The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by plants of Acer palmatum imported from the United Kingdom (UK) as: (a) 1- to 2-year-old bare root plants for planting and (b) 1- to 7-year-old plants in pots, taking into account the available scientific information, including the technical information provided by the UK. All pests associated with the commodity were evaluated against specific criteria for their relevance for this opinion. Six EU quarantine pests and four pests not regulated in the EU fulfilled all relevant criteria and were selected for further evaluation. For these pests, the risk mitigation measures implemented in the technical dossier from the UK were evaluated taking into account the possible limiting factors. For the selected pests an expert judgement is given on the likelihood of pest freedom taking into consideration the risk mitigation measures acting on the pest, including uncertainties associated with the assessment. The degree of pest freedom varies among the pests evaluated, with Meloidogyne mali or M. fallax being the pest most frequently expected on the imported plants. The expert knowledge elicitation indicated with 95% certainty that 9,792 or more plants in pots per 10,000 will be free from Meloidogyne mali or M. fallax.
Commodity risk assessment of Acer palmatum plants from the UK / Bragard, C.; Baptista, P.; Chatzivassiliou, E.; Di Serio, F.; Jaques Miret, J. A.; Justesen, A. F.; Macleod, A.; Magnusson, C. S.; Milonas, P.; Navas-Cortes, J. A.; Parnell, S.; Potting, R.; Reignault, P. L.; Stefani, E.; Thulke, H. -H.; Van der Werf, W.; Vicent Civera, A.; Yuen, J.; Zappala, L.; Battisti, A.; Mas, H.; Rigling, D.; Faccoli, M.; Gardi, C.; Iacopetti, G.; Mikulova, A.; Mosbach-Schulz, O.; Stergulc, F.; Streissl, F.; Gonthier, P.. - In: EFSA JOURNAL. - ISSN 1831-4732. - 21:7(2023), pp. e08075-e08075. [10.2903/j.efsa.2023.8075]
Commodity risk assessment of Acer palmatum plants from the UK
Stefani E.Membro del Collaboration Group
;
2023
Abstract
The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by plants of Acer palmatum imported from the United Kingdom (UK) as: (a) 1- to 2-year-old bare root plants for planting and (b) 1- to 7-year-old plants in pots, taking into account the available scientific information, including the technical information provided by the UK. All pests associated with the commodity were evaluated against specific criteria for their relevance for this opinion. Six EU quarantine pests and four pests not regulated in the EU fulfilled all relevant criteria and were selected for further evaluation. For these pests, the risk mitigation measures implemented in the technical dossier from the UK were evaluated taking into account the possible limiting factors. For the selected pests an expert judgement is given on the likelihood of pest freedom taking into consideration the risk mitigation measures acting on the pest, including uncertainties associated with the assessment. The degree of pest freedom varies among the pests evaluated, with Meloidogyne mali or M. fallax being the pest most frequently expected on the imported plants. The expert knowledge elicitation indicated with 95% certainty that 9,792 or more plants in pots per 10,000 will be free from Meloidogyne mali or M. fallax.
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