Defoliation of Tilia cordata trees associated with Apiognomonia errabunda infection in Finland

We investigated the causative agent of a disease outbreak affecting small-leaved limes ( Mill.) and resulting in darkening of the leaf petioles and excessive defoliation during summer 2016 in southern Finland. The fungal species composition of the symptomatic petioles was examined by culture isolati...

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Main Authors: Eeva Vainio, Sannakajsa Velmala, Pertti Salo, Seppo Huhtinen, Michael Müller
Format: Article
Language:English
Published: Finnish Society of Forest Science 2017-01-01
Series:Silva Fennica
Online Access:https://www.silvafennica.fi/article/7749
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author Eeva Vainio
Sannakajsa Velmala
Pertti Salo
Seppo Huhtinen
Michael Müller
author_facet Eeva Vainio
Sannakajsa Velmala
Pertti Salo
Seppo Huhtinen
Michael Müller
author_sort Eeva Vainio
collection DOAJ
description We investigated the causative agent of a disease outbreak affecting small-leaved limes ( Mill.) and resulting in darkening of the leaf petioles and excessive defoliation during summer 2016 in southern Finland. The fungal species composition of the symptomatic petioles was examined by culture isolation and molecular identification using ITS rDNA sequences, which revealed the most prevalent fungal species present in the petioles as (Roberge) Höhn. Based on reviewing curated herbarium specimens deposited at the Universities of Helsinki and Turku, is native and widely distributed in small-leaved limes in Finland, and occasionally infects also other broadleaved trees, including L. and ornamental species of L. and L. The ITS sequence analysis conducted during this study revealed minor within-species polymorphisms similar to those observed earlier in the Central European and Russian populations of , and reports the first nucleotide sequences of this species from the Nordic countries.Tilia cordataApiognomonia errabundaA. errabundaQuercus roburTiliaFagusA. errabunda
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spelling doaj.art-2bc001dfe5c0407da76f09e5ba44b8572022-12-21T20:48:03ZengFinnish Society of Forest ScienceSilva Fennica2242-40752017-01-0151410.14214/sf.7749Defoliation of Tilia cordata trees associated with Apiognomonia errabunda infection in FinlandEeva VainioSannakajsa VelmalaPertti SaloSeppo HuhtinenMichael MüllerWe investigated the causative agent of a disease outbreak affecting small-leaved limes ( Mill.) and resulting in darkening of the leaf petioles and excessive defoliation during summer 2016 in southern Finland. The fungal species composition of the symptomatic petioles was examined by culture isolation and molecular identification using ITS rDNA sequences, which revealed the most prevalent fungal species present in the petioles as (Roberge) Höhn. Based on reviewing curated herbarium specimens deposited at the Universities of Helsinki and Turku, is native and widely distributed in small-leaved limes in Finland, and occasionally infects also other broadleaved trees, including L. and ornamental species of L. and L. The ITS sequence analysis conducted during this study revealed minor within-species polymorphisms similar to those observed earlier in the Central European and Russian populations of , and reports the first nucleotide sequences of this species from the Nordic countries.Tilia cordataApiognomonia errabundaA. errabundaQuercus roburTiliaFagusA. errabundahttps://www.silvafennica.fi/article/7749
spellingShingle Eeva Vainio
Sannakajsa Velmala
Pertti Salo
Seppo Huhtinen
Michael Müller
Defoliation of Tilia cordata trees associated with Apiognomonia errabunda infection in Finland
Silva Fennica
title Defoliation of Tilia cordata trees associated with Apiognomonia errabunda infection in Finland
title_full Defoliation of Tilia cordata trees associated with Apiognomonia errabunda infection in Finland
title_fullStr Defoliation of Tilia cordata trees associated with Apiognomonia errabunda infection in Finland
title_full_unstemmed Defoliation of Tilia cordata trees associated with Apiognomonia errabunda infection in Finland
title_short Defoliation of Tilia cordata trees associated with Apiognomonia errabunda infection in Finland
title_sort defoliation of tilia cordata trees associated with apiognomonia errabunda infection in finland
url https://www.silvafennica.fi/article/7749
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AT perttisalo defoliationoftiliacordatatreesassociatedwithapiognomoniaerrabundainfectioninfinland
AT seppohuhtinen defoliationoftiliacordatatreesassociatedwithapiognomoniaerrabundainfectioninfinland
AT michaelmuller defoliationoftiliacordatatreesassociatedwithapiognomoniaerrabundainfectioninfinland