The European Commission requested the EFSA Panel on Plant Health to evaluate the probability of entry of pests (likelihood of pest freedom at entry), including both regulated and non-regulated pests, associated with unrooted cuttings of the genera and produced under physical isolation in Kenya. The relevance of any pest for this opinion was based on evidence following defined criteria, based on the methodology used for High-Risk Plants adapted for the specificity of this assessment. Fourteen EU-regulated pests (, cowpea mild mottle virus, , , , potato leafroll virus, potato spindle tuber viroid, , , , tomato mild mottle virus, tomato spotted wilt virus, tomato yellow leaf curl virus and ) and six EU non-regulated pests (, pepper veinal mottle virus, , , and tomato yellow ring virus) fulfilled all relevant criteria and were selected for further evaluation. For these pests, the risk mitigation measures proposed in the technical dossier from Kenya were evaluated, taking into account the possible limiting factors. Additionally, 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 estimated degree of pest freedom varies among the pests evaluated, with being the pest most frequently expected on the imported cuttings. The Expert Knowledge Elicitation indicated, with 95% certainty, that between 9942 and 10,000 bags containing unrooted cuttings of spp. and spp. per 10,000 would be free of

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11044013PMC
http://dx.doi.org/10.2903/j.efsa.2024.8742DOI Listing

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Article Synopsis
  • - The European Commission tasked the EFSA Panel on Plant Health with assessing the risk of pests related to unrooted cuttings produced in Costa Rica, focusing on both regulated and non-regulated pests.
  • - A total of 22 regulated pest species were identified, including various viruses affecting plants, and were analyzed for potential entry risks and the effectiveness of Costa Rica's risk mitigation strategies.
  • - The evaluation concluded that while the risk of pest contamination varied among those studied, there is a high likelihood (95% certainty) that most unrooted cuttings would be free of the tomato spotted wilt virus, estimating that 9,927 to 10,000 out of 10,000 bags would not carry this pest. *
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The restoration of succulent thicket (the semi-arid components of the Albany Subtropical Thicket biome endemic to South Africa) has largely focused on the reintroduction of L. Jacq-a leaf- and stem-succulent shrub-through the planting of unrooted cuttings directly into field sites. However, there has been inconsistent establishment and survival rates, with low rates potentially due to a range of factors (, post-planting drought, frost or herbivory), including the poor condition of source material used.

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The European Commission requested the EFSA Panel on Plant Health to evaluate the probability of entry of pests (likelihood of pest freedom at entry), including both regulated and non-regulated pests, associated with unrooted cuttings of the genera and produced under physical isolation in Kenya. The relevance of any pest for this opinion was based on evidence following defined criteria, based on the methodology used for High-Risk Plants adapted for the specificity of this assessment. Fourteen EU-regulated pests (, cowpea mild mottle virus, , , , potato leafroll virus, potato spindle tuber viroid, , , , tomato mild mottle virus, tomato spotted wilt virus, tomato yellow leaf curl virus and ) and six EU non-regulated pests (, pepper veinal mottle virus, , , and tomato yellow ring virus) fulfilled all relevant criteria and were selected for further evaluation.

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The European Commission requested the EFSA Panel on Plant Health to evaluate the probability of entry of pests (likelihood of pest freedom at entry), including both, regulated and non-regulated pests, associated with unrooted cuttings of the genera and produced under physical isolation in Guatemala. The relevance of any pest for this opinion was based on evidence following defined criteria, based on the methodology used for high-risk plants adapted for the specificity of this assessment. Nineteen EU regulated pests (, pepper golden mosaic virus, pepper huasteco yellow vein virus, tomato severe leaf curl virus, tomato yellow leaf curl virus, tomato spotted wilt virus, , , , , , , , , , , ) and one EU non-regulated () pest fulfilled all relevant criteria and were selected for further evaluation.

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Drought prone, arid and semi-arid ecosystems are challenging to restore once degraded due to low levels of natural recruitment and survival of reintroduced plants. This is evident in the restoration of degraded succulent thicket habitats in the Albany Subtropical Thicket Biome located in South Africa. The current restoration practice for this ecosystem focuses predominantly on reintroducing L.

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