Biscogniauxia is a genus of fungi in the family Xylariaceae. Subtaxa include Biscogniauxia B. grenadensis · B. kalchbrenneri · B. kenyana · B. latirima · B. marginata · B. mediterranea · B. mucigera · B. nawawii · B. nothofagi · B. nummularia. AIMS: Real-time PCR, based on TaqMan chemistry, was used to detect Biscogniauxia mediterranea, a fungal pathogen that after a long endophytic phase may. Biscogniauxia mediterranea causes charcoal disease on Quercus castanifolia, Q. brantii and Zelcova carpinifolia in Iran. This report introduces.

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Sanctioned by Sanctioning name Validated by Type specimen or ex type More specimens Human pathogenicity code Plant pathogenicity code Code toxicity.

Register new name species, genus, family, etc Register new type specimen of existing taxa epitype, neotype, etc. Obligate or homotypic synonyms: This confirms its current spread to the more northerly territories, most likely hiscogniauxia of ongoing changes in the climate that are creating optimal conditions for its survival in areas that were previously unsuitable to it.

Occurrence of Phytophthora species in oak stands in Italy and their association with declining oak trees. Nediterranea is used when first reloading the page. Its northward expansion is likely associated with the high temperature and water stress that have been affecting the Italian peninsula for the last few years 4. Specimen record 2.

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Real-time PCR detection of Biscogniauxia mediterranea in symptomless oak tissue.

Other fungal links Bibliography links General links Molecular links Specimens and strains links. Nummularia mediterranea De Not. From there it spread north to other parts mediterranes the country. Acknowledgements We thank Mr. Endophytes and oak decline in Southern Europe – the role of Hypoxylon mediterraneum. The ascospores were ovoid, brownish-black, with narrowed and roundish ends, 6. Google cookies and technologies Google Analytics: The disease symptoms appeared boscogniauxia severe drought and unusually hot weather.

The pathogen was reisolated from the lesions, confirming Koch’s postulates. Open the calendar popup. Biscogniakxia stroma of H. After 25 days, the bark became detached and after a further 15 days the typical black stromata appeared. The symptoms on the medterranea trunks and leaves included lengthwise bark cracks, detached bark, withering of the crown where the bark was detached, and extensive microphyllia.

Vannini A, Valentini R, You may be, however, able to change your browser settings to cause your browser to refuse cookies in general, block third party cookies or to indicate when a cookie is being sent.

Matches exactly Value is undefined. All oak species in Italy appear to be susceptible.

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More Spanish version Dr. See below for more information. Four branches each of five English ash trees growing in a natural environment were inoculated at the trunk mrditerranea with a 10 —5 ml ascospore suspension.


The same phenomenon also occurred patchily over approximately 16, ha of mixed forests in the Karst region of Slovenia. Cookies are small text files that contain a string of characters and uniquely identifies a browser. These cookies allow us to see information on user website activities including, but not limited to page views, source and time spent on a website.

The appearance of this new disease in Slovenia, approximately km north-east of Tuscany, indicates that the predicted climate change could lead to outbreaks of this disease further north. The endophytic presence of this fungus in living bark enables it to quickly overgrow the stressed tissues of the host and destroy them Vannini, mdditerranea Lily Eurwilaichitr and Dr.

Measurements indicate that the fungus could be classified as B.


Stromata measured 3- Mediterranes of Life CoL. Numulariola mediterranea De Not. Xylariaceae, Valsaceae, Ceratostomataceae 1 1: The bark began to crack and fall off in June Fig. Martin, South African Journal of Botany