Working Document Series Open Access Protein nutritional quality of soy fortified complementary flours from Western Kenya E.H. Kamau · C.A. Serrem · F.W. Wamunga Protein Energy Malnutrition accounts for 50% of the annual deaths of children aged below 5 years. Complementary foods for such young children should be protein efficient and nutrient dense. Compositing complementary flours with legumes of … RUF-34147 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Essential oils of Cupressus lusitanica and Eucalyptus saligna as fumigants of stored product insect pests: The hope of the future for small-scale farmers P.K Bett · A.L. Deng · S.T Kariuki · J.M. Mihale +3 more Laboratory studies were conducted in the Biotechnology Laboratory, Egerton University, Kenya to determine fumigant activity (space and grain fumigation) of essential oils of the Mexican cypress (C. lusitanica) and Sydney blue gum (E. Salig… RUF-34135 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Food losses and waste in the context of sustainable food systems J. Ambuko Although accurate estimates of losses and waste in the food system are unavailable, the best evidence to date coming from Food and Agricultural Organisation (FAO) indicates that approximately 1.3 billion tonnes per year (one-third of the f… RUF-34124 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Response of introduced soybean varieties to inoculation with rhizobium in Sud Kivu province, Democratic Republic of Congo A.A. Angelani · K.D. Bamuleke · B.J. Bashagaluke · B.L. Shukuru +1 more Soybeans are a major source of protein; they contribute to combating malnutrition especially among children. They play very important roles in NRM because they contribute to biological nitrogen fixation through the inoculation with rhizobi… RUF-34121 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Effect of farming practices on the occurrence of scab of wheat and its management through cultivar resistance C.K. Mutegi · J.W. Muthomi · R.D. Narla · N.K. Njeru +2 more A survey was carried out in Nakuru and Narok Counties at hard dough stage and at harvest. A semi structured questionnaire was used to collect information on wheat production practices. Fusarium head blight incidence and severity in each fa… RUF-34118 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Floristic characterisation of Lake Chilua and Chiuta plains as outbreak areas of red locust in Mozambique T. F. Chiconela · F.T.A. Tembe The red locust (Nomadacris septemfasciata Serville) is one of the most devastating migratory pests of crops in several African countries south of the equator. It originates from small areas characterised by a mosaic of tall and short grass… RUF-34103 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Comparison of quality attributes of mango fruits produced from two contrasting agro-ecological zones of Kenya J. Ambuko · L. Ouma · W.O. Owino · S. Shibairo Mango (Mangifera indica) is a tropical fruit adapted to a wide range of agro-ecological conditions. In Kenya, mango fruits are produced across various agro-ecological zones (AEZs); from sub-humid to semi-arid. The diverse production condit… RUF-34096 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Role of agronomic practices on the occurrence of Fusarium head blight of wheat C. Mutegi · J. Muthomi · R. Narla · O. Okumu +1 more Fusarium head blight is a disease of small grain cereals that reduces yield and causes mycotoxin contamination. The role of agronomic practices on the occurrence of wheat agronomic practices was studied. In the experiment, a survey to dete… RUF-34088 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Pesticide use for management of aphids and viral diseases in passion fruit J. Karungi · M. Ochwo-Ssemakula · A. Olango · P. Sseruwagi Passionfruit viral pathogens limit passionfruit production and are non-persistently transmitted by aphid vectors, the diseases can reduce orchard life span to only a year resulting to 100% yield loss. 50-100% loss due to biotic stresses ha… RUF-34086 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Combining ability and gene action in a diallel cross of eight sesame genotypes P. Gibson · W Okello-Anyanga · P.R. Rubaihayo · P. Tukamuhabwa An 8 x 8 diallel cross mating design with the parents and F1s excluding the reciprocals was used to estimate gene action and combining ability analysis for yield and some yield components in sesame (Sesamum indicum). These genotypes were e… RUF-34073 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Biofficacy of lion’s ear and African basil extracts in management of adult twospotted spider mite on french beans J. G. Nyaanga · S. O. Ochola · K. O. Ogayo · J. O. Ogendo +2 more Methanol extracts of Lion’s ear, Leonotis nepetifolia L. (LN) and African basil, Ocimum gratissimum L. (OG), were evaluated for their toxic and ovicidal effects against the female adult two-spotted spider mite, Tetranychus urticae Koch. La… RUF-34061 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Role of soil and crop residues as sources of inoculum for Fusarium head blight of wheat C.K. Mutegi · J.W. Muthomi · N.K. Njeru · J.M. Wagacha A field survey was carried out in Narok County, Kenya, at hard dough growth stage (GS 65- 69) during the 2013 cropping season and sampling done in 51 wheat farms in different agroecological zones. Samples of soil and crop residues were col… RUF-34060 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Aphid transmission and alternate hosts of Passiflora chlorotic mottle virus in Uganda J. Karungi · M.N. Nantale · M. Ochwo-Ssemakula · P. Sseruwagi This research established aphid vectors and alternate hosts of Passiflora chlorotic mottle virus in Uganda. Aphids and host plants were collected from farmers’ fields in major passion fruit growing districts in Uganda. Transmission tests w… RUF-34058 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Inheritance of resistance to Brown Spot Disease in upland rice in Uganda J. Lamo · M.Marco Mwendo · M. Ochwo-Ssemakula Low yields in rice (Oryza sativa) are attributed by many factors including diseases which represent one of the main constraints. The Brown spot disease (caused by Helminthosporium oryzae) in most rice growing areas cause’s considerable los… RUF-34048 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Effect of organic and inorganic sources of nitrogen on growth, seed yield and oil content of sunflower grown in highly weathered soils in Morogoro - Tanzania G. Chemining’wa · J. Kinama · I.A. Mwahija · A. Nyambilila Sunflower contributes about 40% of total national cooking oil requirement, ranking as one of the most important cooking oil with very high nutritional value in Tanzania. However, its production per unit area ranges between 800 to 1100 kg/h… RUF-34044 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Selection for multiple disease resistance in bush snap bean lines developed in Kenya P. M. Kimani · M. M. Mulanya · R.D. Narla Production of snap beans (French beans, Phaseolus vulgaris L.) in Kenya is severely constrained by diseases. Use of fungicides increases cost of production, reduces profitability and competitiveness of snap bean in domestic and export mark… RUF-34035 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Effects of ethephon and potassium nitrate on off-season flower induction in mango J. Ambuko · M. Hutchinson · S. Maloba · W.O. Owino Mango (Mangifera indica) fruit production in Kenya is seasonal with peak and off seasons – one of the contributing factors to postharvest losses. Off-season flower induction is a strategy that can be used to address mango seasonality. Mani… RUF-34031 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Role of Universities in development of improved crop varieties, seed production, dissemination and impacts: Case studies of dry, canning, snap and runner beans, pigeonpea and onions P. M. Kimani Mandates of universities in east, central and southern Africa have considerably changed from their traditional teaching and research roles, to greater active involvement in the development agenda of their countries, a phenomenon referred t… RUF-34029 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Evaluation of the repellent effects of four chemicals in the control of red-billed in rice in chókwè irrigation scheme T. F. Chiconela · A. K. Ngazero Red-billed (Quelea quelea) is one of the most damaging pests of rice in Mozambique. For its control, smallholder farmers rely on different frightening techniques to scare birds from their crops. Apart from providing a temporary relief, thi… RUF-34026 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Breeding runner bean for grain yield, disease resistance and short-day adaptation in eastern Africa P. M. Kimani · M. M. Mulanya · R.D. Narla Although runner bean (Phaseolus coccineus L.), also known as butter bean, is grown in high altitudes of eastern Africa where common bean (Phaseolus vulgaris L) is adapted, its productivity is poor because no improved short-day varieties ar… RUF-34025 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access The use of rice and fish polyculture in rice fields to improve rice yields hence food security in Bunyala - Kenya F.W. Kariuki · A.N Leguuto Rice is an important food crop in Kenya’s drive to attain food security. However, its productivity remains low against an overall increase in national demand due to overdependence on rice monoculture leading to decline in soil fertility re… RUF-34024 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access A comparative evaluation of maturity indices of mango fruits produced in two contrasting agro-ecological zones of Kenya J. Ambuko · M. Hutchinson · J. Njuguna · L. Ouma +2 more Harvesting mango (Mangifera indica) fruits at the right stage for the destination market and use requires reliable maturity indices. There are various indices that are used to determine harvest maturity for mango fruits. However, differenc… RUF-34021 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Row covers for management of insect-vectored viral diseases of tomato in Uganda H. Jurua · J. Karungi · M.K.N. Ochwo-Ssemakula · P. Sseruwagi Tomato production in Uganda is constrained by among others use of low quality planting materials, non-availability of inputs, sub-optimum agronomic practices, pests and diseases. Studies have shown that viral diseases have quickly become a… RUF-34016 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Seed-borne fungi of chilli pepper in the Coastal savannah zone of the central region of Ghana E. Afutu · O-A. Danquah · Y. Opoku-Asiamah Many chilli pepper (Capsicum frutescens) growers in the region have moved from chilli cultivation to other crops due to the continuous decline in yields as a result of disease problems, of which fruit rot is paramount. The study was carrie… RUF-34004 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Estimating prevalence of brucellosis in livestock and assessment of knowledge, attitudes and practices of respective communities in baringo county, Kenya L.C. Bebora · S. Kiambi · P. Kitala · P.K. Kosgei +1 more Brucellosis is an infectious, contagious and important zoonotic disease caused by bacteria of genus Brucella. World Health Organization considers brucellosis the most spread zoonosis in the world. Brucellosis has been documented to be high… RUF-34003 2014 CC BY 4.0 12 Aug 2015
