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Synthesis and evaluation of labelled germination stimulants for determining the role of butenolide in promoting seed germination. The discovery of the germination promotive agent in smoke (a butenolide) represents a major and internationally significant scientific discovery for Australia and provides exciting opportunities for benefits in agriculture, natural lands management and restoration sciences. The activity demonstrated with a broad range of species shows that the butenolide has general a ....Synthesis and evaluation of labelled germination stimulants for determining the role of butenolide in promoting seed germination. The discovery of the germination promotive agent in smoke (a butenolide) represents a major and internationally significant scientific discovery for Australia and provides exciting opportunities for benefits in agriculture, natural lands management and restoration sciences. The activity demonstrated with a broad range of species shows that the butenolide has general applicability worldwide. This study now provides a unique opportunity for Australian research to establish a world-leading position in understanding the butenolide mode of action within plant seeds which will result in a significant advance in our understanding of the processes that regulate seed dormancy in many plant species. Read moreRead less
Discovery of the physiological and molecular modes of action of butenolides in promoting seed germination and vigour in plants. The Australian discovery of butenolides opens up a new scientific frontier and new opportunities for land management, plant conservation and agriculture. Butenolides will be used to promote seed germination and plant growth in land reclamation, in conservation of species, to break dormancy in weeds so that they can be eradicated, and to promote germination and vigour in ....Discovery of the physiological and molecular modes of action of butenolides in promoting seed germination and vigour in plants. The Australian discovery of butenolides opens up a new scientific frontier and new opportunities for land management, plant conservation and agriculture. Butenolides will be used to promote seed germination and plant growth in land reclamation, in conservation of species, to break dormancy in weeds so that they can be eradicated, and to promote germination and vigour in crops. Realising the full potential of butenolides demands that we understand how they work so that creative approaches can be developed that may not even require use of the chemical. Crucially by achieving these aims ahead of international competitors we can ensure that Australia gains maximum benefit.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE120103011
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
Plant adaptation to extreme environments: a transcriptomic approach for crop improvement. Native Australian plants have evolved to thrive under multiple environmental stresses such as drought, salinity, and severely nutrient impoverished soils that define the Australian biomes. This project will reveal genetic components consistently found in such species, literally opening a new gateway to greener pastures for Australian agriculture.
The Potential of the Fungicide Phosphite to Control the Autonomous Spread of Phytophthora cinnamomi in Natural and Rehabilitated Ecosystems. Phytophthora cinnamomi is recognised by the Federal Government as a key threatening process to Australia's biodiversity. This project will enhance the existing methodologies and protocols to improve the effectiveness and persistence of phosphite to reduce or contain the autonomous spread of this pathogen through susceptible and threatened plant communities. ....The Potential of the Fungicide Phosphite to Control the Autonomous Spread of Phytophthora cinnamomi in Natural and Rehabilitated Ecosystems. Phytophthora cinnamomi is recognised by the Federal Government as a key threatening process to Australia's biodiversity. This project will enhance the existing methodologies and protocols to improve the effectiveness and persistence of phosphite to reduce or contain the autonomous spread of this pathogen through susceptible and threatened plant communities. It will provide environmental, mining and land-care organisations with improved techniques to control P. cinnamomi in a range of plant communities and environments associated with mining and natural ecosystems.Read moreRead less
Enhancing native seed performance for minesite restoration and biodiversity conservation. The knowledge and practical outcomes generated from this project will facilitate more effective restoration of degraded native ecosystems through the return of a wider range of key understorey plant taxa and more efficient use of seed supplies. Availability of a broader suite of species will increase biodiversity, improve ecosystem resilience to change, and help in the conservation and recovery of nationall ....Enhancing native seed performance for minesite restoration and biodiversity conservation. The knowledge and practical outcomes generated from this project will facilitate more effective restoration of degraded native ecosystems through the return of a wider range of key understorey plant taxa and more efficient use of seed supplies. Availability of a broader suite of species will increase biodiversity, improve ecosystem resilience to change, and help in the conservation and recovery of nationally threatened taxa. By increasing the range of species with horticultural potential available for commercial propagation, it will also reduce the harvest of wild flowers. More efficient production and use of seed stocks will reduce the pressure on limited seed resources from seed harvesting.Read moreRead less
Susceptibility to Phytophthora cinnamomi and sensitivity to phosphorus in native Australian plants: why are they linked? Phytophthora cinnamomi is the cause of "Phytophthora dieback", recognised by the Federal Government as a major threat to Australia's biodiversity. This project will enhance our understanding of interactions between species belonging to two iconic Australian plant families (Proteaceae and Myrtaceae) and this serious threat. This understanding will underpin the development of ....Susceptibility to Phytophthora cinnamomi and sensitivity to phosphorus in native Australian plants: why are they linked? Phytophthora cinnamomi is the cause of "Phytophthora dieback", recognised by the Federal Government as a major threat to Australia's biodiversity. This project will enhance our understanding of interactions between species belonging to two iconic Australian plant families (Proteaceae and Myrtaceae) and this serious threat. This understanding will underpin the development of new chemicals to be used in combating the pathogen. In addition, it will provide molecular markers for phosphorus insensitivity and Phytophthora resistance that will be vital for Australia's horticultural industry as well as for the successful rehabilitation of minesites in areas suffering from "Phytophthora dieback". Read moreRead less
Investigation of the metabolism, molecular targets and environmental fate of the seed germination stimulant, butenolide. The potent germination stimulant, known as butenolide, is expected to provide substantial benefits for improving seed germination and seedling vigour of many plant species used in agriculture, land restoration and rehabilitation. Currently, little is known about the stability, persistence and distribution of the butenolide in natural environments and the mechanism of seed dorm ....Investigation of the metabolism, molecular targets and environmental fate of the seed germination stimulant, butenolide. The potent germination stimulant, known as butenolide, is expected to provide substantial benefits for improving seed germination and seedling vigour of many plant species used in agriculture, land restoration and rehabilitation. Currently, little is known about the stability, persistence and distribution of the butenolide in natural environments and the mechanism of seed dormancy breaking. This study now provides a unique opportunity for Australian research to establish a world-leading position in understanding the processes that regulate seed dormancy, particularly in relation to post-mining land rehabilitation. The research findings will also have wider application in plant conservation, weed control and crop production.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE130100073
Funder
Australian Research Council
Funding Amount
$280,000.00
Summary
High-throughput sample preparation robotics to enable emerging large-scale plant genomics, metabolomics and proteomics research. Discovering and breeding plants that are best suited for new environmental conditions requires the analysis of many samples to discover the underlying genes, metabolites and proteins. The project will build two robotic instruments that will facilitate the rapid grinding and extraction of plant tissues to facilitate these discoveries across Australia.
A novel role for phytochrome in dormancy release inhibition. Seed dormancy contributes to the persistence of weeds in agriculture by enabling seeds to remain viable in the soil for many years, and is a major reason why annual ryegrass (Lolium rigidum) has become the most economically damaging weed in Australian agriculture. Recently we discovered a new way to control dormancy release and germination in these seeds. This project to identify the changes occurring within the seeds during dormancy r ....A novel role for phytochrome in dormancy release inhibition. Seed dormancy contributes to the persistence of weeds in agriculture by enabling seeds to remain viable in the soil for many years, and is a major reason why annual ryegrass (Lolium rigidum) has become the most economically damaging weed in Australian agriculture. Recently we discovered a new way to control dormancy release and germination in these seeds. This project to identify the changes occurring within the seeds during dormancy release will underpin our efforts to manipulate emergence timing in order to improve the efficacy of current weed control practices and contribute to sustainable farming systems.Read moreRead less
Eucalyptus gomphocephela (tuart) decline in Western Australia. The decline and death of tuart forest in Western Australia is spectacular, widespread and a significant threat to biodiversity. There is widespread concern and political pressure because of diverse landuse pressures, yet it remains poorly understood and no remedial action is available. This project will attempt to determine the causes by examining predisposing factors (hydrological, salinity, nutrition, fire) and their interaction wi ....Eucalyptus gomphocephela (tuart) decline in Western Australia. The decline and death of tuart forest in Western Australia is spectacular, widespread and a significant threat to biodiversity. There is widespread concern and political pressure because of diverse landuse pressures, yet it remains poorly understood and no remedial action is available. This project will attempt to determine the causes by examining predisposing factors (hydrological, salinity, nutrition, fire) and their interaction with pests and diseases, and the remedial actions necessary. On the basis of these results, propose an action plan so land managers and community groups can arrest and reverse tuart decline.Read moreRead less