Commodity risk assessment of Acer platanoides plants from the UK

Bragard, Claude; Baptista, Paula; Chatzivassiliou, Elisavet; Serio, Francesco Di; Miret, Josep Anton Jaques; Justesen, Annemarie Fejer; MacLeod, Alan; Magnusson, Christer Sven; Milonas, Panagiotis; Navas‐Cortés, Juan A; Parnell, Stephen; Potting, Roel; Reignault, Philippe Lucien; Stefani, Emilio; Thulke, Hans‐Hermann; Werf, Wopke Van der; Civera, Antonio Vicent; Yuen, Jonathan; Zappalà, Lucia; Battisti, Andrea; Mas, Hugo; Rigling, Daniel; Faccoli, Massimo; Gardi, Ciro; Iacopetti, Giovanni; Mikulová, Alžběta; Mosbach‐Schulz, Olaf; Stergulc, Fabio; Streissl, Franz; Gonthier, Paolo

doi:10.2903/j.efsa.2023.8073

Cited by 1 publication

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“…The European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of C. castaneicola following commodity risk assessments of Acer campestre, A. palmatum , A. platanoides, A. pseudoplatanus , Quercus petraea and Q. robur plants from the UK, in which C. castaneicola was identified as a pest of possible concern to the EU (EFSA PLH Panel, 2023a , 2023b , 2023c , 2023d , 2023e , 2023f ).…”

Section: Introductionmentioning

confidence: 99%

Pest categorisation of Coniella castaneicola

Bragard,

Baptista,

Chatzivassiliou

et al. 2024

EFS2

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The European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of Coniella castaneicola (Ellis & Everh) Sutton, following commodity risk assessments of Acer campestre, A. palmatum, A. platanoides, A. pseudoplatanus, Quercus petraea and Q. robur plants from the UK, in which C. castaneicola was identified as a pest of possible concern to the EU. When first described, Coniella castaneicola was a clearly defined fungus of the family Schizoparmaceae, but due to lack of a curated type‐derived DNA sequence, current identification based only on DNA sequence is uncertain and taxa previously reported to be this fungus based on molecular identification must be confirmed. The uncertainty on the reported identification of this species translates into uncertainty on all the sections of this categorisation. The fungus has been reported on several plant species associated with leaf spots, leaf blights and fruit rots, and as an endophyte in asymptomatic plants. The species is reported from North and South America, Africa, Asia, non‐EU Europe and Oceania. Coniella castaneicola is not known to occur in the EU. However, there is a key uncertainty on its presence and geographical distribution worldwide and in the EU due to its endophytic nature, the lack of systematic surveys and possible misidentifications. Coniella castaneicola is not included in Commission Implementing Regulation (EU) 2019/2072 and there are no interceptions in the EU. Plants for planting, fresh fruits and soil and other growing media associated with infected plant debris are the main pathways for its entry into the EU. Host availability and climate suitability in parts of the EU are favourable for the establishment and spread of the fungus. Based on the scarce information available, the introduction and spread of C. castaneicola in the EU is not expected to cause substantial impacts, with a key uncertainty. Phytosanitary measures are available to prevent its introduction and spread in the EU. Because of lack of documented impacts, Coniella castaneicola does not satisfy all the criteria that are within the remit of EFSA to assess for this species to be regarded as potential Union quarantine pest.

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