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University of Guelph

1. de la Cerda, Karla Adriana. Morphological And Pathogenic Analyses Of Varieties Of Waitea Circinata And Their Rhizoctonia Anamorphs.

Degree: MS, Department of Environmental Biology, 2011, University of Guelph

The species complex, Waitea circinata (WC) has been currently divided into five cultural types: var. circinata, var. oryzae, var. zeae, var. agrostis, and var. prodigus. These divisions are currently based on differences in their sclerotial morphology which have been supported by differences in their internal transcribed spacer region. Physiological differences such as optimal growth temperature, and morphological and pathogenic analyses as well as molecular biological techniques, were used to examine a broad WC collection coming from different geographic regions, and different susceptible hosts. The pathogenic examination showed that WC varieties are not host specific and can successfully infect both turfgrasses and cereals. Phylogenetic trees based on Neighbor-joining (NJ) and Maximum likelihood (ML) methods for three genomic regions (ITS, beta-tubulin, IGS1) showed support for only three of the five WC cultural types that have been described, namely Waitea circinata var. circinata, var. oryzae and var. zeae." Advisors/Committee Members: Hsiang, Tom (advisor), Thorn, Greg (advisor).

Subjects/Keywords: Fungal; Rhizoctonia; Pathogenicity; Taxonomy; Phylogenetics

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

de la Cerda, K. A. (2011). Morphological And Pathogenic Analyses Of Varieties Of Waitea Circinata And Their Rhizoctonia Anamorphs. (Masters Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3034

Chicago Manual of Style (16th Edition):

de la Cerda, Karla Adriana. “Morphological And Pathogenic Analyses Of Varieties Of Waitea Circinata And Their Rhizoctonia Anamorphs.” 2011. Masters Thesis, University of Guelph. Accessed January 27, 2021. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3034.

MLA Handbook (7th Edition):

de la Cerda, Karla Adriana. “Morphological And Pathogenic Analyses Of Varieties Of Waitea Circinata And Their Rhizoctonia Anamorphs.” 2011. Web. 27 Jan 2021.

Vancouver:

de la Cerda KA. Morphological And Pathogenic Analyses Of Varieties Of Waitea Circinata And Their Rhizoctonia Anamorphs. [Internet] [Masters thesis]. University of Guelph; 2011. [cited 2021 Jan 27]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3034.

Council of Science Editors:

de la Cerda KA. Morphological And Pathogenic Analyses Of Varieties Of Waitea Circinata And Their Rhizoctonia Anamorphs. [Masters Thesis]. University of Guelph; 2011. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3034

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