<em>Macrophomina phaseolina</em> associated with grapevine decline in Iran

Grapevines exhibiting general decline symptoms were observed in July 2012 in Arbatan, a region in Marand county, north-western Iran. Leaf necrosis symptoms were also observed in affected grapevines. Dark brown necrotic lesions and wood discoloration were observed in the vascular tissues of affected...

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Main Authors: Farnaz ABED-ASHTIANI, Abolfazl NARMANI, Mahdi ARZANLOU
Format: Article
Language:English
Published: Firenze University Press 2018-02-01
Series:Phytopathologia Mediterranea
Subjects:
Online Access:https://oajournals.fupress.net/index.php/pm/article/view/5755
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author Farnaz ABED-ASHTIANI
Abolfazl NARMANI
Mahdi ARZANLOU
author_facet Farnaz ABED-ASHTIANI
Abolfazl NARMANI
Mahdi ARZANLOU
author_sort Farnaz ABED-ASHTIANI
collection DOAJ
description Grapevines exhibiting general decline symptoms were observed in July 2012 in Arbatan, a region in Marand county, north-western Iran. Leaf necrosis symptoms were also observed in affected grapevines. Dark brown necrotic lesions and wood discoloration were observed in the vascular tissues of affected cordons. Fungal isolates, all with similar cultural and morphological features, were obtained from symptomatic tissues. Morphological characteristics indicated that the isolates were Macrophomina phaseolina. Sequence analysis of the elongation factor (EF-1α) gene from isolates confirmed this identification, with 100% similarity to the reference M. phaseolina sequences obtained from GenBank. Pathogenicity assays of two M. phaseolina isolates on 2-year-old potted vines (cv. ‘Keshmeshi’) demonstrated that M. phaseolina was pathogenic on grapevine. This study confirmed the association of M. phaseolina with grapevine decline symptoms, and represents the first report of this fungus associated with grapevine trunk diseases in Iran.
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spelling doaj.art-7c0291b9e7234071a408bf45d5da2c912022-12-22T00:58:04ZengFirenze University PressPhytopathologia Mediterranea0031-94651593-20952018-02-0157110.14601/Phytopathol_Mediterr-2069118633<em>Macrophomina phaseolina</em> associated with grapevine decline in IranFarnaz ABED-ASHTIANI0Abolfazl NARMANI1Mahdi ARZANLOU2Department of Plant Protection, Faculty of Agriculture, University of TabrizDepartment of Plant Protection, Faculty of Agriculture, University of TabrizDepartment of Plant Protection, Faculty of Agriculture, University of TabrizGrapevines exhibiting general decline symptoms were observed in July 2012 in Arbatan, a region in Marand county, north-western Iran. Leaf necrosis symptoms were also observed in affected grapevines. Dark brown necrotic lesions and wood discoloration were observed in the vascular tissues of affected cordons. Fungal isolates, all with similar cultural and morphological features, were obtained from symptomatic tissues. Morphological characteristics indicated that the isolates were Macrophomina phaseolina. Sequence analysis of the elongation factor (EF-1α) gene from isolates confirmed this identification, with 100% similarity to the reference M. phaseolina sequences obtained from GenBank. Pathogenicity assays of two M. phaseolina isolates on 2-year-old potted vines (cv. ‘Keshmeshi’) demonstrated that M. phaseolina was pathogenic on grapevine. This study confirmed the association of M. phaseolina with grapevine decline symptoms, and represents the first report of this fungus associated with grapevine trunk diseases in Iran.https://oajournals.fupress.net/index.php/pm/article/view/5755grapevine trunk diseases
spellingShingle Farnaz ABED-ASHTIANI
Abolfazl NARMANI
Mahdi ARZANLOU
<em>Macrophomina phaseolina</em> associated with grapevine decline in Iran
Phytopathologia Mediterranea
grapevine trunk diseases
title <em>Macrophomina phaseolina</em> associated with grapevine decline in Iran
title_full <em>Macrophomina phaseolina</em> associated with grapevine decline in Iran
title_fullStr <em>Macrophomina phaseolina</em> associated with grapevine decline in Iran
title_full_unstemmed <em>Macrophomina phaseolina</em> associated with grapevine decline in Iran
title_short <em>Macrophomina phaseolina</em> associated with grapevine decline in Iran
title_sort em macrophomina phaseolina em associated with grapevine decline in iran
topic grapevine trunk diseases
url https://oajournals.fupress.net/index.php/pm/article/view/5755
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AT mahdiarzanlou emmacrophominaphaseolinaemassociatedwithgrapevinedeclineiniran