Severity of diplodia shoot blight (caused by diplodia sapinea) was greatest on pinus sylvestris and pinus nigra in a plantation containing five pine species

Ayşe Gülden Aday Kaya; Şule Yeltekin; Tuğba Doğmuş Lehtijärvi; Asko Lehtijärvi; Steve Woodward

doi:10.14601/Phytopathol_Mediter-10613

Severity of diplodia shoot blight (caused by diplodia sapinea) was greatest on pinus sylvestris and pinus nigra in a plantation containing five pine species

Ayşe Gülden Aday Kaya^* (Corresponding Author), Şule Yeltekin, Tuğba Doğmuş Lehtijärvi, Asko Lehtijärvi, Steve Woodward

^*Corresponding author for this work

Aberdeen Centre For Environmental Sustainability

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Abstract

The severity of Diplodia shoot blight in Pinus nigra and P. sylvestris seed orchards, and in P. taeda, P. pinaster and P. radiata industrial plantations was examined in two 20 x 20 m plots of each tree species. All 159 trees assessed in the plots showed symptoms of Diplodia sapinea infections. Average disease severity in the tree crowns varied from 42 to 68% (mean = 53.8%) over all tree stands. Fungus isolates obtained from affected trees were identified as D. sapinea, based on morphological characteristics of cultures and conidia grown on agar plates. The identifications were confirmed by sequence analysis of the ITS rDNA of a subsample of isolates. Multilocus genotyping with RAMS primers showed that 13 D. sapinea genets were present in the plots. Diplodia sapinea had serious impacts on P. sylvestris and P. nigra in the seed orchards Marmara Region of Turkey, and is likely to have been the main causal agent of shoot blight and reductions in seed production at this location.

Original language	English
Pages (from-to)	249-259
Number of pages	11
Journal	Phytopathologia Mediterranea
Volume	58
Issue number	2
Early online date	14 Sept 2019
DOIs	https://doi.org/10.14601/Phytopathol_Mediter-10613
Publication status	Published - 14 Sept 2019

Bibliographical note

The authors thank the Ministry of Forestry for pro-viding the seedlings used in this research. Financial support was provided by SDÜ BAP 3826-YL1-13 and TÜBİTAK – TOVAG (Project No: 114O138).

Keywords

Disease severity
Pathogenicity
Pine plantations
RAMS

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10.14601/Phytopathol_Mediter-10613Licence: CC BY

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© 2019 Aday Kaya A.G., Yeltekin Ş., Doğmuş Lehtijärvi T., Lehti-järvi A., Woodward S. This is an open access, peer-reviewed article published by Firenze University Press (http://www.fupress.com/pm) and distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. https://creativecommons.org/licenses/by/4.0/
Final published version, 366 KBLicence: CC BY

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Severity of diplodia shoot blight (caused by diplodia sapinea) was greatest on pinus sylvestris and pinus nigra in a plantation containing five pine species. / Aday Kaya, Ayşe Gülden (Corresponding Author); Yeltekin, Şule; Lehtijärvi, Tuğba Doğmuş et al.
In: Phytopathologia Mediterranea, Vol. 58, No. 2, 14.09.2019, p. 249-259.

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

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abstract = "The severity of Diplodia shoot blight in Pinus nigra and P. sylvestris seed orchards, and in P. taeda, P. pinaster and P. radiata industrial plantations was examined in two 20 x 20 m plots of each tree species. All 159 trees assessed in the plots showed symptoms of Diplodia sapinea infections. Average disease severity in the tree crowns varied from 42 to 68% (mean = 53.8%) over all tree stands. Fungus isolates obtained from affected trees were identified as D. sapinea, based on morphological characteristics of cultures and conidia grown on agar plates. The identifications were confirmed by sequence analysis of the ITS rDNA of a subsample of isolates. Multilocus genotyping with RAMS primers showed that 13 D. sapinea genets were present in the plots. Diplodia sapinea had serious impacts on P. sylvestris and P. nigra in the seed orchards Marmara Region of Turkey, and is likely to have been the main causal agent of shoot blight and reductions in seed production at this location.",

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Severity of diplodia shoot blight (caused by diplodia sapinea) was greatest on pinus sylvestris and pinus nigra in a plantation containing five pine species

Abstract

Bibliographical note

Keywords

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