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Mosquito host preferences affect their response to synthetic and natural odour blends
(University of Nairobi, 2014)
Background
The anthropophilic malaria mosquito Anopheles gambiae sensu stricto (hereafter termed Anopheles gambiae) primarily takes blood meals from humans, whereas its close sibling Anopheles arabiensis is more ...
Impact of longterm inorganic fertilization with emphasis on heavy metals, soil PH and total organic carbon on maize farm soils in trans Nzoia Kenya.
(University of Nairobi, 2014)
This research was carried out to analyze the effect of long term use of inorganic fertilizers on the Cd, Cr, Cu, Pb, Zn, soil pH and TOC in maize farm soils in Kenya. Samples of soil were collected from 12 experimental ...
Phytochemical screening of Dierama cupuliflorum Klatt. (Iridaceae)
(2014)
Background: Plants continue to play a vital role in their therapeutic value. This is because of the vast secondary metabolites that many of them produce. These natural products have been utilised as single or in combination ...
Yield Performance of Potato Seed Tubers After Storage in a Diffuse Light Store
(University of Nairobi, 2014)
An on-farm trial was carried out at KARI (Tigoni) and in Nyandarua County in central Kenyan highlands, to determine the yields of some common potato cultivars following storage in a diffuse light store (DLS) for eight ...
Determination of damage threshord of gassava green (acari: tetranychidae) on different cassava varieties
(University of Nairobi, 2014)
6α-Hydroxy-α-toxicarol and (+)-tephrodin with antiplasmodial activities from Tephrosia species
(Elsevier, 2014)
The CH2Cl2/MeOH (1:1) extract of the roots of Tephrosia villosa showed good antiplasmodial activity against the chloroquine-sensitive (D6) and chloroquine-resistant (W2) strains of Plasmodium falciparum with IC50 values ...
A Stochastic Model for Planning a Compartmental Education System and Determining Stable Student Population Distribution
(2014)
In most developing countries, populations grow exponentially thus directly
impacting on student populations in education systems. In an ecosystem, a stable predator/prey
population ensures the survival and sustenance of ...
Typhlodromalus aripode leon (acari: phytoseiidae) development and reproduction on major cassava pests at different temperatures and humidities: an indication of enhanced mite resilience
(2014)
Both prey type and abiotic conditions limit performance of phytoseiid predators. The exotic predatory
mite, Typhlodromalus aripo developed and reproduced when maintained on eggs and active stages of the cassava ...
Dynamics of chlorpyrifos in water from upper Tana River in Kenya
(University of Nairobi, 2014)
Water covers 70.9% of the Earth's surface (WFB, 2008), and is vital for all known forms of life (WFB, 2008). The specific contaminants leading to pollution in water include a wide spectrum of chemicals like Persistent ...
Antimicrobial flavonoids and diterpenoids from Dodonaea angustifolia
(University of Nairobi, 2014-03)
The surface exudates of the leaves of Dodonaea angustifolia from Ngong forest population (6 km from Nairobi city center, Kenya) demonstrated antimicrobial activity against Gram-negative (Escherichia coli), Gram-positive ...