Testing of eight medicinal plant extracts in combination with kresoxim-methyl for integrated control of botrytis cinerea in apples

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dc.contributor.advisorFielding, Burtram C.
dc.contributor.advisorKnowles, Cindy-Lee
dc.contributor.advisorVries, Filicity A.
dc.contributor.advisorKlaasen, Jeremy
dc.date.accessioned2017-02-02T13:47:47Z
dc.date.available2017-02-02T13:47:47Z
dc.date.issued2015
dc.description.abstractBotrytis cinerea is a fungus that causes gray mold on many fruit crops. Despite the availability of a large number of botryticides, the chemical control of gray mold has been hindered by the emergence of resistant strains. In this paper, tests were done to determine the botryticidal efficacy of selected plant extracts alone or combined with kresoxim-methyl. In total, eight South African medicinal plants viz Artemisia afra, Elyptropappus rhinocerotis, Galenia africana, Hypoxis hemerocallidea, Siphonochilus aetheopicus, Sutherlandia frutescens, Tulbaghia violacea and Tulbaghia alliacea were screened. Allium sativum, a plant species known to have antifungal activity, was included in the in vivo studies. For the in vitro studies, synergistic interactions between the plant extracts and the kresoxim-methyl fungicide were tested with radial growth assays. Data indicated synergistic inhibitory effects between the fungicide and the plant extracts. Next, different doses of plant extracts combined with kresoxim-methyl were used for decay inhibition studies on Granny Smith apples. Synergistic and additive effects were observed for many of the combinations. Even though this study was done using only one strain of B. cinerea, results showed that the tested indigenous South African plant species possess natural compounds that potentiate the activity of kresoxim-methyl.en_US
dc.description.accreditationen_US
dc.identifier.citationFielding, B.C. et al. (2015). Testing of eight medicinal plant extracts in combination with kresoxim-methyl for integrated control of botrytis cinerea in apples. Agriculture, 5: 400-411en_US
dc.identifier.issn2077-0472
dc.identifier.urihttp://hdl.handle.net/10566/2517
dc.identifier.urihttp://dx.doi.org/10.3390/agriculture5030400
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.rightsAll articles published by MDPI are made immediately available worldwide under an open access license
dc.subjectBotrytis cinereaen_US
dc.subjectGray molden_US
dc.subjectKresoxim-methylen_US
dc.subjectMedicinal plantsen_US
dc.subjectPlant extractsen_US
dc.subjectStrobilurinen_US
dc.subjectFungicidesen_US
dc.titleTesting of eight medicinal plant extracts in combination with kresoxim-methyl for integrated control of botrytis cinerea in applesen_US
dc.typeArticleen_US

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