Conference presentation
Evidence for genetic-based climate adaptation in Eucalyptus pauciflora
Annual Conference of the Genetics Society of Australasia, 2012 (Melbourne, Australia, 15-Jul-2012 - 18-Jul-2012)
Genetics Society of Australasia
2012
Abstract
Understanding the genetic basis of adaptation to contemporary environments is key to predicting the evolutionary response of tree species to future climates. Such knowledge is also important to guide forest restoration and translocation activities. We have been studying the adaptive potential of the widespread Eucalyptus pauciflora, a tree species of increasing interest for restoration purposes due to its capacity to withstand harsh environments. Using pedigreed glasshouse and field trials, we assessed quantitative genetic variation of seedling from 281 open-pollinated families from 37 native populations from the island of Tasmania. We analysed 26 morphological traits in the glasshouse, while in the field trials, early growth and survival, insect damage and frost damage were assessed on a periodic basis. Most traits exhibited significant genetic variation both within and between populations. Multivariate analyses provided strong evidence that population differentiation was associated with climate adaptation, with mean maximum temperature of the warmest month at the site of seed origin appearing to be the main driver of the genetic differentiation.
Details
- Title
- Evidence for genetic-based climate adaptation in Eucalyptus pauciflora
- Authors
- A Gauli (Author) - University of TasmaniaTanya G Bailey (Author) - University of TasmaniaDorothy A Steane (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringN Davidson (Author) - University of TasmaniaR E Vaillancourt (Author) - University of TasmaniaBrad M Potts (Author) - University of Tasmania
- Conference details
- Annual Conference of the Genetics Society of Australasia, 2012 (Melbourne, Australia, 15-Jul-2012 - 18-Jul-2012)
- Publisher
- Genetics Society of Australasia
- Organisation Unit
- University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99450046302621
- Output Type
- Conference presentation
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