Journal article
On the origin and genetic variability of the two invasive biotypes of Chromolaena odorata
Biological Invasions, Vol.20(8), pp.2033-2046
2018
Abstract
Chromolaena odorata (L.) R. M. King and H. Robinson (Asteraceae), originally from the Neotropics, has become a serious weed in the humid tropics and subtropics of Southeast Asia, Africa and Pacific Islands. In its introduced distributions, C. odorata has been recognised as two biotypes, the Asian/West African (AWA) biotype and South African (SA) biotype, with independent distribution, morphology and ecological characters. To characterise the genetic variability and identify the likely source regions in the native distributions of the two biotypes, we carried out an extensive phylogeographic study using chloroplast and nuclear DNA sequences and microsatellite DNA markers. The analysis of both DNA sequences and nuclear markers showed that native populations possessed high genetic diversity, while both the AWA and SA biotypes in invaded regions appeared to have low genetic diversity. The AWA and SA biotypes were genetically distinct. Strong competitive ability and environmental adaptability may have facilitated the invasion AWA and SA biotypes in its respective invasive regions. We conclude that the source of AWA biotype may be Trinidad and Tobago, while the SA biotype was from Cuba and Jamaica. For a better outcome of biocontrol, the potential biological control agents for the two biotypes should be collected from these native regions, respectively.
Details
- Title
- On the origin and genetic variability of the two invasive biotypes of Chromolaena odorata
- Authors/Creators
- X. Shao (Author/Creator) - University of Chinese Academy of SciencesQ. Li (Author/Creator) - Chinese Academy of sciencesL. Lin (Author/Creator) - Chinese Academy of sciencesT. He (Author/Creator) - Curtin University
- Publication Details
- Biological Invasions, Vol.20(8), pp.2033-2046
- Publisher
- Springer
- Identifiers
- 991005542379107891
- Copyright
- © Springer International Publishing AG, part of Springer Nature 2018
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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InCites Highlights
These are selected metrics from InCites Benchmarking & Analytics tool, related to this output
- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.64 Phylogenetics & Genomics
- 3.64.71 Genetic Diversity
- Web Of Science research areas
- Biodiversity Conservation
- Ecology
- ESI research areas
- Environment/Ecology