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Scheda pubblicazione
Titolo:
Phytophthora cinnamomi causing stem canker and root rot of nursery-grown Platanus acerifolia: first report in the Northern emisphere
Autori:
Pilotti, M.; Di Lernia, G.; Lumia, V.; Riccioni, L.
Anno:
2014
Lingue:
ENG, eng
Rivista:
Phytopathologia Mediterraneaa
Tipo di pubblicazione:
Cartaceo
Luogo:
Firenze
Editore:
Firenze University Press
Riassunto in Italiano:
Riassunto in Inglese:
Lethal stem and root cankers were observed in nursery-grown Platanus acerifolia trees in Rome. Externally, canker lesions appeared as bluish or blackish areas starting from the stem base and extending upward. Inner bark was necrotised. In some cases an irregularly-shaped callus reaction attempted to heal the bark lesions. Black-stained necrosis affected the primary roots and the small branch roots to different degrees. The presence of Ceratocystis platani was excluded in the diseased trees. Phytophthora-like organisms were isolated from the altered tissue. Morphological and ITS-region-based analyses identified the isolates as Phytophthora cinnamomi. A pathogenicity test confirmed P. cinnamomi as the causal agent of the disease here defined as: stem canker and root rot of plane tree. This is the first report of P. cinnamomi in Platanus spp. in the Northern emisphere.
Link:
http://dx.doi.org/10.14601/Phytopathol_Mediterr-11836

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