W. Lwande

Publications90
h-index26
Citations2,342
Highly Influential Citations114
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Traditional use of mosquito-repellent plants in western Kenya and their evaluation in semi-field experimental huts against Anopheles gambiae: ethnobotanical studies and application by thermal…
TLDR
The semi-field system described appears a promising alternative to full-field trials for screening large numbers of candidate repellents without risk of malaria exposure and was evaluated against the malaria vector Anopheles gambiae s.s.
Intercropping increases parasitism of pests
TLDR
Intercropping with the non-host molasses grass, Melinis minutiflora, significantly decreased levels of infestation by stem-borers in the main crop and also increased larval parasitism of stem- borers by Cotesia sesamiae.
Repellency of essential oils of some Kenyan plants against Anopheles gambiae.
TLDR
Four synthetic blends of the major components of the essential oils were found to exhibit comparable repellent activity to the parent oils, and eight constituents of the different oils exhibited relatively high repellency.
New mosquito larvicidal tetranortriterpenoids from Turraea wakefieldii and Turraea floribunda.
TLDR
Four new limonoids comprising a vilasininoid 1 and three havanensinoids 2-4 were isolated from the chloroform fractions of the methanol extracts of Turraea wakefieldii and T. floribunda to show mosquito larvicidal activity against third-instar larvae of Anopheles gambiae sensu stricto.
Repellency of live potted plants against Anopheles gambiae from human baits in semi-field experimental huts.
TLDR
This study is the first to show that live intact plants can reduce domestic exposure to malaria vector mosquitoes, and may represent a new, sustainable and readily applicable malaria vector control tool for incorporation into integrated vector management programs.
Weevil repellent constituents of Ocimum suave leaves and Eugenia caryophyllata cloves used as grain protectants in parts of eastern Africa.
Cleome monophylla essential oil and its constituents as tick (Rhipicephalus appendiculatus) and maize weevil (Sitophilus zeamais) repellents
TLDR
In a tick climbing repellency bioassay, the oil of C. monophylla exhibited repellencies which, at the highest dose, was comparable to that of the commercial arthropod repellent N, N‐diethyl toluamide (DEET).
Volatile infochemicals used in host and host habitat location byCotesia flavipes Cameron andCotesia sesamiae (Cameron) (Hymenoptera: Braconidae), larval parasitoids of stemborers on graminae
TLDR
Two parasitoids were significantly more attracted to maize infested with the stemborers,Chilo partellus (Swinhoe),Chilo orichalcociliellus Strand,Sesamia calamistis Hampson, andBusseola fusca (Fuller), than uninfested maize.
Composition of essential oil of Plectranthus tenuiflorus (Vatke) Agnew
The essential oil isolated by hydrodistillation from leaves of Plectranthus tenuiflorus (Vatke) Agnew was analyser by GC and GC–MS. A total of 17 compounds accounting for 72.3% of the oil were…
A New 6a-Hydroxypterocarpan with Insect Antifeedant and Antifungal Properties from the Roots of Tephrosia Hildebrandtii Vatke
TLDR
The finding suggests that the pterocarpan phytoalexins formed as a result of microbial infection of the cowpea plant may constitute a basis for induced resistance in the plant against M. testulalis.
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