The sensitivity of South African plants to acute dosages of sulpher dioxide

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dc.contributor.advisorFuggle, Richard Francisen_ZA
dc.contributor.authorAshton, Elizabeth-Roseen_ZA
dc.date.accessioned2015-10-25T16:59:46Z
dc.date.available2015-10-25T16:59:46Z
dc.date.issued1977en_ZA
dc.description.abstractRelative susceptibility to SOâ‚‚ has been determined for a range of South African plants. Young trees, shrubs and herbaceous species were used for experiments in which the phytotoxic effects of SOâ‚‚ were studied at different concentrations and exposure times. The plants were fumigated in an exposure chamber at ambient conditions of temperature, light intensity and relative humidity. Considerable variations in sensitivity were noted for the 63 species investigated, and, among the families well represented in the South African flora, Ericaceae were resistant while Proteaceae were sensitive to SOâ‚‚. The injury symptoms developed have been described and foliar necrosis evaluated in terms of an injury index. The results of this study form the first documented account of the susceptibility of South African plants to SOâ‚‚, and include a pictorial record of acute injury symptoms. A literature survey of current knowledge concerning visible and subtle phytotoxic effects of SOâ‚‚ is also presented.en_ZA
dc.identifier.apacitationAshton, E. (1977). <i>The sensitivity of South African plants to acute dosages of sulpher dioxide</i>. (Thesis). University of Cape Town ,Faculty of Science ,Department of Environmental and Geographical Science. Retrieved from http://hdl.handle.net/11427/14295en_ZA
dc.identifier.chicagocitationAshton, Elizabeth-Rose. <i>"The sensitivity of South African plants to acute dosages of sulpher dioxide."</i> Thesis., University of Cape Town ,Faculty of Science ,Department of Environmental and Geographical Science, 1977. http://hdl.handle.net/11427/14295en_ZA
dc.identifier.citationAshton, E. 1977. The sensitivity of South African plants to acute dosages of sulpher dioxide. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Ashton, Elizabeth-Rose AB - Relative susceptibility to SOâ‚‚ has been determined for a range of South African plants. Young trees, shrubs and herbaceous species were used for experiments in which the phytotoxic effects of SOâ‚‚ were studied at different concentrations and exposure times. The plants were fumigated in an exposure chamber at ambient conditions of temperature, light intensity and relative humidity. Considerable variations in sensitivity were noted for the 63 species investigated, and, among the families well represented in the South African flora, Ericaceae were resistant while Proteaceae were sensitive to SOâ‚‚. The injury symptoms developed have been described and foliar necrosis evaluated in terms of an injury index. The results of this study form the first documented account of the susceptibility of South African plants to SOâ‚‚, and include a pictorial record of acute injury symptoms. A literature survey of current knowledge concerning visible and subtle phytotoxic effects of SOâ‚‚ is also presented. DA - 1977 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 1977 T1 - The sensitivity of South African plants to acute dosages of sulpher dioxide TI - The sensitivity of South African plants to acute dosages of sulpher dioxide UR - http://hdl.handle.net/11427/14295 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/14295
dc.identifier.vancouvercitationAshton E. The sensitivity of South African plants to acute dosages of sulpher dioxide. [Thesis]. University of Cape Town ,Faculty of Science ,Department of Environmental and Geographical Science, 1977 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/14295en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Environmental and Geographical Scienceen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherEnvironmental Studiesen_ZA
dc.titleThe sensitivity of South African plants to acute dosages of sulpher dioxideen_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMscen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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