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Resistance in Botrytis cinerea to dicarboximide fungicides
Thesis (MScAgric) -- University of Stellenbosch, 1996.
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| Format: | Thesis |
| Language: | English |
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Stellenbosch : Stellenbosch University
2012
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| _version_ | 1867614128952049664 |
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| access_status_str | Open Access |
| author | Fourie, Paul Hendrik |
| author2 | Holz, G. |
| author_browse | Fourie, Paul Hendrik Holz, G. |
| author_facet | Holz, G. Fourie, Paul Hendrik |
| author_sort | Fourie, Paul Hendrik |
| collection | Thesis |
| dc_rights_str_mv | Stellenbosch University |
| description | Thesis (MScAgric) -- University of Stellenbosch, 1996. |
| format | Thesis |
| id | oai:scholar.sun.ac.za:10019.1/55227 |
| institution | Stellenbosch University (South Africa) |
| language | English |
| last_indexed | 2026-06-10T12:47:07.138Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository |
| publishDate | 2012 |
| publishDateRange | 2012 |
| publishDateSort | 2012 |
| publisher | Stellenbosch : Stellenbosch University |
| publisherStr | Stellenbosch : Stellenbosch University |
| record_format | dspace |
| source_str | SUNScholar — Stellenbosch University Repository |
| spelling | oai:scholar.sun.ac.za:10019.1/55227 Resistance in Botrytis cinerea to dicarboximide fungicides Fourie, Paul Hendrik Holz, G. Stellenbosch University. Faculty of AgriSciences. Dept. of Plant Pathology. Botrytis cinerea -- Control Fungicides Grapes -- Diseases and pests -- Control Fungicide resistance Fungal diseases of plants -- Pathogenesis Grapes -- Diseases and pests -- South Africa -- Western Cape Dissertations -- Plant pathology Thesis (MScAgric) -- University of Stellenbosch, 1996. Resistance in Botrytis cinerea to dicarboximide fungicides is a well-recorded phenomenon world-wide. These fungicides have been used extensively during the past 10–15 years in table grape vineyards where, after veraison, conditions are often favourable for disease development. Although the risk of the pathogen developing resistance to these fungicides is considered high, there are as yet no reports of major control failure under vineyard conditions in South Africa. Growers are, however, concerned about the likelihood of the appearance, increase, and rapid dissemination of dicarboximide resistant isolates among vineyards in the Western Cape. This could result in the inefficacy of one of the key measures in the integrated disease control programme, which is heavily relied on during disease conducive periods after veraison. The objective of this study was therefore to survey for dicarboximide resistance in B. cinerea in vineyards of the Western Cape, to characterize resistant isolates, and to examine changes in resistance frequency to dicarboximide fungicides of the B. cinerea population in vineyards under different dicarboximide schedules. Since resistance in B. cinerea to benzimidazole fungicides is also widespread, and these fungicides have been used in South African table grape vineyards, isolates were also surveyed for benzimidazole sensitivity. Masters 2012-08-27T11:36:57Z 2012-08-27T11:36:57Z 1996 Thesis http://hdl.handle.net/10019.1/55227 en Stellenbosch University 79 pages : ill. application/pdf Stellenbosch : Stellenbosch University |
| spellingShingle | Botrytis cinerea -- Control Fungicides Grapes -- Diseases and pests -- Control Fungicide resistance Fungal diseases of plants -- Pathogenesis Grapes -- Diseases and pests -- South Africa -- Western Cape Dissertations -- Plant pathology Fourie, Paul Hendrik Resistance in Botrytis cinerea to dicarboximide fungicides |
| title | Resistance in Botrytis cinerea to dicarboximide fungicides |
| title_full | Resistance in Botrytis cinerea to dicarboximide fungicides |
| title_fullStr | Resistance in Botrytis cinerea to dicarboximide fungicides |
| title_full_unstemmed | Resistance in Botrytis cinerea to dicarboximide fungicides |
| title_short | Resistance in Botrytis cinerea to dicarboximide fungicides |
| title_sort | resistance in botrytis cinerea to dicarboximide fungicides |
| topic | Botrytis cinerea -- Control Fungicides Grapes -- Diseases and pests -- Control Fungicide resistance Fungal diseases of plants -- Pathogenesis Grapes -- Diseases and pests -- South Africa -- Western Cape Dissertations -- Plant pathology |
| url | http://hdl.handle.net/10019.1/55227 |
| work_keys_str_mv | AT fouriepaulhendrik resistanceinbotrytiscinereatodicarboximidefungicides |