Abstract
Genetic diversity and dispersal of cadaghi (Corymbia torelliana, Myrtaceae)
Proceedings of the 2004 IUFRO Conference
IUFRO Conference: Population, Evolutionary and Ecological Genomics of Forest Trees, 2004 (Pacific Grove, United States, 2004)
2004
Abstract
Cadaghi (Corymbia torelliana) has a natural distribution that is restricted to the rainforest margins of Far North Queensland, but has been planted widely as an ornamental and amenity species within Australia. It has a unique seed dispersal mechanism by stingless bees (Trigona spp.) termed "mellitochory", potentially leading to dispersal events over much greater distances than expected by gravity alone. Given that C. torelliana has been declared an invasive weed in parts of southern Queensland and northern New South Wales, knowledge of the diversity within this species and the relative distances which Trigona bees disperse their seeds will be useful in the environmental management of C. torelliana. This study also has important implications to the forestry industry given that it naturally hybridises with spotted gum taxa and such hybrids are showing great potential for hardwood plantations across northern Australia. Using molecular markers such as microsatellites and chloroplast DNA, we have investigated the level of genetic diversity within and between natural populations of C. torelliana across its natural range. The relative distance of seed dispersal by bees compared to pollen dispersal was also been examined using microsatellites in a semi-natural C. torelliana population. The results from these studies will be presented.
Details
- Title
- Genetic diversity and dispersal of cadaghi (Corymbia torelliana, Myrtaceae)
- Authors
- Rhonda L Stokoe (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationMalcolm G McVey (Author)Stephen J Trueman (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationDavid J Lee (Author)Helen M Wallace (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
- Publication details
- Proceedings of the 2004 IUFRO Conference
- Conference details
- IUFRO Conference: Population, Evolutionary and Ecological Genomics of Forest Trees, 2004 (Pacific Grove, United States, 2004)
- Publisher
- International Union of Forest Research Organizations (IUFRO)
- Date published
- 2004
- Organisation Unit
- Faculty of Science, Health, Education and Engineering; School of Science and Engineering - Legacy; Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; Forest Industries Research Centre; Forest Research Institute
- Language
- English
- Record Identifier
- 99449019702621
- Output Type
- Abstract
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