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Dissertations / Theses on the topic 'Eucalyptus – Diseases and pests – Australia'

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Published: 4 June 2021

Last updated: 27 July 2025

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1

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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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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2

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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3

Lombard, Lorenzo. "Fungal diseases in Eucalyptus and Acacia nurseries in South Africa." Diss., University of Pretoria, 2004. http://hdl.handle.net/2263/24484.

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Studies presented in this dissertation highlight the importance of fungal pathogens in forestry nurseries in South Africa. Both Acacia meamsii seedlings and Eucalyptus hybrid cuttings are shown to be affected by important nursery pathogens. Chapter one presents an evaluation of the potential importance of pathogens to Eucalyptus hedge plants maintained in hydroponics. Hydroponics is a new technology being used in South African forest nurseries, which allows for the rapid establishment of Eucalyptus hedge plants. However, no information is available on pathogens affecting Eucalyptus in hydropon

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4

Dennis, Jeremy Ian. "Chocolate spot of faba beans in South Australia." Title page, contents and summary only, 1991. http://web4.library.adelaide.edu.au/theses/09A/09ad411pdf.pdf.

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Bibliography: leaves 81-100. Entry of inoculum into a crop and disease development in the crop cannot be prevented because spores are airborne and there is a lack of highly resistant varieties. This makes complete control of chocolate spot unlikely. It should however, be possible to improve current levels of disease control through the integration of the factors identified in the study.

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5

Rodas, Pelaez C. A. (Carlos Alberto). "Important pests and diseases of plantation grown Pinus and Eucalyptus in Colombia and their control." Thesis, University of Pretoria, 2013. http://hdl.handle.net/2263/32968.

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Colombia covers an area of approximately 114 million hectares (ha) of which the potential forestly land has been estimated at 60.7 million ha, about 53% of the total area. Only 54 million ha are considered as natural forest, leaving approximately 29 million ha to be used for livestock and agriculture. In order to provide an alternative source of timber, Colombian groups have planted approximately 327 000 ha to different species of Pinus, Eucalyptus and native species. This clearly represents only a small proportion of the total area that might be used for forestry, which is set to grow

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6

Ferguson, Kaye. "The biology, ecology and management of the Quandong moth, Paraepermenia santaliella (Lepidoptera: Epermeniidae)." Title page, contents and summary only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phf3523.pdf.

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Includes bibliographical references (leaves 217-230). Details the biology and life history of the Quandong moth and investigates management strategies that would enable growers to manage the pest in an economically and environmentally sustainable program.

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7

White, John Gordon. "Control of rodent damage in Australian macadamia orchard systems." Thesis, Queensland University of Technology, 1999.

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8

Wang, Shuo. "The breakdown of lambda-cyhalothrin in an Australian cotton production system." Thesis, The University of Sydney, 1994. https://hdl.handle.net/2123/26663.

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Laboratory investigations on the dissipation of lambda-cyhalothrin in cotton-growing soil indicated that this insecticide dissipated according to first order kinetics, with a half-life ranging from 15.1 days to 37.0 days depending on different soil water content. The greater the soil water content, the shorter the half-life. This effect was more apparent when soil changed from moist soil (soil water content 30% - 90%) to soil slurry (soil water content 200% - 400%). From sterile and non-sterile treatments, it was evident that microorganisms contributed a measurable proportion to the dissipa

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9

Bhoora, Raksha. "Molecular characterisation of Eucalyptus grandis PGIP." Diss., University of Pretoria, 2003. http://hdl.handle.net/2263/24370.

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Coniothyrium zuluense is the causal agent of a serious Eucalyptus stem canker disease in South Africa (Wingfield et al., 1997). Eucalypts are the most important hardwood plantations in the world, and in South Africa these hardwoods occupy approximately 1.5 million hectares of plantation area, an area that is soon to be increased by an additional 600 000 hectares. As exotics, Eucalyptus plantations are constantly exposed to infection by fungal pathogens such as C. zuluense, which by secreting cell-¬wall degrading enzymes contribute to the degradation of plant cell walls and subsequent reduction

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10

Evans, Katherine J. "Characterization of Uncinula necator, the grapevine powdery mildew fungus." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phe924.pdf.

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Bibliography: leaves 148-166. This study identifies genetic variation in Australian Uncinula necator populations. Techniques were developed for molecular and phenotypic markers for U. necator. Mating types of Australian clonal lines were identified and viable cleistothecia and infective ascospores were produced in vitro. The study establishes the foundation for investigating the population biology of U. necator, by identifying two distinct genetic groups, A and B, and micro-geographical variation among 35 clonal lines from various Australian viticultural regions.

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11

Wellings, Colin Ross. "Host: pathogen studies of wheat stripe rust in Australia." Thesis, Department of Agricultural Genetics and Biometry, 1986. http://hdl.handle.net/2123/14544.

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12

Khan, Muhammad Shahid Akhtar. "Epidemiology of ascochyta blight of chickpea in Australia." Title page, contents and summary only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phk4455.pdf.

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Bibliography: leaves 182-217. This study was conducted to determine the etiology of a blight disease of chickpea in south-eastern Australia and the factors affecting disease development. The disease had previously been identified as phoma blight. Pathogenicity testing revealed two isolates subsequently identified as Asochyta rabiei, the first conclusive identification in the southern hemisphere. Greenhouse screening of chickpea varieties identified types resistant to ascochyta blight. The effects of plant age and environmental conditions on disease development were investigated under controlle

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13

Nicol, Julie. "The distribution, pathogenicity and population dynamics of Pratylenchus thornei on wheat in South Australia." Title page, contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phn634.pdf.

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Bibliography: leaves 224-236. The study aimed to determine the distribution of both P. thornei and P. neglectus in South Australia. Also to study the field and laboratory population dynamics of P. thornei in relation to wheat yields, to determine its host range on a variety of cereal and non-leguminous hosts and to identify possible sources of nematode resistant wheat cultivars/varieties. Preliminary experiments studied the involvement of root rotting fungi with the nematode in wheat disease.

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14

Persley, Denis Michael. "Identification, epidemiology and control of Papaya ringspot virus, recently recorded in papaya (Caricus papaya) in Australia." Thesis, Queensland University of Technology, 1997. https://eprints.qut.edu.au/36937/1/36937_Persley_1997.pdf.

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Papaya (Carica papaya), originating in South America, is widely-grown throughout the tropical and sub-tropical regions of the world. The popularity and versatility of the fruit and commercial uses of papain obtained from papaya latex have made the crop an important component of cropping systems in many developing countries where 98% of production is centred. Papaya ringspot virus (PRSV) is the major limiting factor to papaya production in many countries, particularly those in SouthEast Asia and South America. Papaya ringspot disease was first detected in Queensland in 1991, with several comme

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15

Balali-Dehkordi, Gholam Reza. "Genetic variation of Rhizoctonia solani AG-3 in South Australia." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phb171.pdf.

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Three pages of addenda pasted inside back cover. Bibliography: leaves 166-189. Rhizoctonia solani is a complex species comprising morphologically basidiomycetous imperfect fungi. This study aimed to determine genetic diversity within R. solani AG-3 causing rhizoctonia disease of potato in South Australia. For this purpose, pectic zymogram, PCR, DNA fingerprinting and RFLP techniques were used in conjunction with traditional plant pathology procedures.

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16

Frost, William E. "The ecology of cereal rust mite Abacarus hystrix (Nalepa) in irrigated perennial dairy pastures in South Australia /." Title page, contents and summary only, 1995. http://web4.library.adelaide.edu.au/theses/09PH/09phf9398.pdf.

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17

Akiew, E. B. "Potato diseases in South Australia : studies in leafroll, early blight and bacterial wilt /." Title page, contents and summary only, 1985. http://web4.library.adelaide.edu.au/theses/09PH/09pha315.pdf.

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18

Hossain, Mohammad Abul. "Powdery mildew on barley : pathogen variability in South Australia : resistance genes in cv. Galleon /." Title page, contents and abstract only, 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phh8287.pdf.

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19

Yakop, Uyek Malik. "Resistance of faba beans to Ascochyta blight." Title page, contents and summary only, 1998. http://web4.library.adelaide.edu.au/theses/09APSM/09apsmy15.pdf.

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Bibliography: leaves 111-120. This study investigated various aspects of genetic resistance in fava beans to Ascochta blight (A. fabae) with the objective to facilitate an efficient breeding strategy for long-term control. Pathogenic variability of A. fabae was found to be high, as was genetic variation between resistant fava bean accessions. A number of alternative resistance genes to that of Ascot cultivar were identified.

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20

Constable, Fiona Elizabeth. "Biology and epidemiology of Australian grapevine phytoplasmas." Title page, contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phc756.pdf.

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21

Taheri, Abdolhossein. "Interaction between root lesion nematode, Pratylenchus neglectus, and root-rotting fungi of wheat." Title page, contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09pht128.pdf.

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Bibliography: leaves 307-329. This study concludes that in soils in South Australia where root-rotting fungi and P. neglectus exist together, root disease of wheat is caused by their combined effect. Evidence suggests that P. neglectus not only contributes to this interaction through mechanical wounding of roots, but also causes biochemical and physiological changes in plants, making them more prone to fungal infection.

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22

Williams, Mia Gabrielle. "Impact of environmental conditions on the infection behaviour of Western Australian strains of Plasmopara viticola, causal agent of downy mildew in grapevines." University of Western Australia. Soil Science and Plant Nutrition Discipline Group, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0035.

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Downy mildew, caused by the biotrophic Oomycete Plasmopara viticola, is one of the most important diseases of grapevines world wide. It is particularly destructive in temperate viticultural regions that experience warm wet conditions during the vegetative growth of the vine (Wong et al., 2001). The disease is not normally a problem in mediterranean climates where the growing season tends to be hot and dry (Mullins et al., 1992; Sivasithamparam, 1993). Grape downy mildew is however a major disease in Australian viticulture (McLean et al., 1984; Magarey et al., 1991). Grape downy mildew was firs

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23

Lines, Rosemarie. "Development of virus resistant papaya in Australia and Vietnam." Thesis, Queensland University of Technology, 2002.

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24

Moore, Judy A. "Biological control of the eucalypt borers, Phoracantha semipunctata (Fabricius) and P. recurva Newman (Coleoptera: Cerambycidae) in South Africa." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53310.

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Thesis (MSc)--Stellenbosch University, 2003.<br>Full text to be digitised and attached to bibliographic record.<br>ENGLISH ABSTRACT: The losses incurred to by the South African hardwood industry because of damage caused by the larvae of the Australian eucalyptus borers Phoracantha semipunctata (Fabricius) and P. recurva Newman (Coleoptera: Cerambycidae) were countered by the introduction of various biological control agents. Megalyra fasciipennis Westwood (Hymenoptera: Ichneumonidae), restricted to the southwestern Cape for nearly 91 years after its probable establishment in 1910, is a sp

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25

Huang, Chunyuan. "Mechanisms of Mn efficiency in barley." 1996, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phh8739.pdf.

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Bibliography: leaves 131-153. This thesis investigates the mechanisms of manganese (Mn) efficiency (genetic tolerance to Mn-deficient soils) in barley (Hordeum vulgare L.) at both physiological and molecular levels.

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26

Geering, Andrew D. W. "The epidemiology of cucumber mosaic virus in narrow-leafed lupins (Lupinus angustifolius) in South Australia." Title page, table of contents and summary only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phg298.pdf.

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27

Yan, Jwo-Yee. "Studies on the behaviour of males of California red scale Aonidiella aurantii (Maskell)." Title page, contents and summary only, 1985. http://web4.library.adelaide.edu.au/theses/09A/09ay21.pdf.

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28

Marte, Susan Plantier. "Fruit-tree borer (Maroga melanostigma) : investigations on its biological control in prune trees." Thesis, View thesis, 2007. http://handle.uws.edu.au:8081/1959.7/31976.

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Fruit-tree borer, Maroga melanostigma (Wallengren), is a native Australian pest in many species of trees. It is of particular economic importance in prune (Prunus domestica) trees because the presence of this wood boring insect can reduce productivity by an average of 5% per tree. Large areas of orchards can be affected. There are currently no chemicals registered for control of this pest. Young, New South Wales is the second largest prune-growing district in Australia and the area most seriously affected by M. melanostigma. Prune growers in the district utilise integrated pest management and

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29

Landsberg, Jennifer Jill. "Dieback of rural eucalypts : dietary quality of foliage and insect herbivory." Phd thesis, 1986. http://hdl.handle.net/1885/143177.

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30

Head, Elise. "Ecology of the Fergusonina fly and Fergusobia nematode gall association in South Australia." Thesis, 2008. http://hdl.handle.net/2440/48390.

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Attempts were made to grow Fergusobia nematodes in a dual aseptic culture with Eucalyptus camaldulensis. Callus tissue was grown from E. camaldulensis stem pieces in aseptic conditions. Calli were prone to deterioration after 14 days unless transferred to fresh growth medium. Lower levels of solutes (25% Murashige and Skoog salts, 25% plant vitamins and 0.5% sucrose) were more successful than published concentrations. Fergusobia J2 nematodes were surface sterilised with either Hibitane or washed with water to prepare them for inoculation of callus (Hay, 1994). Fergusobia subsequently recover

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31

Head, Elise. "Ecology of the Fergusonina fly and Fergusobia nematode gall association in South Australia." 2008. http://hdl.handle.net/2440/48390.

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Attempts were made to grow Fergusobia nematodes in a dual aseptic culture with Eucalyptus camaldulensis. Callus tissue was grown from E. camaldulensis stem pieces in aseptic conditions. Calli were prone to deterioration after 14 days unless transferred to fresh growth medium. Lower levels of solutes (25% Murashige and Skoog salts, 25% plant vitamins and 0.5% sucrose) were more successful than published concentrations. Fergusobia J2 nematodes were surface sterilised with either Hibitane or washed with water to prepare them for inoculation of callus (Hay, 1994). Fergusobia subsequently recovered

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32

Farr, Janet Dawn. "The performance of Uraba lugens Walker (Lepidoptera : nolidae) in relation to nitrogen and phenolics in its food." Thesis, 1985. http://hdl.handle.net/2440/20376.

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33

Farr, Janet Dawn. "The performance of `Uraba lugens` Walker (Lepidoptera : nolidae) in relation to nitrogen and phenolics in its food / by Janet Dawn Farr." 1985. http://hdl.handle.net/2440/20376.

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Bibliography: leaves 137-167<br>viii, 189 leaves, [31] leaves of plates : ill. (some col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Entomology, Waite Agricultural Research Institute, 1986

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34

Rozario, Shelley Anastacia. "Population ecology of leafhoppers (Hemiptera: Eurymelidae) on eucalypts and their associations with ants." Master's thesis, 1989. http://hdl.handle.net/1885/142284.

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35

Hall, Aidan A. "Ecology and evolution of Cardiaspina psyllids, their bacterial endosymbionts and parasitoid wasps." Thesis, 2016. http://hdl.handle.net/1959.7/uws:37930.

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Identifying, classifying and ranking the major factors and processes influencing population dynamics and community structure of animals are the greatest challenges of ecological research. Examples of these factors and processes are climate, competition, resource limitation, natural enemies and symbionts. Cardiaspina (Hemiptera: Aphalaridae) are psyllids that specifically feed on Eucalyptus and are well known for experiencing major population outbreaks that can result in area-wide defoliation. An outbreak of a Cardiaspina sp. of uncertain species assignment on Eucalyptus moluccana (Grey Box) in

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36

Rodas, Pelaez C. A. (Carlos Alberto). "Diseases of Eucalyptus in Colombia." Diss., 2003. http://hdl.handle.net/2263/27751.

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37

Dennis, Jeremy Ian. "Chocolate spot of faba beans in South Australia." Thesis, 1991. http://hdl.handle.net/2440/109036.

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Entry of inoculum into a crop and disease development in the crop cannot be prevented because spores are airborne and there is a lack of highly resistant varieties. This makes complete control of chocolate spot unlikely. It should however, be possible to improve current levels of disease control through the integration of the factors identified in the study<br>Thesis (M.Ag.Sc.) -- University of Adelaide, Departments of Plant Science and Crop Protection, 1991

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38

Vranjic, John Anton. "Whole plant responses of eucalypt seedlings to infestation by scale insects." Phd thesis, 1993. http://hdl.handle.net/1885/140631.

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39

Horan, Don. "The infection process in eucalypt mycorrhizas." Phd thesis, 1991. http://hdl.handle.net/1885/142468.

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40

Mohali, Castillo Sari Ramon. "Taxonomy and ecology of Botryosphaeria species and their anamorphs from Venezuela." Thesis, 2006. http://upetd.up.ac.za/thesis/available/etd-08192008-093304.

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41

Tynan, K. M. (Kim Michelle). "Evaluation of Banksia species for response to Phytophthora infection." 1994. http://web4.library.adelaide.edu.au/theses/09PH/09pht987.pdf.

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42

Ahumada, Rodrigo. "Pathogens in commercial Eucalyptus plantations in Chile, with special reference to Mycosphaerella and Botryosphaeria species." Diss., 2003. http://hdl.handle.net/2263/25928.

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43

Ferguson, Kaye. "The biology, ecology and management of the Quandong moth, Paraepermenia santaliella (Lepidoptera: Epermeniidae) / by Kaye Louisa Ferguson." Thesis, 2001. http://hdl.handle.net/2440/21957.

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Includes bibliographical references (leaves 217-230).<br>230 leaves : ill. (some col.) ; 30 cm.<br>Details the biology and life history of the Quandong moth and investigates management strategies that would enable growers to manage the pest in an economically and environmentally sustainable program.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Applied and Molecular Ecology, 2001

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44

Li, HX. "Phytochemistry of Eucalyptus spp. and its role in insect-host-tree selection." Thesis, 1994. https://eprints.utas.edu.au/211/27/Li_whole_thesis.pdf.

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Leaf oils and waxes of 29 native Tasmanian Eucalyptus species were studied from primarily a taxonomic aspect and their effects on insect-plant selection were evaluated. E. nitens, an important introduced pulpwood species that is not indigenous to Tasmania was also investigated in detail. The chemical compositions of leaf oils and waxes of both juvenile and adult leaf samples of each species were examined by GC-MS. Results indicated that the distribution of both oil and wax components within Tasmanian eucalypts and their relative proportions between subgenera and species have taxonomic impo

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45

Barr, Andrew R. (Andrew Robert). "Strategies for the control of the foliar diseases of oats in South Australia." 1994. http://web4.library.adelaide.edu.au/theses/09PH/09phb268.pdf.

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46

Evans, Katherine J. "Characterization of Uncinula necator, the grapevine powdery mildew fungus / Katherine J. Evans." Thesis, 1996. http://hdl.handle.net/2440/18727.

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Bibliography: leaves 148-166.<br>vi, 169, [4] leaves, [20] leaves of plates : ill. (some col.) ; 30 cm.<br>This study identifies genetic variation in Australian Uncinula necator populations. Techniques were developed for molecular and phenotypic markers for U. necator. Mating types of Australian clonal lines were identified and viable cleistothecia and infective ascospores were produced in vitro. The study establishes the foundation for investigating the population biology of U. necator, by identifying two distinct genetic groups, A and B, and micro-geographical variation among 35 clonal lines

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47

Mireku, Emmanuel. "Responses of the living sapwood of Eucalyptus maculata Hook. to wounding and infection." Phd thesis, 1989. http://hdl.handle.net/1885/142359.

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48

Barr, Andrew Robert. "Strategies for the control of the foliar diseases of oats in South Australia / by Andrew R. Barr." Thesis, 1994. http://hdl.handle.net/2440/21584.

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49

Barr, Andrew Robert. "Strategies for the control of the foliar diseases of oats in South Australia / by Andrew R. Barr." 1994. http://hdl.handle.net/2440/21584.

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Bibliography: p. 410-429.<br>429 p., [20] leaves of plates : ill. (some col.), map ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Plant Science, 1995?

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50

Hosseini, Reza. "A DNA-based approach to study predator-prey trophic interactions within Brassica crops : a search for predators of diamondback moth (Plutella xylostella)." 2007. http://hdl.handle.net/2440/56816.

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Title page, contents and abstract only. The complete thesis in print form is available from the University of Adelaide Library.<br>Brassica vegetables and oilseeds are economically important crops worldwide. These crops are associated with several destructive and widespread insect pests. In Australia these pests include six species, Plutella xylostella (Linnaeus), Pieris rapae (Linnaeus), Hellula hydralis Guenée, Helicoverpa punctigera (Wallengren), Brevicoryne brassicae (Linnaeus) and Myzus persicae (Sulzer), which are the focus of this research. Among them P. xylostella (diamondback moth or

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