First report of Lecanosticta acicola on pine and non-pine hosts in Turkey

Funda Oskay; Marili Laas; Martin Mullett; Asko Lehtijärvi; Hatice Tuğba Doğmuş-Lehtijärvi; Steve Woodward; Rein Drenkhan

doi:10.1111/efp.12654

First report of Lecanosticta acicola on pine and non-pine hosts in Turkey

Funda Oskay^* (Corresponding Author), Marili Laas, Martin Mullett, Asko Lehtijärvi, Hatice Tuğba Doğmuş-Lehtijärvi, Steve Woodward, Rein Drenkhan

^*Corresponding author for this work

Aberdeen Centre For Environmental Sustainability

Research output: Contribution to journal › Article › peer-review

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Abstract

Brown spot needle blight, caused by Lecanosticta acicola, is a serious disease of pines worldwide and has become of great concern in Europe over the last decade, with significantly increased outbreaks in pine forests. We examined native and non-native Pinaceae taxa (4 Cedrus and Pinus) in the Atatürk Arboretum, Istanbul, Turkey for the presence of L. acicola. Needles were sampled from trees at least twice between March 2017 and July 2018.
Symptomatic occurrence of the disease was confirmed by isolations, followed by molecular identification via sequencing of the ITS region. Lecanosticta acicola was isolated from symptomatic needles of 10 trees from 7 taxa (1 Cedrus, 6 Pinus). Molecular diagnostics of isolates confirmed the identification of L. acicola on Cedrus libani, Pinus sylvestris, P. nigra subsp. nigra, P. nigra subsp. laricio, P. nigra subsp. pallasiana, P. nigra subsp. pallasiana var. fastigiata and P. nigra subsp. pallasiana var. pallasiana f. şeneriana in the arboretum. This paper is the first report of L. acicola on C. libani and also the first report of the pathogen on a genus other than a Pinus spp.; it is also the first report of L. acicola occurring in Turkey. The
pathogen was clearly able to cause severe damage on native Turkish Pinus taxa, including P.
sylvestris and P. nigra subsp. pallasiana, and endangered endemic forms of the host in Turkey.

Original language	English
Article number	e12654
Number of pages	8
Journal	Forest Pathology
Volume	50
Issue number	6
Early online date	15 Nov 2020
DOIs	https://doi.org/10.1111/efp.12654
Publication status	Published - 22 Dec 2020

Bibliographical note

Acknowledgements

We would like to thank İstanbul Bahçeköy Forestry Enterprise for allowing us to sample in the Arboretum, and to Merve Kartaloğlu Sönmez the manager of the Arboretum, for her hospitality.

This study was partly supported by the Estonian Science Foundation grant PSG136, the Ministry of Rural Affairs of Estonia, and the Euphresco projects; Lecanosticta - Brown spot disease of pines – spread in European forest ecosystems: impact on pines, predisposing and contributing factors, control (BROWNSPOTRISK) and the International Plant Sentinel Network as an early warning system; research on future pest threats (IPSN II).

Funding

We would like to thank İstanbul Bahçeköy Forestry Enterprise for allowing us to sample in the Atatürk Arboretum, and to Merve Kartaloğlu Sönmez the manager of the arboretum, for her hospitality. This study was partly supported by the Estonian Science Foundation grant PSG136, the Ministry of Rural Affairs of Estonia, and the Euphresco projects; Lecanosticta—Brown spot disease of pines—spread in European forest ecosystems: impact on pines, predisposing and contributing factors, control (BROWNSPOTRISK) and the International Plant Sentinel Network as an early‐warning system; research on future pest threats (IPSN II).

Keywords

Anatolian black pine
brown spot needle blight
Cedrus libani
emerging disease
invasive pathogen
Mycosphaerella dearnessii

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Oskay et al_FP_FirstReportOf_AAM
This is the peer reviewed version of the following article: [Oskay, F, Laas, M, Mullett, M, et al. First report of Lecanosticta acicola on pine and non‐pine hosts in Turkey. Forest Pathology. 2020; 50:e12654.], which has been published in final form at https://doi.org/10.1111/efp.12654. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions
Accepted author manuscript, 1.02 MBLicence: Unspecified

Cite this

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title = "First report of Lecanosticta acicola on pine and non-pine hosts in Turkey",

abstract = "Brown spot needle blight, caused by Lecanosticta acicola, is a serious disease of pines worldwide and has become of great concern in Europe over the last decade, with significantly increased outbreaks in pine forests. We examined native and non-native Pinaceae taxa (4 Cedrus and Pinus) in the Atat{\"u}rk Arboretum, Istanbul, Turkey for the presence of L. acicola. Needles were sampled from trees at least twice between March 2017 and July 2018.Symptomatic occurrence of the disease was confirmed by isolations, followed by molecular identification via sequencing of the ITS region. Lecanosticta acicola was isolated from symptomatic needles of 10 trees from 7 taxa (1 Cedrus, 6 Pinus). Molecular diagnostics of isolates confirmed the identification of L. acicola on Cedrus libani, Pinus sylvestris, P. nigra subsp. nigra, P. nigra subsp. laricio, P. nigra subsp. pallasiana, P. nigra subsp. pallasiana var. fastigiata and P. nigra subsp. pallasiana var. pallasiana f. {\c s}eneriana in the arboretum. This paper is the first report of L. acicola on C. libani and also the first report of the pathogen on a genus other than a Pinus spp.; it is also the first report of L. acicola occurring in Turkey. Thepathogen was clearly able to cause severe damage on native Turkish Pinus taxa, including P.sylvestris and P. nigra subsp. pallasiana, and endangered endemic forms of the host in Turkey. ",

keywords = "Anatolian black pine, brown spot needle blight, Cedrus libani, emerging disease, invasive pathogen, Mycosphaerella dearnessii",

author = "Funda Oskay and Marili Laas and Martin Mullett and Asko Lehtij{\"a}rvi and Doğmu{\c s}-Lehtij{\"a}rvi, {Hatice Tuğba} and Steve Woodward and Rein Drenkhan",

note = "Acknowledgements We would like to thank İstanbul Bah{\c c}ek{\"o}y Forestry Enterprise for allowing us to sample in the Arboretum, and to Merve Kartaloğlu S{\"o}nmez the manager of the Arboretum, for her hospitality. This study was partly supported by the Estonian Science Foundation grant PSG136, the Ministry of Rural Affairs of Estonia, and the Euphresco projects; Lecanosticta - Brown spot disease of pines – spread in European forest ecosystems: impact on pines, predisposing and contributing factors, control (BROWNSPOTRISK) and the International Plant Sentinel Network as an early warning system; research on future pest threats (IPSN II). ",

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First report of Lecanosticta acicola on pine and non-pine hosts in Turkey

Abstract

Bibliographical note

Funding

Keywords

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