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dc.contributor.authorNiassy, S.
dc.contributor.authorManiania, NK
dc.contributor.authorGitonga, LM
dc.contributor.authorMburu, DM
dc.contributor.authorMasiga, D.
dc.contributor.authorEkesi, S.
dc.date.accessioned2022-12-06T11:04:55Z
dc.date.available2022-12-06T11:04:55Z
dc.date.issued2012
dc.identifier.citationLett Appl Microbiol . 2012 Jun;54(6):487-93. doi: 10.1111/j.1472-765X.2012.03241.x. Epub 2012 Apr 19en_US
dc.identifier.uri10.1111/j.1472-765X.2012.03241
dc.identifier.urihttps://karuspace.karu.ac.ke/handle/20.500.12092/2677
dc.descriptionSelection of promising fungal biological control agenten_US
dc.description.abstractAims: Larval stages of Frankliniella occidentalis are known to be refractory to fungal infection compared with the adult stage. The objective of this study was to identify promising fungal isolate(s) for the control of larval stages of F. occidentalis. Methods and results: Ten isolates of Metarhizium anisopliae and eight of Beauveria bassiana were screened for virulence against second-instar larvae of F. occidentalis. Conidial production and genetic polymorphism were also investigated. Metarhizium anisopliae isolates ICIPE 7, ICIPE 20, ICIPE 69 and ICIPE 665 had the shortest LT(50) values of 8.0-8.9 days. ICIPE 69, ICIPE 7 and ICIPE 20 had the lowest LC(50) values of 1.1 × 10(7), 2.0 × 10(7) and 3.0 × 10(7) conidia ml(-1), respectively. Metarhizium anisopliae isolate ICIPE 69 produced significantly more conidia than M. anisopliae isolates ICIPE 7 and ICIPE 20. Internally transcribed spacers sequences alignment showed differences in nucleotides composition, which can partly explain differences in virulence. Conclusion: These results coupled with the previous ones on virulence and field efficacy against other species of thrips make M. anisopliae isolate ICIPE 69 a good candidate. Significance and impact of the study: Metarhizium anisopliae isolate ICIPE 69 can be suggested for development as fungus-based biopesticide for thrips management.en_US
dc.language.isoenen_US
dc.publisherKaratina Universityen_US
dc.subjectBeauveria bassianaen_US
dc.subjectbiological controlen_US
dc.subjectgenotypingen_US
dc.subjectMetarhizium anisopliaeen_US
dc.subjectthripsen_US
dc.titleSelection of promising fungal biological control agent of the western flower thrips Frankliniella occidentalis (Pergande)en_US
dc.typeArticleen_US


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