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Screening of Warburgia Ugandensis Crude Extracts Obtained from Different Organic Solvents against Tomato Phytophthora Infestans and Alternaria Solani

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dc.contributor.authorKamau Esther Waithira
dc.contributor.authorG.E Mworia
dc.contributor.authorJ.M Maingi
dc.contributor.authorP.W Masinde
dc.date.accessioned2024-07-05T13:42:05Z
dc.date.issued2019-03
dc.descriptionArticle
dc.description.abstractAlternaria solani and Phytophthora infestans are causative agents of early and late blight of tomatoes respectively which are currently controlled using fungicides. Overuse of fungicides poses safety concerns. The research objective was to investigate the invitro efficacy of Warburgia organic solvent crude extracts on blight pathogens. Warburgia ugandensis stem bark sample was air dried at room temperature then ground. The powdered material was weighed and soaked in organic solvent then filtered and the solvent recovered using a rotary evaporator. Multiple extraction method was used with four organic solvents. Well diffusion method was used to screen Warburgia extracts against A. solani and P. infestans. All assays were performed in triplicate. Statistical analysis on inhibition zone was carried out using analysis of variance (ANOVA). Warburgia ugandensis hexane crude extract had the highest inhibition zone in A. solani while methanol crude extract gave the highest mean inhibition zone in P. infestans. All the extracts were inhibitive against P. infestans and A. solani. Further studies are required for invivo studies and to analyze the bioactive compounds in the extracts.
dc.description.sponsorshipMeru University of Science and Technology
dc.identifier.citationKamau, E. W., Mworia, G. E., Maingi, J. M., & Masinde, P. W. (2019). Screening of Warburgia Ugandensis Crude Extracts Obtained from Different Organic Solvents against Tomato Phytophthora Infestans and Alternaria Solani.
dc.identifier.urihttps://drive.google.com/file/d/1bxI7EAQzJvHGcSjvDW3R97TtJRo43Z51/view
dc.identifier.urihttps://repository.nrf.go.ke/handle/123456789/1130
dc.language.isoen
dc.publisherEuropean Academic Research
dc.subjectWarburgia ugandensis
dc.subjectPhytophthora infestans
dc.subjectAlternaria solani
dc.subjectinvitro inhibition
dc.subjecttomatoes
dc.subjectwell diffusion method
dc.titleScreening of Warburgia Ugandensis Crude Extracts Obtained from Different Organic Solvents against Tomato Phytophthora Infestans and Alternaria Solani
dc.typeArticle
dspace.entity.typePublication

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Food Safety(Aflatoxin-Studies)