria parasitica</i> (Murrill) M.E. Barr (Sordariomycetes, Valsaceae) is the causal agent of chestnut blight. This disease is a major concern for chestnut cultivation in Europe. The fungus colonizes vascular tissues and evolves generating cankers causing severe dieback and the...

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Autores principales: Emigdio Jordán Muñoz-Adalia, Andreu Meijer, Joan Abel, Carlos Colinas, Neus Aletà, Mercè Guàrdia
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:a6490bea9ed6463b89d21a769ddf27382021-11-25T16:01:09ZEvaluation of Chestnut Susceptibility to <i>Cryphonectria parasitica</i>: Screening under Controlled Conditions10.3390/agriculture111111582077-0472https://doaj.org/article/a6490bea9ed6463b89d21a769ddf27382021-11-01T00:00:00Zhttps://www.mdpi.com/2077-0472/11/11/1158https://doaj.org/toc/2077-0472<i>Cryphonectria parasitica</i> (Murrill) M.E. Barr (Sordariomycetes, Valsaceae) is the causal agent of chestnut blight. This disease is a major concern for chestnut cultivation in Europe. The fungus colonizes vascular tissues and evolves generating cankers causing severe dieback and the death of the tree. Excised and debarked well-lignified shoots of 28 <i>C. sativa</i> genotypes (assay A) and of 10 progenies (assay B) were inoculated with <i>C. parasitica</i> strain FMT3bc2 (vcg: EU2). Fungal growth was measured along the longitudinal axis on the 3rd and 6th days after inoculation. Results indicated the inoculation methodology works and the results were clear after 6 days. Differences in susceptibility to chestnut blight among <i>C. sativa</i> trees of Montseny have been detected both at the individual genotype level and at the progeny level. Nineteen genotypes and four progenies showed a susceptibility to Blight not significantly different from <i>C. mollissima</i>. The methodology was easy to apply in extensive/preliminary selection screenings to assess the susceptibility of <i>C. sativa</i> materials to the Blight.Emigdio Jordán Muñoz-AdaliaAndreu MeijerJoan AbelCarlos ColinasNeus AletàMercè GuàrdiaMDPI AGarticle<i>Castanea sativa</i><i>Castanea</i> sp.chestnut blightdebarked budsticksMontseny-SpainAgriculture (General)S1-972ENAgriculture, Vol 11, Iss 1158, p 1158 (2021)
institution DOAJ
collection DOAJ
language EN
topic <i>Castanea sativa</i>
<i>Castanea</i> sp.
chestnut blight
debarked budsticks
Montseny-Spain
Agriculture (General)
S1-972
spellingShingle <i>Castanea sativa</i>
<i>Castanea</i> sp.
chestnut blight
debarked budsticks
Montseny-Spain
Agriculture (General)
S1-972
Emigdio Jordán Muñoz-Adalia
Andreu Meijer
Joan Abel
Carlos Colinas
Neus Aletà
Mercè Guàrdia
Evaluation of Chestnut Susceptibility to <i>Cryphonectria parasitica</i>: Screening under Controlled Conditions
description <i>Cryphonectria parasitica</i> (Murrill) M.E. Barr (Sordariomycetes, Valsaceae) is the causal agent of chestnut blight. This disease is a major concern for chestnut cultivation in Europe. The fungus colonizes vascular tissues and evolves generating cankers causing severe dieback and the death of the tree. Excised and debarked well-lignified shoots of 28 <i>C. sativa</i> genotypes (assay A) and of 10 progenies (assay B) were inoculated with <i>C. parasitica</i> strain FMT3bc2 (vcg: EU2). Fungal growth was measured along the longitudinal axis on the 3rd and 6th days after inoculation. Results indicated the inoculation methodology works and the results were clear after 6 days. Differences in susceptibility to chestnut blight among <i>C. sativa</i> trees of Montseny have been detected both at the individual genotype level and at the progeny level. Nineteen genotypes and four progenies showed a susceptibility to Blight not significantly different from <i>C. mollissima</i>. The methodology was easy to apply in extensive/preliminary selection screenings to assess the susceptibility of <i>C. sativa</i> materials to the Blight.
format article
author Emigdio Jordán Muñoz-Adalia
Andreu Meijer
Joan Abel
Carlos Colinas
Neus Aletà
Mercè Guàrdia
author_facet Emigdio Jordán Muñoz-Adalia
Andreu Meijer
Joan Abel
Carlos Colinas
Neus Aletà
Mercè Guàrdia
author_sort Emigdio Jordán Muñoz-Adalia
title Evaluation of Chestnut Susceptibility to <i>Cryphonectria parasitica</i>: Screening under Controlled Conditions
title_short Evaluation of Chestnut Susceptibility to <i>Cryphonectria parasitica</i>: Screening under Controlled Conditions
title_full Evaluation of Chestnut Susceptibility to <i>Cryphonectria parasitica</i>: Screening under Controlled Conditions
title_fullStr Evaluation of Chestnut Susceptibility to <i>Cryphonectria parasitica</i>: Screening under Controlled Conditions
title_full_unstemmed Evaluation of Chestnut Susceptibility to <i>Cryphonectria parasitica</i>: Screening under Controlled Conditions
title_sort evaluation of chestnut susceptibility to <i>cryphonectria parasitica</i>: screening under controlled conditions
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/a6490bea9ed6463b89d21a769ddf2738
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