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Dissertations / Theses on the topic 'Barley leaf scald disease'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 January 2023

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1

Davidson, J. A. "Rhynchosporium secalis (Oud.) Davis and barley leaf scald in South Australia /." Title page, contents and abstract only, 1992. http://web4.library.adelaide.edu.au/theses/09A/09ad252.pdf.

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2

Robbertse, Barbara. "Virulence spectrum, molecular characterisation and fungicide sensitivity of the South African Rhynchosporium secalis population." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/52050.

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Thesis (PhDAgric)--University of Stellenbosch, 2000.<br>ENGLISH ABSTRACT: Barley leaf scald, caused by Rhynchosporium secalis, is the most important disease of barley (Hordeum vulgare) in the Western Cape province of South Africa. The disease was first reported from South Africa in 1937. The present study is the first attempt to characterise the South African R. secalis population. Topics such as pathogenesisrelated proteins, virulence spectra, variability of pathotypes, sources of variation, host resistance, breeding strategies, molecular characterisation and fungicide sensitivity are

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3

Hofmann, Kerstin [Verfasser]. "Phenotypic assessment and genetic mapping of genes conferring resistance to leaf scald (Rhynchosporium commune) in barley (Hordeum vulgare) / Kerstin Hofmann." Gießen : Universitätsbibliothek, 2015. http://d-nb.info/1080120211/34.

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4

Gravouil, Clement. "Identification of the barley phyllosphere and the characterisation of manipulation means of the bacteriome against leaf scald and powdery mildew." Thesis, University of Nottingham, 2012. http://eprints.nottingham.ac.uk/12873/.

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In the context of increasing food insecurity, new integrated and more sustainable crop protection methods need to be developed. The phyllosphere, i.e. the leaf habitat, hosts a considerable number of microorganisms. However, only a limited number of these are pathogenic and the roles of the vast majority still remain unknown. Managing the leaf-associated microbial communities is emerging as a potential integrated crop protection strategy. This thesis reports the characterisation of the phyllosphere of barley, an economically important crop in Scotland, with the purpose of developing tools to m

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5

Campbell, Graham F. (Graham Findlay). "Genetics of pathogenicity in Pyrenophora leaf diseases of barley." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52286.

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Dissertation (PhD(Agric)) -- University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: Net blotch of barley, caused by Pyrenophora teres, is one of the most important diseases of this cereal in the south Western Cape Province of South Africa. This fungus exists as two different types (forms), namely a nettype and a spot-type that are distinguished by differential symptom expression on barley leaves. Based on this specific plant pathological difference a series of studies of agricultural importance were executed to investigate the effects of sexual recombination between these two types. In

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6

Dizkirici, Ayten. "Genetic Diversity Of Scald (rhynchosporium Secalis) Disease Resistant And Sensitive Turkish Barley Seed Sources As Determined With Simple Sequence Repeats." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607498/index.pdf.

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Scald disease (Rhynchosporium secalis) is one of the major plant diseases causing considerable yield loss in barley (Hordeum vulgare) plantations in Turkey. To develop, scald resistant barley varieties, C.R.I.F.C. of Turkey has a large accumulated collection of barley seed sources in hand, but these samples are difficult to be followed and used in the breeding programs due to lack of genetic studies on them. Thus, the objective of this study was to characterize and fingerprint of eighty barley seed sources, and assess the magnitude and pattern of genetic diversity that could be used to have mo

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7

Dussart, François Mathieu Didier. "Genomic analysis of secondary metabolism in Ramularia collo-cygni, causative agent of Ramularia leaf spot disease of barley." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28829.

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In the past two decades a new barley threat has emerged as the disease Ramularia leaf spot (RLS) became more prevalent in temperate regions worldwide. This disease, first identified in the late 19th century, is caused by the filamentous fungus Ramularia collo-cygni (Rcc) and can cause substantial yield losses as well as reduce grain quality. RLS typically occurs late in the growing season and characteristic disease symptoms are usually seen after the crop has flowered. Expression of RLS lesions is thought to be associated with the action of fungal secondary metabolism products. The one group o

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8

Whelan, Helen G. "The effect of crop yield potential on disease yield loss relationships in barley (Hordeum vulgare L.)." Lincoln University, 1992. http://hdl.handle.net/10182/1980.

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Proportional loss models commonly used in disease surveys are based on the assumption that per cent yield loss is the same in all crops, regardless of their yield potential. Estimates of regional crop loss may be inaccurate if the relationship between disease and yield loss is affected by crop yield potential. The importance of crop yield potential in disease: yield loss modelling was investigated and models for more accurate regional crop loss estimates were developed, taking crop yield potential into account. Two spring sown barley (cv. Triumph) experiments were conducted in 1987/88 and 198

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9

Pieretti, Isabelle. "Génomique comparative et évolutive de Xanthomonas albilineans, l'agent causal de l'échaudure des feuilles de la canne à sucre." Thesis, Montpellier, SupAgro, 2015. http://www.theses.fr/2015NSAM0031.

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Xanthomonas albilineans est la bactérie responsable de l'échaudure des feuilles, une maladie vasculaire et létale de la canne à sucre. Cette plante, domestiquée depuis plus de 5000 ans, est aujourd'hui cultivée sur près de 26 millions d'hectares. Depuis le début du 20ème siècle, les variétés naturelles de canne à sucre ont été remplacées par des variétés hybrides issues de croisements artificiels et présentant des caractères agronomiques plus intéressants. La transmission de X. albilineans est essentiellement liée au mode de multiplication par bouturage de la canne à sucre, les boutures produi

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10

Abbott, David Colin. "Pyramiding scald resistance genes in barley." Phd thesis, 1997. http://hdl.handle.net/1885/145297.

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11

Davidson, J. A. (Jennifer A. ). "Rhynchosporium secalis (Oud.) Davis and barley leaf scald in South Australia." 1992. http://web4.library.adelaide.edu.au/theses/09A/09ad252.pdf.

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12

Zareie, Seyed-Reza. "Analysis of defense responses in the barley-Rhynchosporium secalis pathosystem / by Seyed-Reza Zareie." 2000. http://hdl.handle.net/2440/19869.

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Bibliography: leaves 218-232.<br>232 leaves : 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>This thesis investigates the resistance response of barley towards R. secalis by examining the in vitro interaction between various components of the apoplastic fluid and the fungus.<br>Thesis (Ph.D.)--Adelaide University, Dept. of Applied and Molecular Ecology, 2001

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13

Zareie, Seyed-Reza. "Analysis of defense responses in the barley-Rhynchosporium secalis pathosystem / by Seyed-Reza Zareie." Thesis, 2000. http://hdl.handle.net/2440/19869.

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Bibliography: leaves 218-232.<br>232 leaves : ill. (some col.) ; 30 cm.<br>This thesis investigates the resistance response of barley towards R. secalis by examining the in vitro interaction between various components of the apoplastic fluid and the fungus.<br>Thesis (Ph.D.)--Adelaide University, Dept. of Applied and Molecular Ecology, 2001

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14

Seetal, Ashwin Rabichand. "Studies on the causal agent of leaf scald disease in sugarcane." Thesis, 1989. http://hdl.handle.net/10413/9938.

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15

CAI, JIN-CHI, and 蔡金池. "Characterization and monoclonal antibody production of xanthomonas albilineans (ashby) dowson, the causal agent of sugarcane leaf and scald disease." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/86582188797370049548.

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16

Jabbari, Jafar Sheikh. "Molecular characterisation of differentially expressed genes in the interaction of barley and Rhynchosporium secalis." 2009. http://hdl.handle.net/2440/57718.

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The barley scald pathogen (Rhynchosporium secalis) causes extensive economic losses, not only through lost product and quality, but also due to costs associated with chemical control. Economic and environmental impacts and the emerging resistance to fungicides and dominant resistance genes are reasons to understand molecular defence responses in order to develop new strategies to increase resistance of barley to this pathogen. In most pathosystems, defence gene expression in susceptible or resistant genotypes commonly differs quantitatively. Thus, differentially expressed genes between genotyp

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17

Jabbari, Jafar Sheikh. "Molecular characterisation of differentially expressed genes in the interaction of barley and Rhynchosporium secalis." Thesis, 2009. http://hdl.handle.net/2440/57718.

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The barley scald pathogen (Rhynchosporium secalis) causes extensive economic losses, not only through lost product and quality, but also due to costs associated with chemical control. Economic and environmental impacts and the emerging resistance to fungicides and dominant resistance genes are reasons to understand molecular defence responses in order to develop new strategies to increase resistance of barley to this pathogen. In most pathosystems, defence gene expression in susceptible or resistant genotypes commonly differs quantitatively. Thus, differentially expressed genes between genotyp

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18

Fisk, Scott P. "FR‐H3 : a new QTL to assist in the development of fall-sown barley with superior low temperature tolerance." Thesis, 2011. http://hdl.handle.net/1957/26177.

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Fall-sown barley will be increasingly important in the era of climate change due to higher yield potential and efficient use of water resources. Resistance/tolerance to biotic and abiotic stresses will be critical. Low temperature is an abiotic stress of great importance. Resistance to barley stripe rust (incited by Puccinia striifomis f. sp. hordei) and scald (incited by Rhynchosporium secalis) will be important in higher rainfall areas. Simultaneous gene discovery and breeding will accelerate the development of agronomically relevant germplasm. The role of FR-H1 and FR-H2 in low temperature

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19

Balz, Torsten. "Ramularia collo-cygni an Gerste." Doctoral thesis, 2010. http://hdl.handle.net/11858/00-1735-0000-0006-AB30-0.

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