Papers by FRANCIS MUYEKHO
New Disease Reports
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Fungal Genomics & Biology, 2018
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Environmental risk assessment of genetically modified organisms. Volume 1: A case study of Bt maize in Kenya
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ABSTRACT
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A presentation prepared by Mulaa, M. et al. to the ASARECA/ILRI Workshop on Mitigating the Impact... more A presentation prepared by Mulaa, M. et al. to the ASARECA/ILRI Workshop on Mitigating the Impact of Napier Grass Smut and Stunt Diseases, Addis Ababa, June 2-3, 2010.
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A study was conducted in the four counties the maize- wheat-teapotato and sugarcane-based farming... more A study was conducted in the four counties the maize- wheat-teapotato and sugarcane-based farming system in North western Kenya to explore the variability among household characteristics and farm productivity. The aim of this work was to establish homogenous groups of crop-livestock mixed farming systems of Kenya. A two step approach was adopted for the study. The first was a rapid rural appraisal followed by a formal survey aimed at establishing farm types to facilitate detailed analysis of synergistic crop-livestock interaction systems. A random sample of 423 farmers was interviewed using a semi structured questionnaire. Descriptive and multinomial techniques were used in the analysis. Two classifications were utilized, the first step was establishing the criteria for classification and the second based on resource accessibility by farmers. The criteria used were the proportions of various crop and livestock enterprises and resource endowment. The process came up with eight farm t...
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Journal of Agricultural Extension and Rural Development, 2015
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Tropical and Subtropical Agroecosystems
Background: Growing of trees on-farms has contributed significantly in easing pressure on the Kak... more Background: Growing of trees on-farms has contributed significantly in easing pressure on the Kakamega–Nandi Forest Ecosystem. There are however concerns that Eucalyptus species is becoming the dominant tree in this landscape and may have adverse effects on the environment. Objectives: To determine the trade-offs in tree species selection and carbon offsets on farms in the margins of the Kakamega - Nandi Forest Ecosystem. Methodology: It employed a nested experimental design where the study area was divided into three 3x1 km sentinel blocks. Three different landscape models were chosen: Eucalyptus dominated tree stand, mixed tree stands and pure native tree stands. A sample plot comprised a main plot of 20m by 10m plot for measuring trees with a diameter at breast height (DBH) ≥ 10 cm, a sub-plot of 10m by 5m nested within the main plot for measuring saplings and shrubs of DBH less than 10cm. Data was collected on tree species type, stem DBH for trees, tree height, counts of trees, ...
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International Livestock Research Institute, Mar 1, 2014
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African Crop Science …, 2003
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Plant Health Progress
Cucurbit aphid-borne yellows virus (CABYV, genus Polerovirus, family Luteoviridae) causing cucurb... more Cucurbit aphid-borne yellows virus (CABYV, genus Polerovirus, family Luteoviridae) causing cucurbit aphid-borne yellows disease (CABYD) in groundnut (Arachis hypogaea), is characterized by interveinal yellowing symptoms in leaves. CABYV is transmitted by Aphis gossypii, Myzus persicae and Macrosiphum euphorbiae. CABYV causes up to 80% yield loss but there is no information available on its occurrence, serological and molecular characteristics in groundnuts. Two disease diagnostic surveys were conducted during the short and long rain seasons of 2020 and 2021 in Bungoma, Busia, Kakamega and Siaya counties growing groundnut. Disease incidence and severity was scored and data collected analysed using R Software. Serological bioassays were done using TAS-ELISA and positive samples pooled then processed with the transposon-based chemistry library preparation kit (Nextera XT, Illumina). Phylogenetic analyses and comparisons were performed using the MEGA X software. The short rains season r...
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KIBU, Jun 13, 2019
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International Journal of Advanced Research
Agriculture is one of the optional subjects done in secondary schools in Kenya. This suggests tha... more Agriculture is one of the optional subjects done in secondary schools in Kenya. This suggests that students enrolment in the subject is influenced by a number of factors. This study aimed to establish teacher related factors influencing enrolment in agriculture in secondary schools in Kakamega North Sub-county, Kakamega County, Kenya. The study which was anchored on Behaviorism learning theory and Connectivism learning theory adopted correlational research design and descriptive survey design. The population for the study consisted of school principals, school career masters, agriculture teachers, form three students and Parents. Purposive and stratified random sampling was used to select twenty (20) schools, twenty (20) Principals, twenty (20) career masters, twenty (20) agriculture teachers, 300 form 3 students and twenty (20) Parents Teachers Association (PTA) members. Data from the respondents was collected using questionnaires and interview schedules, while observing the necess...
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Journal of Agriculture and Veterinary Science, Jul 1, 2016
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Academic Journals, Dec 31, 2010
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Papers by FRANCIS MUYEKHO