Browsing Department of Seed, Crop and Horticultural Sciences by Issue Date
Now showing items 61-80 of 119
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Genetic architecture of maize chlorotic mottle virus and maize lethal necrosis through GWAS, linkage analysis and genomic prediction in tropical maize germplasm
(Theoretical and Applied Genetics, 2019)Maize lethal necrosis (MLN) is a serious threat to the food security of maize-growing smallholders in sub-Saharan Africa. The ability of the maize chlorotic mottle virus (MCMV) to interact with other members of the Potyviridae ... -
Assessment of Effects of Zero and Conventional Tillage Practiceson Soil Moisture and Wheat Grain Yield in Arid and Semi-Arid Landof Laikipia, Kenya
(Water Conservation Science and Engineering, 2019)oil water conservation through tillage is one appropriate way of addressing soil moisture deficit in rain-fed agriculture. Theinfluence of zero and conventional tillage on soil moisture and yield of wheat was investigated ... -
Influence of Herbicides Application as Desiccant on Protein and Sugar Content of Soybean Seed
(Journal of Biology, Agriculture and Healthcare, 2019)Soybean, Glycine max is an annual crop belonging to the family Fabaceae, which has 40% protein, 20% oiland 30% carbohydrate and plays a very significant role in world agriculture. Some farmers hasten the maturity and ... -
Variability in Morpho-biochemical Traits Associated with Pod Borer (Helicoverpa armigera) Resistance in Pigeonpea Pods
(Journal of Experimental Agriculture International, 2019)Pigeonpea contributes to food and nutrition security among poor households in urban and rural areas. Globally it is characterized by stagnant and unstable yield due to its susceptibility to various stresses including ... -
OCCURRENCE OF COMMON BACTERIAL BLIGHT CAUSED BY Xanthomonas axonopodis pv. phaseoli ON COMMON BEAN AND THE INFLUENCE OF DIFFERENT FACTORS ON IT’S INCIDENCE IN UASIN GISHU COUNTY
(Int. J. Adv. Res., 2019)Beans (Phaseolus vulgaris) is a popular legume crop in Kenya, ranking first among the legumes in importance. The production of this crop in Kenya has not kept pace with the demand. Among the main causes for poor ... -
Enhancing Seed Yield and Quality of Nerica by Timely Harvesting
(International Journal of Scientific Research and Innovative Technology, 2019)Rice is one of the new crops in the seed certification system in Kenya. New Rice for Africa (NERICA), which is upland rice, has been developed and four varieties released for multiplication in Kenya. Evaluation of ... -
Modelling Yield Gap Trends of Maize (Zea mays L.) Production under Soil Fertility Stress for Uasin Gishu Plateau Climate
(International Journal for Research in Applied Science & Engineering Technology (IJRASET), 2019)Results of maize yield under fertility stressed conditions were predicted using AquaCrop model by comparing a reference non- fertility stressed field with a stressed condition for levels of soil stress from 5% to 95% ... -
Biochemical composition of pigeonpea genotypes in Kenya
(Australian Journal of Crop Science (AJCS), 2019)Pigeonpea is an important crop in semi-arid tropics and sub-tropics. The improvement and utilization of this crop in East Africa can enhance food and nutrition security. A study was carried out to examine variation in ... -
Prospects of Fungus-Based Biopesticides for Management of Insect Vectors of Maize Lethal Necrosis Disease
(2019)Maize, Zea mays L., production in Kenya is constrained by both biotic and abiotic factors. For instance, maize lethal necrosis (MLN) was first reported in Bomet County in 2011 and has since spread to other maize growing ... -
Analysis of the population structure 2015 Puccinia graminis f. sp tritici (Pgt) in Kenya using simple sequence repeats markers
(International Journal of Agronomy and Agricultural Research (IJAAR), 2019)N Wheat (Triticum astevium) production in Kenya has been severely affected by stem rust Ug99 and its related race groups. The consequence of not controlling this disease is steep decline in the crop production thus ... -
FALL ARMYWORM (Spodoptera frugiperda) INFESTATION: FARMERS’ PERCEPTION, KNOWLEDGE AND DAMAGE IN BUNGOMA AND KERICHO COUNTIES, ITS BIOLOGY AND HOST PLANT RESISTANCE
(University of Eldoret, 2019)Fall armyworm (FAW) is a new and invasive pest causing economic damage to various crops. In maize the yield loss by this pest has been estimated to be 60 %. The pest is mainly controlled using chemical insecticides which ... -
Coffee Production Challenges and Opportunities in Tanzania: The Case Study of Coffee Farmers in Iwindi, Msia and Lwati Villages in Mbeya Region
(Asian Journal of Agricultural and Horticultural Research, 2019)Coffee is one of the most popular cash crops grown in Tanzania. However, its productivity has remained low due to various biotic, abiotic and socio-economic factors prevailing in Mbeya Region. These production challenges ... -
Assessment of the Ploidy Level Diversity by Chloroplast Counts in Stomatal Guard Cells of Potato (Solanum tuberosum L.) Mutants
(Asian Journal of Research in Crop Science, 2019)Aims: Potato (Solanum tuberosum L.) is the most important staple food in the world and plays an important role in food and nutritional security. Induced mutation generates variation within potato germplasm to widen the ... -
EFFICACY OF PLANT EXTRACTS AND EXTRACTING AGENTS AGAINST Colletotrichum gloeosporoides OF PAWPAW FRUITS
(African Crop Science Journal, 2020)Pawpaw (Carica papaya L.) is a fruit crop of economic importance in Kenya, where small scale farmers are the major producers. One factor limiting pawpaw production is anthracnose disease caused by Colletotrichum ... -
Influence of Herbicides on Yield, Weight and Size of Soybean Seed
(Dutse Journal of Pure and Applied Sciences (DUJOPAS), 2020)Soybean, (Glycine max) is an annual crop belonging to the family Fabaceae, which is versatile and useful in the economy as human diet, animal feed and for industrial purposes. However, due to its higher price at the ... -
Impact of Fungal Endophyte Colonization of Maize (Zea mays L.) on Induced Resistance to Thrips- and Aphid-Transmitted Viruses
(Plants, 2020)In eastern Africa, Maize lethal necrosis (MLN) is caused by the co-infection of maize plants with Maize chlorotic mottle virus (MCMV) (Tombusviridae: Machlomovirus) and Sugarcane mosaic virus (SCMV) (Potyviridae: Potyvirus). ... -
Influence of Phosphorus Fertilizer on “Ware” Potato Production in Acid Soils in Kenya
(Sustainable Agriculture Research, 2020)One of the major challenges facing potato (Solanum Tuberosum L) production in Kenya is low and declining yield. This trend is caused by several factors which include low quality and quantity of seed, climate change, ... -
Effect of Cropping System and Nitrogen on Maize and Soy Bean Yields in Western Kenya
(2020)Inherent low soil fertility in the highly weathered and degraded soils largely accounts for low and unsustainable crop yields in most African countries (Okalebo et al., 2006; Sanchez et. al., 1997). Productivity of maize ... -
Genomic Designing for Climate Smart Finger Millet
(Springer Nature Switzerland, 2020)Finger millet is a nutritious cereal crop mainly grown in eastern Africa and southern parts of India. The crop has an incredible ability to adapt to adverse agro-ecological conditions, and is therefore a favorite of ... -
Effect of Harvesting Stages and Nitrogen on Seed Quality and Yield of Jute Mallow (Corchorus olitorius L.)
(International Journal of Horticultural Science and Technology, 2020)Production of high quality seeds in African leafy vegetables has not been practiced due to varying reasons including incorrect harvesting stages and fertilizer rates. Jute mallow (Corchorus olitorius L.) pods do not ...