Letteratura scientifica selezionata sul tema "Phytophthora cinnamomi diseases Western Australia"

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Articoli di riviste sul tema "Phytophthora cinnamomi diseases Western Australia"

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Moore, Nicole, Sarah Barrett, Kay Howard, Michael D. Craig, Barbara Bowen, Bryan Shearer, and Giles Hardy. "Time since fire and average fire interval are the best predictors of Phytophthora cinnamomi activity in heathlands of south-western Australia." Australian Journal of Botany 62, no. 7 (2014): 587. http://dx.doi.org/10.1071/bt14188.

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Abstract (sommario):
Fires are features of ecological communities in much of Australia; however, very little is still known about the potential impact of fire on plant diseases in the natural environment. Phytophthora cinnamomi is an introduced soil-borne plant pathogen with a wide host range, affecting a large proportion of native plant species in Australia and other regions of the world, but its interaction with fire is poorly understood. An investigation of the effects of fire on P. cinnamomi activity was undertaken in the Stirling Range National Park of south-western Australia, where fire is used as a manageme
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2

Shearer, BL, and M. Dillon. "Impact and Disease Centre Characteristics of Phytophthora cinnamomi Infestations of Banksia Woodlands on the Swan Coastal Plain, Western Australia." Australian Journal of Botany 44, no. 1 (1996): 79. http://dx.doi.org/10.1071/bt9960079.

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Abstract (sommario):
Phytophthora cinnamomi Rands was isolated from either dead plants or soil at 46 disease centres in Banksia woodland at national parks and reserves on the Swan Coastal Plain. Phytophthora cryptogea Pethybridge & Lafferty was also isolated from roots of dead Acacia pulchella R.Br. in one disease centre infected with P. cinnamomi. Dead plants were infected with Armillaria luteobubalina Watling & Kile in four disease centres on the Spearwood Dune System, and these centres were excluded from further analysis. Phytophthora cinnamomi diseased areas ranged from 0.01 to 30 ha in size (mean 1.6
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Wilson, Barbara A., Katherine Zdunic, Janine Kinloch, and Graeme Behn. "Use of remote sensing to map occurrence and spread of Phytophthora cinnamomi in Banksia woodlands on the Gnangara Groundwater System, Western Australia." Australian Journal of Botany 60, no. 6 (2012): 495. http://dx.doi.org/10.1071/bt11305.

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Abstract (sommario):
The soilborne plant pathogen Phytophthora cinnamomi is listed as one of the world’s 100 worst invasive alien species by the International Union for Conservation of Nature (IUCN). The impacts on native flora and fauna habitats have been identified as a key threatening process in Australia. Identifying and mapping diseased vegetation and the rate of spread of the disease is required for management; however, this is often difficult and costly. This study investigated the ability of using a time series of orthophotos (1953–2008) in combination with Landsat satellite imagery, including trend analys
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Jung, T., and G. Dobler. "First Report of Littleleaf Disease Caused by Phytophthora cinnamomi on Pinus occidentalis in the Dominican Republic." Plant Disease 86, no. 11 (November 2002): 1275. http://dx.doi.org/10.1094/pdis.2002.86.11.1275c.

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Pinus occidentalis Sw. is an endemic species of the Caribbean island of Hispaniola (Dominican Republic and Haiti). It shows an extreme ecological plasticity and grows on a wide range of soil types from 0 to 3,175 m in elevation with annual mean temperatures ranging from 6 to 25°C and annual precipitation of 800 to 2,300 mm. P. occidentalis is a major component of forests above 800 m in elevation and forms pure climax forests above 2,000 m (4). For more than 10 years, stands of P. occidentalis in the Sierra (Cordillera Central) growing on a wide range of site conditions have suffered from a ser
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McDougall, K. L., G. E. St J. Hardy, and R. J. Hobbs. "Additions to the host range of Phytophthora cinnamomi in the jarrah (Eucalyptus marginata) forest of Western Australia." Australian Journal of Botany 49, no. 2 (2001): 193. http://dx.doi.org/10.1071/bt99028.

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Abstract (sommario):
Pathogenicity tests with Phytophthora cinnamomi were conducted on 25 perennial species from the jarrah (Eucalyptus marginata) forest of Western Australia. Most species tested had been found in a separate study to be scarce on sites affected by Phytophthora cinnamomi but frequently found in unaffected vegetation. Some species that were known to be field-tolerant of P. cinnamomi and some that were highly susceptible to infection were included in the study for comparison. Phytophthora cinnamomi was recorded from 13 of 17 species not previously known to be susceptible. Phytophthora cinnamomi was s
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Hart, R. M., D. Keast, and G. Smythe. "Metabolic stability of Phytophthora cinnamomi Rands in Western Australia." Canadian Journal of Microbiology 32, no. 10 (October 1, 1986): 820–22. http://dx.doi.org/10.1139/m86-150.

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Abstract (sommario):
Ten isolates of Phytophthora cinnamomi Rands from Western Australia were tested for metabolic variation using a commercial miniaturized biochemical system developed for bacteriology. The isolates included the two mating strains, and had been maintained in the laboratory for various times. The isolates were tested before and after repeated passaging on solid media. Statistical analysis of the biochemical results showed no major differences between the isolates, and for the most part they appear to be stable in cultivation. However, there were small passage effects on some of the media, particul
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McDougall, K. L., R. J. Hobbs, and G. E. St J. Hardy. "Distribution of understorey species in forest affected by Phytophthora cinnamomi in south-western Western Australia." Australian Journal of Botany 53, no. 8 (2005): 813. http://dx.doi.org/10.1071/bt04203.

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Abstract (sommario):
The introduced soil-borne pathogen Phytophthora cinnamomi Rands infects and kills a large number of species in the jarrah (Eucalyptus marginata Donn. ex Smith) forest of Western Australia, causing great floristic and structural change. Many of the floristic changes can be explained simply by the known susceptibility of species to infection. Some common species, however, are rarely found at infested sites but are thought to be resistant to infection. It has been postulated that such species may be affected by the change in habitat caused by the death of trees, and not by P. cinnamomi directly.
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Shearer, B. L., C. E. Crane, and A. Cochrane. "Quantification of the susceptibility of the native flora of the South-West Botanical Province, Western Australia, to Phytophthora cinnamomi." Australian Journal of Botany 52, no. 4 (2004): 435. http://dx.doi.org/10.1071/bt03131.

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Abstract (sommario):
This study compares, for the first time, variation in estimates of susceptibility of native flora to Phytophthora cinnamomi Rands among four databases and proposes an estimate of the proportion of the flora of the South-West Botanical Province of Western Australia that is susceptible to the pathogen. Estimates of the susceptibility of south-western native flora to P. cinnamomi infection were obtained from databases for Banksia woodland of the Swan Coastal Plain, jarrah (Eucalyptus marginata Donn. ex Smith) forest, the Stirling Range National Park and Rare and Threatened Flora of Western Austra
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Boersma, J. G., D. E. L. Cooke, and K. Sivasithamparam. "A survey of wildflower farms in the south-west of Western Australia for Phytophthora spp. associated with root rots." Australian Journal of Experimental Agriculture 40, no. 7 (2000): 1011. http://dx.doi.org/10.1071/ea00013.

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Abstract (sommario):
A survey of wildflower farms in the south west of Western Australia, was conducted during spring of 1997 and autumn 1998 to determine the prevalence of Phytophthora infestations. Thirty-seven randomly selected farms ranging in size from 0.5 to =30 ha were visited. The main crop plants grown included species of Banksia, Boronia, Chamelaucium, Conospermum, Eucalyptus, Protea, and Leucadendron. Eighteen sites were found to have infestations of Phytophthora. Of these, 14 sites had P. cinnamomi, and 2 sites had P. cryptogea. P. cactorum, P. citricola and P. nicotianae were each found at only single
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Tynan, K. M., C. J. Wilkinson, J. M. Holmes, B. Dell, I. J. Colquhoun, J. A. McComb, and G. E. St J. Hardy. "The long-term ability of phosphite to control Phytophthora cinnamomi in two native plant communities of Western Australia." Australian Journal of Botany 49, no. 6 (2001): 761. http://dx.doi.org/10.1071/bt00062.

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Abstract (sommario):
This study examined the ability of foliar applications of the fungicide phosphite to contain colonisation of Phytophthora cinnamomi in a range of plant species growing in natural plant communities in the northern sandplain and jarrah (Eucalyptus marginata) forest of south-western Australia. Wound inoculation of plant stems with P. cinnamomi was used to determine the efficacy of phosphite over time after application. Colonisation by P. cinnamomi was reduced for 5–24 months after phosphite was applied, depending on the concentration of phosphite used, plant species treated and the time of phosph
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Tesi sul tema "Phytophthora cinnamomi diseases Western Australia"

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Lucas, Anne. "Water stress and disease development in Eucalyptus marginata (jarrah) infected with Phytophthora cinnamomi." Thesis, Lucas, Anne (2003) Water stress and disease development in Eucalyptus marginata (jarrah) infected with Phytophthora cinnamomi. PhD thesis, Murdoch University, 2003. https://researchrepository.murdoch.edu.au/id/eprint/167/.

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Abstract (sommario):
The south-west of Western Australia has a Mediterranean climate and flora endemic to this area, including the keystone species, jarrah (Eucalyptus marginata), have adapted to the droughted summer conditions. The introduction of an exotic soil borne pathogen, Phytophthora cinnamomi, has challenged the survival of this and many other species. The expectation might be that plants stressed by drought are more susceptible to disease and this study examined the development of disease caused by P. cinnamomi in E. marginata and the significance of water status to that development. Seedlings of E. m
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Lucas, Anne. "Water stress and disease development in Eucalyptus marginata (jarrah) infected with Phytophthora cinnamomi." Murdoch University, 2003. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20040820.13290.

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O'Gara, Emer. "Infection and disease of Eucalyptus marginata (jarrah), caused by Phytophthora cinnamomi in rehabilitated bauxite mines in the south-west of Western Australia." Thesis, O'Gara, Emer (1998) Infection and disease of Eucalyptus marginata (jarrah), caused by Phytophthora cinnamomi in rehabilitated bauxite mines in the south-west of Western Australia. PhD thesis, Murdoch University, 1998. https://researchrepository.murdoch.edu.au/id/eprint/52658/.

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Abstract (sommario):
In a survey of rehabilitated bauxite mines m south-west Western Australia, Phytophthora cinnamomi was isolated from the collar, but not from the root system of dead and dying Eucalyptus marginata Garrah) seedlings. Surface water ponding occurs in rehabilitated mines from autumn through to spring, and infected collars were commonly associated with ponding. This suggested that P. cinnamomi infects seedlings directly through periderm at the collar. The objective of this project was to ascertain whether infection by P. cinnamomi through periderm was possible, to study the disease in seedlings infe
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Dunne, Christopher Philip. "Control of Sudden Death in Cultivated Proteas from the Southwest of Western Australia." Murdoch University, 2004. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20041207.140807.

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Abstract (sommario):
Phytophthora cinnamomi Rands is a common and devastating pathogen of cultivated proteas worldwide. Webb (1997) described a Sudden Death plant disease of proteas in Western Australia (WA) protea plantations. Proteas that suffer the syndrome display symptoms such as stunted growth, wilting, chlorosis and often death. In the current study, a number of protea plantations in the southwest of WA were visited to quantify the extent that P. cinnamomi was attributing to deaths of cultivated proteas. The survey indicated that P. cinnamomi is the major cause of Sudden Death in proteas. A range of ot
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Dunne, Christopher P. "Control of sudden death in cultivated proteas from the Southwest of Western Australia /." Access via Murdoch University Digital Theses Project, 2004. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20041207.140807.

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Simmons, Donna. "The impact of Phytophthora cinnamomi on reptile communities in banksia woodlands of Western Australia." Thesis, Simmons, Donna (2011) The impact of Phytophthora cinnamomi on reptile communities in banksia woodlands of Western Australia. Honours thesis, Murdoch University, 2011. https://researchrepository.murdoch.edu.au/id/eprint/32587/.

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au, D. Huberli@murdoch edu, and Daniel Huberli. "Phenotypic variation of two localised populations of Phytophthora cinnamomi from Western Australia and how they impact on Eucalyptus marginata resistance." Murdoch University, 2001. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20070827.91902.

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Abstract (sommario):
Phytophthora cinnamomi is an introduced soilborne phytopathogen to Western Australia (WA) and impacts on 2000 of the approximately 9000 plant species indigenous in the southwest of WA. Amongst these is Eucalyptus marginata (jarrah), the dominant and economically important hardwood timber species of the jarrah forest. This thesis aimed to investigate the morphological, pathogenic and genotypic variation in two local WA populations of P. cinnamomi isolates. The populations were selected from areas where jarrah clonal lines selected for resistance to P. cinnamomi may be used in the rehabilitation
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Daniel, Rosalie, and mikewood@deakin edu au. "Aspects of the interaction between Xanthorrhoea australis and Phytophthora cinnamomi in south-western Victoria, Australia." Deakin University. School of Biological and Chemical Sciences, 2002. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20051201.144848.

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Abstract (sommario):
Diseases in natural ecosystems are often assumed to be less severe than those observed in domestic cropping systems due to the extensive biodiversity exhibited in wild vegetation communities. In Australia, it is this natural biodiversity that is now under threat from Phytophthora cinnamomi. The soilborne Oomycete causes severe decline of native vegetation communities in south-western Victoria, Australia, disrupting the ecological balance of native forest and heathland communities. While the effect of disease caused by P. cinnamomi on native vegetation communities in Victoria has been extensive
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Li, Andrew. "Role of feral pig (Sus scrofa) in the dissemination of Phytophthora cinnamomi in South-western Australia." Thesis, Li, Andrew (2012) Role of feral pig (Sus scrofa) in the dissemination of Phytophthora cinnamomi in South-western Australia. PhD thesis, Murdoch University, 2012. https://researchrepository.murdoch.edu.au/id/eprint/9801/.

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Abstract (sommario):
Phytophthora cinnamomi is a soil-borne plant pathogen that causes dieback, a disease that devastates many native vegetation ecosystems in Australia, particularly in south-west Western Australia. Feral pigs have long been implicated as vectors in the spread of this introduced plant pathogen due to their contact with infested soil and foraging habits. This study aimed to investigate the potential for feral pigs to disseminate P. cinnamomi and to determine their role in the spread of dieback. Feral pigs trapped in three sampling areas within the northern jarrah (Eucalyptus marginata) forest o
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Dundas, Shannon. "Utilisation of Phytophthora cinnamomi affected habitats by honey possums (Tarsipes rostratus) in the Cape Riche area, Western Australia." Thesis, Dundas, Shannon (2008) Utilisation of Phytophthora cinnamomi affected habitats by honey possums (Tarsipes rostratus) in the Cape Riche area, Western Australia. Honours thesis, Murdoch University, 2008. https://researchrepository.murdoch.edu.au/id/eprint/15328/.

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Abstract (sommario):
This study investigated how the presence of the plant pathogen Phytophthora cinnamomi in vegetation assemblages impacts on habitat utilisation by the honey possum (Tarsipes rostratus). The study took place in coastal heathlands at Cape Riche, Western Australia, between January 2007 and November 2007. Honey possums were radio tracked through an area affected with P. cinnamomi as well as healthy areas to determine the extent to which habitat utilisation is impacted on. This will then allow for a more robust prediction of how further spread of P. cinnamomi is likely to impact on honey possums in
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Libri sul tema "Phytophthora cinnamomi diseases Western Australia"

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Shearer, B. L. Jarrah dieback: The dynamics and management of Phytophthora cinnamomi in the jarrah (Eucalyptus marginata) forest of south-western Australia. Como, W.A: Dept. of Conservation and Land Management, 1989.

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2

Gardner, J. H. Phytophthora cinnamomi in operational and rehabilitated bauxite mine areas in south-western Australia. S.l: s.n, 1987.

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Capitoli di libri sul tema "Phytophthora cinnamomi diseases Western Australia"

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del Pilar Rodríguez Guzmán, María. "Soil Biodiversity and Root Pathogens in Agroecosystems." In Biodiversity of Ecosystems [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99317.

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Abstract (sommario):
Soil ecosystem is a living and dynamic environment, habitat of thousands of microbial species, animal organisms and plant roots, integrated all of them in the food webs, and performing vital functions like organic matter decomposition and nutrient cycling; soil is also where plant roots productivity represent the main and first trophic level (producers), the beginning of the soil food web and of thousands of biological interactions. Agroecosystems are modified ecosystems by man in which plant, animal and microorganisms biodiversity has been altered, and sometimes decreased to a minimum number of species. Plant diseases, including root diseases caused by soil-borne plant pathogens are important threats to crop yield and they causes relevant economic losses. Soil-borne plant pathogens and the diseases they produce can cause huge losses and even social and environmental changes, for instance the Irish famine caused by Phytophthora infestans (1845–1853), or the harmful ecological alterations in the jarrah forests of Western Australia affected by Phytophthora cinnamomi in the last 100 years. How can a root pathogen species increase its populations densities at epidemic levels? In wild ecosystems usually we expect the soil biodiversity (microbiome, nematodes, mycorrhiza, protozoa, worms, etc.) through the trophic webs and different interactions between soil species, are going to regulate each other and the pathogens populations, avoiding disease outbreaks. In agroecosystems where plant diseases and epidemics are frequent and destructive, soil-borne plant pathogens has been managed applying different strategies: chemical, cultural, biological agents and others; however so far, there is not enough knowledge about how important is soil biodiversity, mainly microbiome diversity and soil food webs structure and function in the management of root pathogens, in root and plant health, in healthy food production, and maybe more relevant in the conservation of soil as a natural resource and derived from it, the ecosystem services important for life in our planet.
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