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Different Plant Extracts against Phytophthora infestans (Mont.) de Bary in Tomato in Vitro

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dc.contributor.author Ndala, Rachel I.
dc.contributor.author Mbega, Ernest R
dc.contributor.author Ndakidemi, Patrick A.
dc.date.accessioned 2019-07-25T08:44:40Z
dc.date.available 2019-07-25T08:44:40Z
dc.date.issued 2019-04-30
dc.identifier.issn 2158-2750
dc.identifier.uri https://doi.org/10.4236/ajps.2019.104050
dc.identifier.uri http://dspace.nm-aist.ac.tz/handle/123456789/381
dc.description Research Article published by Scientific Research Publishing Inc. en_US
dc.description.abstract The objective of this study was to evaluate the efficacy of plant extracts in managing late blight disease in tomato, in vitro. Crude extracts were from Plectranthus barbatus , Tephrosia vogelii , Sphaeranthus suaveolens and Lantana camara . These were compared with commercial formulations Otiva fungicide and untreated as negative control. Their effectiveness was determined by measuring the inhibition zone of the mycelial growth of the pathogen recorded in triplicate at 48 hours and 72 hours. The results showed significant differences (P ≤ 0.001) among the extracting solvents on percentage inhibition of Phytophthora infestans . Methanol was superior in inhibiting the growth of mycelial growth of P. infestans as compared with ethyl acetate. Furthermore, all plants tested showed antifungal activity against P. infestans . The P. barbatus, L. camara and S. suaveolens were comparable with the commercial fungicide in inhibiting the growth of P. infestans . In this study, T. vogelii extract showed poor results in inhibiting the mycelial growth of P. infestans as compared with other plant extracts. Also, it was observed that, there were significant (P < 0.05) interactive effects between solvent and plant extracts and between incubation time and plant extracts. en_US
dc.language.iso en_US en_US
dc.publisher Scientific Research Publishing Inc. en_US
dc.subject Late Blight Disease en_US
dc.subject Plant Extracts en_US
dc.title Different Plant Extracts against Phytophthora infestans (Mont.) de Bary in Tomato in Vitro en_US
dc.type Article en_US


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