@ARTICLE{TreeBASE2Ref32505,
author = {Valeria Fusco and Vittorio Pasciuta and Valentina Lumia and Antonio Matere and Valerio Battaglia and Giorgia Bertinelli and Domenico Sansone and Angela Brunetti and Massimo Pilotti},
title = {Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in central Italy},
year = {2021},
keywords = {Olive tree, Favolosa, Dematophora necatrix, Emmia lacerata, stem rot and wilting, agrochemicals},
doi = {},
url = {http://},
pmid = {},
journal = {},
volume = {},
number = {},
pages = {},
abstract = {Lethal wilting was observed on young olive trees cv Favolosa in a grove in central Italy. White mycelial strands wrapped the basal portion of the stems that had been buried during planting. The bark was rotted and the xylem was discoloured. A fungal morphotype was strictly associated with symptomatic plants and identified as Dematophora (ex Rosellinia) necatrix. Pathogenicity tests on cvs Favolosa, Leccino and Ogliarola demonstrated that D. necatrix was the causal agent of the disease. Our investigations revealed that infections occurring during autumn and winter greatly favour the disease. By applying a marcottage to the inoculation point, we accelerated the course of the disease and mimicked the lethal outcome observed in the field. In in vitro tests, seven systemic agrochemicals strongly inhibited/devitalised D. necatrix. Dentamet, Al-phosphite and Thiophanate methyl were selected to be tested in planta with a curative and preventive modality. Only Thiophanate methyl, in preventive modality, fully protected the plants from disease progression throughout the observation period.
An additional fungal species was strictly associated with both diseased and apparently healthy plants. Morphological and molecular features identified the fungus as Emmia lacerata, a polypore species within the Irpicaceae, which is the agent of white rot on dead woody substrates. To our knowledge, this is the first time that E. lacerata has been reported in Italy and worldwide on olive trees. Inoculation of Favolosa trees revealed that it colonizes the xylem without causing visible alterations. The possible role of E. lacerata in the olive tree-D. necatrix pathosystem is discussed.
}
}
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Citation title: "Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in central Italy".
Study name: "Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in central Italy".
This study is part of submission 28813
(Status: In Progress).
Citation
Fusco V., Pasciuta V., Lumia V., Matere A., Battaglia V., Bertinelli G., Sansone D., Brunetti A., & Pilotti M. 2021. Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in central Italy. , .
Authors
Fusco V.
Pasciuta V.
Lumia V.
Matere A.
Battaglia V.
Bertinelli G.
Sansone D.
Brunetti A.
Pilotti M.
(submitter)
+390682070357
Abstract
Lethal wilting was observed on young olive trees cv Favolosa in a grove in central Italy. White mycelial strands wrapped the basal portion of the stems that had been buried during planting. The bark was rotted and the xylem was discoloured. A fungal morphotype was strictly associated with symptomatic plants and identified as Dematophora (ex Rosellinia) necatrix. Pathogenicity tests on cvs Favolosa, Leccino and Ogliarola demonstrated that D. necatrix was the causal agent of the disease. Our investigations revealed that infections occurring during autumn and winter greatly favour the disease. By applying a marcottage to the inoculation point, we accelerated the course of the disease and mimicked the lethal outcome observed in the field. In in vitro tests, seven systemic agrochemicals strongly inhibited/devitalised D. necatrix. Dentamet, Al-phosphite and Thiophanate methyl were selected to be tested in planta with a curative and preventive modality. Only Thiophanate methyl, in preventive modality, fully protected the plants from disease progression throughout the observation period.
An additional fungal species was strictly associated with both diseased and apparently healthy plants. Morphological and molecular features identified the fungus as Emmia lacerata, a polypore species within the Irpicaceae, which is the agent of white rot on dead woody substrates. To our knowledge, this is the first time that E. lacerata has been reported in Italy and worldwide on olive trees. Inoculation of Favolosa trees revealed that it colonizes the xylem without causing visible alterations. The possible role of E. lacerata in the olive tree-D. necatrix pathosystem is discussed.
@ARTICLE{TreeBASE2Ref32505,
author = {Valeria Fusco and Vittorio Pasciuta and Valentina Lumia and Antonio Matere and Valerio Battaglia and Giorgia Bertinelli and Domenico Sansone and Angela Brunetti and Massimo Pilotti},
title = {Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in central Italy},
year = {2021},
keywords = {Olive tree, Favolosa, Dematophora necatrix, Emmia lacerata, stem rot and wilting, agrochemicals},
doi = {},
url = {http://},
pmid = {},
journal = {},
volume = {},
number = {},
pages = {},
abstract = {Lethal wilting was observed on young olive trees cv Favolosa in a grove in central Italy. White mycelial strands wrapped the basal portion of the stems that had been buried during planting. The bark was rotted and the xylem was discoloured. A fungal morphotype was strictly associated with symptomatic plants and identified as Dematophora (ex Rosellinia) necatrix. Pathogenicity tests on cvs Favolosa, Leccino and Ogliarola demonstrated that D. necatrix was the causal agent of the disease. Our investigations revealed that infections occurring during autumn and winter greatly favour the disease. By applying a marcottage to the inoculation point, we accelerated the course of the disease and mimicked the lethal outcome observed in the field. In in vitro tests, seven systemic agrochemicals strongly inhibited/devitalised D. necatrix. Dentamet, Al-phosphite and Thiophanate methyl were selected to be tested in planta with a curative and preventive modality. Only Thiophanate methyl, in preventive modality, fully protected the plants from disease progression throughout the observation period.
An additional fungal species was strictly associated with both diseased and apparently healthy plants. Morphological and molecular features identified the fungus as Emmia lacerata, a polypore species within the Irpicaceae, which is the agent of white rot on dead woody substrates. To our knowledge, this is the first time that E. lacerata has been reported in Italy and worldwide on olive trees. Inoculation of Favolosa trees revealed that it colonizes the xylem without causing visible alterations. The possible role of E. lacerata in the olive tree-D. necatrix pathosystem is discussed.
}
}
TY - JOUR
ID - 32505
AU - Fusco,Valeria
AU - Pasciuta,Vittorio
AU - Lumia,Valentina
AU - Matere,Antonio
AU - Battaglia,Valerio
AU - Bertinelli,Giorgia
AU - Sansone,Domenico
AU - Brunetti,Angela
AU - Pilotti,Massimo
T1 - Root and stem rot, and wilting of olive tree caused by Dematophora necatrix and associated with Emmia lacerata in central Italy
PY - 2021
KW - Olive tree
KW - Favolosa
KW - Dematophora necatrix
KW - Emmia lacerata
KW - stem rot and wilting
KW - agrochemicals
UR - http://dx.doi.org/
N2 - Lethal wilting was observed on young olive trees cv Favolosa in a grove in central Italy. White mycelial strands wrapped the basal portion of the stems that had been buried during planting. The bark was rotted and the xylem was discoloured. A fungal morphotype was strictly associated with symptomatic plants and identified as Dematophora (ex Rosellinia) necatrix. Pathogenicity tests on cvs Favolosa, Leccino and Ogliarola demonstrated that D. necatrix was the causal agent of the disease. Our investigations revealed that infections occurring during autumn and winter greatly favour the disease. By applying a marcottage to the inoculation point, we accelerated the course of the disease and mimicked the lethal outcome observed in the field. In in vitro tests, seven systemic agrochemicals strongly inhibited/devitalised D. necatrix. Dentamet, Al-phosphite and Thiophanate methyl were selected to be tested in planta with a curative and preventive modality. Only Thiophanate methyl, in preventive modality, fully protected the plants from disease progression throughout the observation period.
An additional fungal species was strictly associated with both diseased and apparently healthy plants. Morphological and molecular features identified the fungus as Emmia lacerata, a polypore species within the Irpicaceae, which is the agent of white rot on dead woody substrates. To our knowledge, this is the first time that E. lacerata has been reported in Italy and worldwide on olive trees. Inoculation of Favolosa trees revealed that it colonizes the xylem without causing visible alterations. The possible role of E. lacerata in the olive tree-D. necatrix pathosystem is discussed.
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