- Plant Virus Research Studies
- Mosquito-borne diseases and control
- Insect-Plant Interactions and Control
- Insect and Pesticide Research
- Genetics and Plant Breeding
- Plant Pathogenic Bacteria Studies
- Potato Plant Research
- Insect symbiosis and bacterial influences
- Wheat and Barley Genetics and Pathology
- Plant and Fungal Interactions Research
- Parasites and Host Interactions
- Plant Disease Resistance and Genetics
- Vitamin D Research Studies
- Agricultural Practices and Plant Genetics
- Agricultural pest management studies
- Plant Pathogens and Resistance
Kenya Agricultural and Livestock Research Organization
2021-2024
Jomo Kenyatta University of Agriculture and Technology
2016-2018
Egerton University
2008-2016
Institute of Primate Research
2008
University of Nairobi
2008
Cassava is the main staple food for over 800 million people globally. Its production in eastern Africa being constrained by two devastating Ipomoviruses that cause cassava brown streak disease (CBSD); virus (CBSV) and Ugandan (UCBSV), with up to 100% yield loss smallholder farmers region. To date, vector studies have not resulted reproducible highly efficient transmission of CBSV UCBSV. Most used Bemisia tabaci (whitefly), but a maximum 41% U/CBSV efficiency has been documented this vector....
<ns4:p>Crop losses due to viral diseases and pests are major constraints on food security income for millions of households in sub-Saharan Africa (SSA). Such can be reduced if plant correctly diagnosed identified early. Currently, accurate diagnosis definitive identification viruses their vectors SSA mostly relies standard PCR next generation sequencing technologies (NGS). However, it take up 6 months before results generated using these approaches available. The long time taken detect or...
Abstract The United Nations has listed Zero Hunger as one of the 17 global sustainable development goals to end extreme poverty by 2030. Plant viruses are a major constraint crop production globally causing an estimated $30 billion in damage 1 leaving millions people food insecure 2 . In Africa, agriculture employs up 50% workforce, yet only contributes 15% GDP on average 3 , suggesting that there is low productivity and limited value addition. This can be addressed through continued...
Maize chlorotic mottle virus (MCMV) causes maize lethal necrosis disease in combination with a cereal-infecting potyvirus, leading to high yield losses. There is limited information on seed infection or contamination rate by MCMV and its comparison transmission seedlings. This study was conducted determine the extent of lots from MCMV-infected fields Kenya seeds To levels, whole were ground extract tested for presence using double antibody sandwich enzyme-linked immunosorbent assay...
Intensity of human schistosomiasis infection increases with age, a peak being attained at early puberty. Hormones could be involved in the age-related changes susceptibility to schistosomiasis. Male BALB/c mice were infected Schistosoma mansoni either before or after puberty and worm numbers, cellular immune responses, hormonal levels pathology analysed. Pre-puberty had significantly higher number adult worms (p
Understanding the effect of seed transmission Maize chlorotic mottle virus (MCMV) is important in managing spread disease especially secondary caused by vectors. This study was set out to investigate different genotypes and crop growth stage at time infection rate MCMV from seeds seedlings. The experiments were laid randomised complete block design with three replications. Detection grow outs determined using double antibody sandwich enzyme-linked immunosorbent assay real reverse...
Seeds have been identified as major sources of introduction and spread pathogens, with viruses being detected in the seed also on coat. In this study, infectivity Maize chlorotic mottle virus (MCMV) through seeds was investigated. that had tested positive for MCMV previously using double antibody enzyme-linked immunosorbent assay (DAS-ELISA) real-time reverse transcription polymerase chain reaction (real time RT-PCR) were obtained from various sources. The soaked phosphate buffer overnight...