Population genetics elucidates invasion pathways and informs biocontrol strategies for the crystalline ice plant ( Cryophytum crystallinum ) in North America
Rattachement africain : Afrique du Sud, au, us, it. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Abstract Crystalline ice plant [ Cryophytum crystallinum (L.) N.E. Br.] is a succulent plant indigenous to South Africa. It is a highly invasive weed in North America. There are currently three weevil species from the native range that show promise as potential biological control agents for invasive populations in North America. The present study used a ddRADseq (double digest restriction site–associated DNA sequencing) population genetic technique to match the invasive populations in North America to their source of origin to prioritize survey areas where the best-matched agent genotypes are likely to occur. We found that populations in the Canary Islands and Morocco closely matched those in the invaded North American range and that this genetic cluster was most similar to the South African native range sites surrounding the Cape Town area and those from Aniston Village farther east along the coastline. There was evidence of an invasion route from South Africa to the Mediterranean Basin, with a secondary bridgehead invasion that likely took place from there to North America. Genetic structuring within the native range revealed a total of four distinct populations, where sites north and south of Cape Town were unique and did not match the invasive populations. We found a unique outlier population in the Northern Cape that displayed intermediate morphological traits between C. crystallinum and its close relative, ice plant ( Mesembryanthemum guerichianum Pax; syn.: Cryophytum guerichianum Pax). Surveys for biological control agents should focus on the areas between Kalk Bay and Yzerfontein in the Western Cape and sites surrounding Arniston Village.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.
- Titre Crossref
- Population genetics elucidates invasion pathways and informs biocontrol strategies for the crystalline ice plant ( <i>Cryophytum crystallinum</i> ) in North America
- Date Crossref
- 01/01/2026
- Éditeur
- Cambridge University Press (CUP)
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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Rhodes University Afrique du Sud (code pays fourni par la source)Université ou école supérieure
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Commonwealth Scientific and Industrial Research Organisation pays non établi dans la noticeOrganisme public
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Agricultural Research Service pays non établi dans la noticeOrganisme public
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Italian Medicines Agency pays non établi dans la noticeOrganisme public
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Center Point pays non établi dans la noticeInstitution
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CSIRO QBP: CSIRO Queensland Biosciences Precinct pays non établi dans la noticeInstitution
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Biotechnology and Biological Control Agency pays non établi dans la noticeOrganisme public
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Naval Base Ventura County pays non établi dans la noticeInstitution
Rhodes University (Afrique du Sud), Commonwealth Scientific and Industrial Research Organisation et Agricultural Research Service, avec 5 autres affiliations. Pays d’affiliation : Afrique du Sud.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.