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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 grafted on imported from Ukraine, taking into account the available scientific information, including the technical information provided by Ukraine. All pests associated with the commodity were evaluated against specific criteria for their relevance for this opinion. One quarantine pest (), two protected zone quarantine pests ( and pv. ) and one non-regulated pest () that fulfilled all relevant criteria were selected for further evaluation. For these four pests, the risk mitigation measures proposed in the technical dossier from Ukraine 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 pv. being the pest most frequently expected on the imported plants. The Expert Knowledge Elicitation indicated with 95% certainty that between 9,870 and 10,000 bundles (consisting of 10 plants each) per 10,000 would be free from pv. .

欧盟委员会要求欧洲食品安全局植物健康小组对欧盟委员会实施条例（EU）2018/2019中列为“高风险植物、植物产品及其他物品”的商品进行风险评估并提交结果。本科学意见涵盖了从乌克兰进口的嫁接于上的植物所带来的植物健康风险，同时考虑了现有科学信息，包括乌克兰提供的技术信息。针对该商品相关的所有有害生物，根据与本意见相关性的特定标准进行了评估。挑选出一种检疫性有害生物（）、两种保护区检疫性有害生物（和致病型）以及一种符合所有相关标准的非管制性有害生物（）进行进一步评估。对于这四种有害生物，考虑到可能的限制因素，对乌克兰技术档案中提出的风险缓解措施进行了评估。对于选定的有害生物，在考虑针对有害生物的风险缓解措施（包括评估中存在的不确定性）的情况下，就有害生物不存在的可能性给出了专家判断。在评估的有害生物中，有害生物不存在的程度各不相同，致病型是进口植物上最常预期出现的有害生物。专家知识 elicitation 以95%的确定性表明，每10000株中，9870至10000捆（每捆由10株植物组成）将不存在致病型。