Natural occurrence of the mycoparasite Ampelomyces quisqualis (Ascomycota, Phaeosphaeriaceae) in urban environments from Tucumán (Argentina)

Platanus × acerifolia is used as an urban shade tree in many cities throughout Argentina. In late autumn and winter of 2023, leaves and fruits of P. × acerifolia showing typical symptoms of a powdery mildew were collected along the main streets of Tucumán, Argentina. Its morphology and comparison wi...

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Main Authors: Lucas A. Castillo, Guillermo M. Suárez
Format: Article
Language:Spanish
Published: Fundación Miguel Lillo 2023-12-01
Series:Lilloa
Subjects:
Online Access:https://www.lillo.org.ar/journals/index.php/lilloa/article/view/1847
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author Lucas A. Castillo
Guillermo M. Suárez
author_facet Lucas A. Castillo
Guillermo M. Suárez
author_sort Lucas A. Castillo
collection DOAJ
description Platanus × acerifolia is used as an urban shade tree in many cities throughout Argentina. In late autumn and winter of 2023, leaves and fruits of P. × acerifolia showing typical symptoms of a powdery mildew were collected along the main streets of Tucumán, Argentina. Its morphology and comparison with published descriptions allowed us to identify the fungus as the asexual morph of Erysiphe platani. The specimens were heavily hyperparasitized by Ampelomyces quisqualis, a mycoparasitic ascomycete, used as a natural biological control of the development of powdery mildew species. This work reports the natural occurrence of Ampelomyces in urban environments in Argentina. The disease symptoms and morphological characteristics of the powdery mildew anamorph and the mycoparasite are described and illustrated.
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spelling doaj.art-c5351848ed544e1fb45915a7a3b20aa62023-12-14T10:32:02ZspaFundación Miguel LilloLilloa2346-96412023-12-0160210.30550/j.lil/1847Natural occurrence of the mycoparasite Ampelomyces quisqualis (Ascomycota, Phaeosphaeriaceae) in urban environments from Tucumán (Argentina)Lucas A. Castillo0Guillermo M. Suárez1Universidad Nacional de Tucumán, Facultad de Ciencias Naturales e Instituto Miguel Lillo. San Miguel de Tucumán, ArgentinaUniversidad Nacional de Tucumán, Facultad de Ciencias Naturales e Instituto Miguel Lillo. Unidad Ejecutora Lillo (CONICET–Fundación Miguel Lillo). San Miguel de Tucumán, ArgentinaPlatanus × acerifolia is used as an urban shade tree in many cities throughout Argentina. In late autumn and winter of 2023, leaves and fruits of P. × acerifolia showing typical symptoms of a powdery mildew were collected along the main streets of Tucumán, Argentina. Its morphology and comparison with published descriptions allowed us to identify the fungus as the asexual morph of Erysiphe platani. The specimens were heavily hyperparasitized by Ampelomyces quisqualis, a mycoparasitic ascomycete, used as a natural biological control of the development of powdery mildew species. This work reports the natural occurrence of Ampelomyces in urban environments in Argentina. The disease symptoms and morphological characteristics of the powdery mildew anamorph and the mycoparasite are described and illustrated. https://www.lillo.org.ar/journals/index.php/lilloa/article/view/1847Argentina Northwest (NOA)anamorphbiological controlErysiphaceaeErysiphehyperparasite
spellingShingle Lucas A. Castillo
Guillermo M. Suárez
Natural occurrence of the mycoparasite Ampelomyces quisqualis (Ascomycota, Phaeosphaeriaceae) in urban environments from Tucumán (Argentina)
Lilloa
Argentina Northwest (NOA)
anamorph
biological control
Erysiphaceae
Erysiphe
hyperparasite
title Natural occurrence of the mycoparasite Ampelomyces quisqualis (Ascomycota, Phaeosphaeriaceae) in urban environments from Tucumán (Argentina)
title_full Natural occurrence of the mycoparasite Ampelomyces quisqualis (Ascomycota, Phaeosphaeriaceae) in urban environments from Tucumán (Argentina)
title_fullStr Natural occurrence of the mycoparasite Ampelomyces quisqualis (Ascomycota, Phaeosphaeriaceae) in urban environments from Tucumán (Argentina)
title_full_unstemmed Natural occurrence of the mycoparasite Ampelomyces quisqualis (Ascomycota, Phaeosphaeriaceae) in urban environments from Tucumán (Argentina)
title_short Natural occurrence of the mycoparasite Ampelomyces quisqualis (Ascomycota, Phaeosphaeriaceae) in urban environments from Tucumán (Argentina)
title_sort natural occurrence of the mycoparasite ampelomyces quisqualis ascomycota phaeosphaeriaceae in urban environments from tucuman argentina
topic Argentina Northwest (NOA)
anamorph
biological control
Erysiphaceae
Erysiphe
hyperparasite
url https://www.lillo.org.ar/journals/index.php/lilloa/article/view/1847
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