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Genetic variation in narrow leafed lupin (NLL) accessions and breeding programs. The centre of origin of a crop plant is expected to have the greatest extant genetic variation of wild relatives. Development of modern cultivars may be accompanied by a severe genetic bottleneck, whereby subsequent breeding efforts are hampered by lack of significant genetic variation within domesticated breeding material. This proposal will research the extent to which the available genetic variation in wild acces ....Genetic variation in narrow leafed lupin (NLL) accessions and breeding programs. The centre of origin of a crop plant is expected to have the greatest extant genetic variation of wild relatives. Development of modern cultivars may be accompanied by a severe genetic bottleneck, whereby subsequent breeding efforts are hampered by lack of significant genetic variation within domesticated breeding material. This proposal will research the extent to which the available genetic variation in wild accessions of the recently developed crop Lupinus angustifolius has been utilised in breeding programs around the world. Results will be applied to broaden the gene pool and improve adaptation of new cultivars in the National Lupin Improvement Program.Read moreRead less
Will genetic rescue save the Tasmanian devil? This project aims to measure the long-term genetic impacts of the Save the Tasmanian Devil Program’s ‘Wild Devil Recovery’ initiative. The project will determine whether supplementing small populations with individuals that are genetically diverse reduces inbreeding depression. The project will also monitor the impact of supplementation on the evolutionary trajectory of Devil Facial Tumour Disease. The project will train a cohort of conservation scie ....Will genetic rescue save the Tasmanian devil? This project aims to measure the long-term genetic impacts of the Save the Tasmanian Devil Program’s ‘Wild Devil Recovery’ initiative. The project will determine whether supplementing small populations with individuals that are genetically diverse reduces inbreeding depression. The project will also monitor the impact of supplementation on the evolutionary trajectory of Devil Facial Tumour Disease. The project will train a cohort of conservation scientists to translate genetic data into management actions. The outputs will directly inform the management actions of the Tasmanian Department of Primary Industries Parks, Water and the Environment and will help shape other species recovery programs.Read moreRead less
Selection and deployment of browsing resistant Eucalyptus globulus and Eucalyptus nitens. Marsupial browsing is a significant problem for eucalypt plantation establishment in Australia. To date, browsing control has relied on the use of 1080 pesticide, but through political and social pressure this will cease in Tasmanian State Forests by December 2005. To develop new approaches to integrated pest management, we will explore the use of natural plant resistance to marsupial browsers. We will dete ....Selection and deployment of browsing resistant Eucalyptus globulus and Eucalyptus nitens. Marsupial browsing is a significant problem for eucalypt plantation establishment in Australia. To date, browsing control has relied on the use of 1080 pesticide, but through political and social pressure this will cease in Tasmanian State Forests by December 2005. To develop new approaches to integrated pest management, we will explore the use of natural plant resistance to marsupial browsers. We will determine the genetic and chemical basis of seedling resistance in Eucalyptus globulus and E. nitens, and investigate the stability of resistance though tree development and across different sites. Resistant germplasm will be identified and tested in operational plantings.Read moreRead less
Wood quality improvement for spotted gum. Eucalypts are one of the world's top sources of hardwood saw and pulp logs. This project will provide a model for accelerated tree improvement for wood quality. The aim is to link genes for wood formation with wood quality phenotypes in spotted gum, a priority hardwood eucalypt for Northern Australia. The significance of the approach is time and costs saved in the deployment of plantations of higher wood quality through the circumvention of delays to gen ....Wood quality improvement for spotted gum. Eucalypts are one of the world's top sources of hardwood saw and pulp logs. This project will provide a model for accelerated tree improvement for wood quality. The aim is to link genes for wood formation with wood quality phenotypes in spotted gum, a priority hardwood eucalypt for Northern Australia. The significance of the approach is time and costs saved in the deployment of plantations of higher wood quality through the circumvention of delays to generate populations required for alternative approaches and early selection available with molecular breeding.Read moreRead less
Is restoration working? An ecological genetic assessment. This project aims to assess the success of restoration in terms of ecological and genetic viability for plant species in the Fitzgerald River–Stirling Range region of Western Australia, where significant investment is being made in restoring connectivity at a landscape scale. The project intends to compare reproductive output, pollinator behaviour, mating, genetic diversity and pollen dispersal in restored sites with those of undisturbed ....Is restoration working? An ecological genetic assessment. This project aims to assess the success of restoration in terms of ecological and genetic viability for plant species in the Fitzgerald River–Stirling Range region of Western Australia, where significant investment is being made in restoring connectivity at a landscape scale. The project intends to compare reproductive output, pollinator behaviour, mating, genetic diversity and pollen dispersal in restored sites with those of undisturbed natural vegetation. The project moves measures of restoration success beyond that of population establishment and survival to incorporate the evolutionary processes that provide long-term resilience, persistence and functional integration of restored populations into broader landscapes.Read moreRead less
Genetic association studies of fundamental wood fibre components in Pinus radiata resource populations. Radiata pine is Australia's premiere softwood plantation species occupying in excess of one million hectares, contributing over $18 billion to Australia's GNP and providing employment to 130,000 Australians. With a trade deficit in forest and forest products of $1.85 billion, current massive plantation establishment efforts are in train to reverse this trend. These have to be backed by researc ....Genetic association studies of fundamental wood fibre components in Pinus radiata resource populations. Radiata pine is Australia's premiere softwood plantation species occupying in excess of one million hectares, contributing over $18 billion to Australia's GNP and providing employment to 130,000 Australians. With a trade deficit in forest and forest products of $1.85 billion, current massive plantation establishment efforts are in train to reverse this trend. These have to be backed by research into the factors that determine the base resource's quality, growth and sustainability. Results will lead to improved resource quality, increased productivity and new industrial opportunities, directly improving our trade position and releasing pressure on our native forest resources.Read moreRead less
Mitigating ecosystem impacts by improving the way we breed and manage devils. The Tasmanian ecosystem faces irreversible change due to the decline of the apex predator. An insurance population of Tasmanian devils has been established to prevent extinction of the species. Using the latest sequencing technologies the project aims to determine whether the Tasmanian ecosystem can be restored with Tasmanian devils that are more resilient to a changing environment by improving the way that devils are ....Mitigating ecosystem impacts by improving the way we breed and manage devils. The Tasmanian ecosystem faces irreversible change due to the decline of the apex predator. An insurance population of Tasmanian devils has been established to prevent extinction of the species. Using the latest sequencing technologies the project aims to determine whether the Tasmanian ecosystem can be restored with Tasmanian devils that are more resilient to a changing environment by improving the way that devils are bred and managed in captivity.Read moreRead less
Metabolic engineering of sugarcane: production of a biodegradable bioplastic as a test-case. The aim of this project is to produce a commercially valuable bioplastic called PHB in transgenic sugarcane. This bioplastic has similar properties to petrochemically produced polypropylene, but is fully biodegradable. PHB has been produced in the model plant Arabidopsis thaliana at commercially viable levels. The expected outcome of high-level production of PHB in sugarcane would have significant ben ....Metabolic engineering of sugarcane: production of a biodegradable bioplastic as a test-case. The aim of this project is to produce a commercially valuable bioplastic called PHB in transgenic sugarcane. This bioplastic has similar properties to petrochemically produced polypropylene, but is fully biodegradable. PHB has been produced in the model plant Arabidopsis thaliana at commercially viable levels. The expected outcome of high-level production of PHB in sugarcane would have significant benefits to the Australian sugar industry, the rural economy, and the Australian environment.Read moreRead less
Experimental translocations to understand and combat eastern quoll declines. The project aims to understand the causes of observed declines of the eastern quoll in Tasmania, and develop tools to safeguard this species in their last wild stronghold. The project will test the innovative approach of undertaking a series of experimental translocations at an early stage of a population decline. This approach will provide reliable information on the causes of observed declines, while simultaneously te ....Experimental translocations to understand and combat eastern quoll declines. The project aims to understand the causes of observed declines of the eastern quoll in Tasmania, and develop tools to safeguard this species in their last wild stronghold. The project will test the innovative approach of undertaking a series of experimental translocations at an early stage of a population decline. This approach will provide reliable information on the causes of observed declines, while simultaneously testing the effectiveness of translocations of captive-bred animals as a management tool for the species. It will also develop evidence-based protocols for undertaking captive-bred translocations, to improve the outcomes of eastern quoll recovery efforts as well as promoting early intervention for other declining species. Read moreRead less
Optimising plant populations for ecological restoration and resilience. When choosing individual plants for restoration populations, there is potentially a trade-off between maximising genetic diversity (‘adaptability’) and selection for desirable properties (‘adaptation’). This project aims to develop pioneering methods to quantify this trade-off, and facilitate the design of optimised populations, with a focus on two Australian rainforest trees that are being impacted by myrtle rust infection: ....Optimising plant populations for ecological restoration and resilience. When choosing individual plants for restoration populations, there is potentially a trade-off between maximising genetic diversity (‘adaptability’) and selection for desirable properties (‘adaptation’). This project aims to develop pioneering methods to quantify this trade-off, and facilitate the design of optimised populations, with a focus on two Australian rainforest trees that are being impacted by myrtle rust infection: Rhodamnia argentea and Rhodamnia rubescens. By studying the genetic variation in each species, and how this relates to myrtle rust resistance and climate, this project aims to design populations that are genetically diverse, maximally resistant to myrtle rust, and adapted to future climate.Read moreRead less