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Now showing items 11-20 of 27
Effect of transgenic cotton expressing Cry1Ac and Cry2Ab2 protein on entomopathogenic nematodes, Steinernema karii and Heterorhabditis bacteriophora.
(2013)
Entomopathogenic nematodes are used in biological control of pests. The cry proteins from insect resistant cotton may affect their infectivity. The effect of Bacillus thuringiensis (Bt) cotton (06Z604D) on infectivity of ...
Development of cost-effective media for the culture of Chilo partellus larvicide in Kenya
(Academic Journals, 2013-03)
Stem borers (Chilo partellus) are important field insect pests of maize (Zea mays L.) and sorghum (Sorghum bicolor L.) in Africa. They account for more than 30% yield losses depending on the composition of the pest community. ...
Mass developments of the cyanobacteria Anabaenopsis and Cyanospira (Nostocales) in the soda lakes of Kenya: ecological and systematic implications
(2013)
The food web of the saline–alkaline lakes
of East Africa is characterised by a unique interaction
between the Lesser Flamingos as consumer birds
and the cyanobacterium Arthrospira fusiformis as the
primary producer. ...
Isolation and characterization of actinobacteria from Lake Magadi, Kenya
(Academic Journals, 2013-08-09)
Actinobacteria are ubiquitous and have been detected in terrestrial and aquatic ecosystems. Although, various studies have focused on the ecology of this phylum, data on the ecology of actinobacteria endemic to soda lakes ...
Amino acid neurotoxins in feathers of the Lesser Flamingo, Phoeniconaias minor
(Elsevier, 2013-01)
The Lesser Flamingo (Phoeniconaias minor) is known to use cyanobacteria (primarily Arthrospira) as a major food source in the East African Rift Valley lakes. Periodically, mass mortalities have occurred, associated with ...
Hidden diversity of eukaryotic plankton in the soda lake Nakuru, Kenya, during a phase of low salinity revealed by a SSU rRNA gene clone library
(Springer, 2013)
A SSU rRNA gene clone library was
constructed to establish the diversity of eukaryotic
plankton in the African soda lake Nakuru during a
phase of low salinity (9.7 ppt = hyposaline). Normally,
the lake is mesosaline ...
Effect of Human Activities and Seasonal Variation on Water Quality of Nkenye (Chikuu) Stream in Chuka, Kenya
(2013-02)
Composite water and sediment samples were taken from Nkenye stream at five
different sampling stations during wet and dry seasons. Water quality parameters were
analyzed using standard methods to ascertain the effect of ...
Sorghum production for food security: A socioeconomic analysis of sorghum production in Nakuru County, Kenya
(Academic Journals, 2013-12-05)
Kenya’s Vision 2030 identifies agriculture as one of the key sectors to deliver sustainable economic growth and improved livelihoods for the poor in the rural areas. However, the sector continues to face several endemic ...
Disappearing medicinal plants in mt. kenya forests, kenya: a case study of east african green heart (Warburgia ugandensis sprague)
(2013-07)
Natural disturbances and human activities are significantly affecting indigenous trees species in forests.
Warburgia ugandensis is a plant highly valued for its medicinal properties, timber and fuel among other uses.
Many ...
Methods for early evaluation for resistance to bacterial blight of coffee
(Academic Journals, 2013)
Bacterial Blight of Coffee (BBC) caused by Pseudomonas syringae pv garcae has become of major concern in Kenya due to its increasing incidence and severity. For decades, the disease was confined within and to the west of ...