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Screening of Local Bacillus thuringiensis Isolates for Toxicity to Chilo partellus, Sesamia calamistis and Busseola fusca in Kenya
(2007)
Stem borers are a major source of pre-harvest maize crop losses in Kenya and many Sub-Saharan African countries. This menace needs to be addressed if food security is to be realized in this region. Seven local isolates of ...
Concentration - dependent parsimonious releaser roles of gregarious male pheromone of desert locust, Schistocerca gregaria
(2008)
The responses of (i) groups of crowd-reared mature males of desert locust, Schistocerca gregaria to a choice of two columns of air, one permeated with different concentrations of phenylacetonitrile (PAN), the major component ...
Reuse of samples: ethical issues encountered by two institutional ethics review committees in Kenya.
(University of Nairobi, 2005-10)
There is growing concern about the reuse and exploitation of biological materials (human tissues) for use in research worldwide. Most discussions about samples have taken place in developed countries, where genetic ...
Specific PCR assay for a tannin-tolerant selenomonas ruminantium isolate, derived from helicase coding sequences
(2004)
Sequences from a tannin-tolerant Selenomonas ruminantium isolate (EAT2) that hydrolyzes gallic acid were identified. Two exhibited identity to helicases with a wide phylogenetic distribution. PCR amplification by using ...
Subunit vaccine based on the p67 major surface protein of Theileria parva sporozoites reduces severity of infection derived from field tick challenge
(2005)
Two recombinant vaccines against Theileriaparva, based on a near full-length version of the sporozoite surface antigen p67 (p67(635)), or an 80 amino acid C-terminal section (p67C), were evaluated by exposure of immunized ...
Rainfall influences on ungulate population abundance in the Mara-Serengeti ecosystem.
(University of Nairobi, 2008)
1. Rainfall is the prime climatic factor underpinning the dynamics of African savanna ungulates, but no study has analysed its influence on the abundance of these ungulates at monthly to multiannual time scales. 2. We ...
Bryological diversity and distribution along an altitudinal gradient on a lava flow of the Piton de la Fournaise volcano, Reunion island. Diversity and Distrib
(2007)
Pneumatocele, a special form of lung injury, is characterized by intrathoracic images of cavities detected on X-ray films. These cavities develop immediately after a trauma of the thorax, disappear rapidly and have a ...
Improving Food Production by Understanding the effects of intercropping and plant population on soybean nitrogen fixing attributes
(2001)
This paper quantifies the effects of population density and intercropping on the development and growth of nitrogen fixing attributes of soybean and explains how these attributes influence food through yielding process. ...
Some aspect of logical way of studying dinitrogen fixation in an agroforestry context for improving food production
(2001)
Dinitrogen fixation in an agroforestry context requires a careful approach which initially require derivation of the methods to be used and careful selection of the priorities of factors which influence the process. Nitrogen ...