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Akademický článek

CHARACTERIZING MOVEMENT PATTERNS OF NOMADIC PASTORALISTS AND THEIR EXPOSURE TO RIFT VALLEY FEVER IN KENYA

Autor: G. Mosomtai, J. L. Kasiiti, R. M. Murithi, P. Sandström, T. Landmann, O. W. Lwande, O. A. Hassan, C. Ahlm, R. Sang, M. Evander, Z. Szantoi, G. Ottavianelli

Publikováno v: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLVIII-M-1-2023, Pp 211-216 (2023)

The role of animal movement in spreading infectious diseases is highly recognized by various legislations and institutions such as the World Organisation for Animal Health and the International Animal Health Code. The increased interactions at the ne

Externí odkaz: https://doaj.org/article/3004dd02196e4e5abc3abf69a37dceb0

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Akademický článek

Identifying Edaphic Factors and Normalized Difference Vegetation Index Metrics Driving Wildlife Mortality From Anthrax in Kenya’s Wildlife Areas

Autor: Vincent Obanda, Viola A. Otieno, Edward M. Kingori, David Ndeereh, Olivia W. Lwande, Patrick I. Chiyo

Publikováno v: Frontiers in Ecology and Evolution, Vol 9 (2021)

Anthrax, an acute disease of homeotherms caused by soil-borne Bacillus anthracis is implicated in dramatic declines in wildlife mainly in sub-Saharan Africa. Anthrax outbreaks are often localized in space and time. Therefore, understanding predictors

Externí odkaz: https://doaj.org/article/8897a57f1351403091cd67f50ca471dc

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The antiplasmodial activity of spermine alkaloids isolated from Albizia gummifera

Autor: W Lwande, G.M. Mungai, F. Omlin, C.N. Muthaura, Festus M. Tolo, S.A. Omar, Francis W. Muregi, W.M. Kofi-Tsekpo, Peter Mwitari, FW Iraqi, Wolfgang Kraus, Ahmed Hassanali, G.M. Rukunga, John I. Githure

Publikováno v: Fitoterapia. 78:455-459

In the present study the methanolic extract of Albizia gummifera was fractionated into various fractions. These fractions were tested against choroquine sensitive (NF54) and resistant (ENT30) strains of Plasmodium falciparum . All other fractions apa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f1f4d37ec9c3a90ef7bdb10952dfe92
https://doi.org/10.1016/j.fitote.2007.02.012

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[Untitled]

Autor: Sunday Ekesi, W. Lwande, Nguya K. Maniania

Publikováno v: BioControl. 45:79-95

The susceptibility of Megalurothrips sjostedtito Metarhizium anisopliae when reared on susceptible, tolerant, and moderately resistant varieties of cowpea at different constant temperatures was evaluated in the laboratory. Insects were exposed either

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b6f15fdadc7d7d7036805291316d016f
https://doi.org/10.1023/a:1009927302916

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Three New Flavonoids from the Root of Tephrosia emoroides and their Antifeedant Activity against the Larvae of the Spotted Stalk Borer Chilo partellus Swinhoe

Autor: J. I. Jondikoa, L. V. C. Moreka, Ahmed Hassanali, Alex K. Machocho, W. Lwande

Publikováno v: International Journal of Pharmacognosy. 33:222-227

Three new and two previously known flavonoids were isolated and identified from the roots o/Tephrosia emoroides A. Rich. The new flavonoids included the flavanone 4″,5″-dihydro-5-methoxy-5″-isopropenylfurano-[2″,3″:7,8]-flavanone, the flavo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0970896c6730ecaf7bff7c407b91c1a3
https://doi.org/10.3109/13880209509065367

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Essential Oils ofLippiaSpecies in Kenya. IV: Maize Weevil (Sitophilus Zeamais) Repellancy and Larvicidal Activity

Autor: W. Lwande, A. Hassanali, R. M. Munavu, Ivan Addae-Mensah, Julius W. Mwangi, G Muriuki

Publikováno v: International Journal of Pharmacognosy. 30:9-16

The repellancy of essential oils of eight Lippia species on maize weevils was compared with NN-diethyltoluamide (DEET). The larvicidal activity of these essential oils was also examined. As a repellant, the essential oil of L. ukambensis (chemotype c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae540cc20ae209bdf0b0b2ed392f6b21
https://doi.org/10.3109/13880209209054622

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Essential Oils of TwoLippia ukambensisVatke Chemotypes andLippia somalensisVatke in Kenya

Autor: W. Lwande, R. M. Munavu, Julius W. Mwangi, Ivan Addae-Mensah

Publikováno v: Journal of Essential Oil Research. 3:413-417

The chemical composition of the essential oils of 41 samples of Lippia ukambensis Vatke were examined by GC/MS. Two chemotypes were identified on the basis of the camphor and 1, 8-cineole. The camphor chemotype of L. ukambensis contained camphor (37.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::455d23b836f22ec626b7718d5aee1a77
https://doi.org/10.1080/10412905.1991.9697976

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Essential oils of KenyanLippia species. Part III

Autor: W. Lwande, Julius W. Mwangi, R. M. Munavu, Ivan Addae-Mensah

Publikováno v: Flavour and Fragrance Journal. 6:221-224

Essential oils from six Lippia species (fam. Verbenaceae), namely Lippia javanica (Burm f.) Spreng., L. dauensis (Chiov.) Chiov., L. carviodora Meikle, L. carviodora var. minor Meikle, L. grandifolia Mart & Schau., and L. wilmsii H. H. W. Pearson, ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d01bb67c700ca605cea468972336aa4
https://doi.org/10.1002/ffj.2730060311

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Akademický článek

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Intercropping increases parasitism of pests

Autor: Z. R. Khan, K. Ampong-Nyarko, P. Chiliswa, A. Hassanali, S. Kimani, W. Lwande, W. A. Overholt, J. A. Picketta, L. E. Smart, C. M. Woodcock

Publikováno v: Nature. 388:631-632

As part of a programme for controlling lepidopteran stem-borers in cereal crops in Africa, we have investigated the effectiveness of combined cropping regimes of cultivatedand wild plants for reducing stem-borer damage. Intercropping with the non-hos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfa0bf92effdcbdddc66968bee994f65
https://doi.org/10.1038/41681

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