Working Document Series Open Access Influence of Auxin (2.4-D,NAA and TDZ) on callus induction from different explants of Hibiscus sabdariffa M. K. Mohammed · T. Remaz · F. A. A. Sayed · O. E. Sayeda The production of Hibiscus sabdariffa (Roselle) in Sudan has increased during the last few years mainly by increasing the area under production. The crop is sold in both domestic and foreign markets. It is also important as a natural color… RUF-39345 2018 CC BY 4.0 28 Jul 2021
Working Document Series Open Access Spatial and temporal spread of maize lethal necrosis disease causing viruses and their vectors within the field K. Dora · D.W. Miano · D. Mukunya · R.M. Ngala Maize lethal necrosis disease (MLND) is a viral disease of maize resulting from co-infection of Maize chlorotic mottle virus (MCMV) and any cereal Potyvirus such as Sugarcane mosaic virus (SCMV), Maize dwarf mosaic virus (MDMV) or Wheat st… RUF-39344 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access The currents status of Maize Lethal Necrotic Disease awareness and control in Bomet County, Kenya J. W. Kamau · P. N. Mathew · P.K. Muchemi · W. J. Mwangi +1 more The study aimed at determining the level of awareness about Maize Lethal Necrosis Disease in Bomet County in Kenya. Random sampling method was used to obtain a sample of respondents from a target household population of maize farmers. Stru… RUF-39343 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Transmission pattern of Maize chlorotic mottle virus (Machlomovirus) on maize by Frankliniella williamsi and F. occidentalis (Thripidae) in Kenya R. Gitonga · R. Kahuthia · D.W. Miano · M. Mwangi +1 more Maize chlorotic mottle virus (MCMV) infects maize (Zea mays L) which is a major staple food crop in sub-Saharan Africa, causing yield losses of between 10-15%. When the virus co-infects with maize infecting potyviruses, they cause Maize le… RUF-39342 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Effect of cropping pattern on the incidence of Sorghum downy mildew disease in Uganda M. Biruma · F. Kumi · M. Ochwo-Ssemakula · P.R. Rubaihayo +1 more Sorghum (Sorghum bicolor) is largely grown in Uganda as a subsistence food crop and it ranks as the third most important staple cereal food crop after maize and millet. Sorghum production is challenged by sorghum downy mildew (SDM) disease… RUF-39341 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Occurrence and effect of fall armyworm on maize production in Arapai Sub-County, Soroti District, Eastern Uganda B. Bua · A. Ocwa · N. Opila Maize (Zea mays L) is ranked among the top three crops cultivated and consumed after bananas and cassava in Uganda. However, maize production is currently endangered by the fall armyworm (FAW) outbreak, which if not controlled causes enorm… RUF-39340 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Knowledge dissemination on improvement of traditional complementary foods for proper child feeding J.N. Kinyuru · H.S. Laswai · M.M. Mmari, Traditional complementary foods in most sub-Saharan African countries are deficient in protein, essential minerals and vitamins resulting into sub-optimal growth and increased premature deaths among children below five years of age. Poor q… RUF-39339 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Use of medicinal plant extracts and light sensitization to inhibit conidia growth in aflatoxin producing Aspergillus flavus L.M. Njoki · S.A. Okoth · P.M. Wachira Fungal proliferation causing aflatoxin contamination has been on the rise in Africa due to the adverse changes in climate. Deaths and diseases like cancers have been detected in human beings and animals due to consumption of these toxigeni… RUF-39338 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Distribution and sourcing of fresh fruits and vegetables within Nairobi City County R. Mbeche · J.B. Mukundi Despite a rapidly transiting city, the operational nature of Nairobi City food system is unclear. A sample of retailers, collector agents at farm level, trader aggregators and wholesalers was obtained from survey sites within key markets i… RUF-39337 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Fungal contaminants and aflatoxins in maize from lower eastern region in Kenya S.P. Kuate · D. O. Mbuge · W.M. Muiru · S.T. Mwangi +1 more Aflatoxin outbreaks have been reported in the lower eastern region of Kenya since 1978. These outbreaks have caused a lot of concern as some have led to loss of lives. This study was conducted to assess the extent of fungal contaminants in… RUF-39336 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Gulu University Student-Centered Outreach Model enhanced uptake of research innovations in complementary feeding among rural households in Amuru and Nwoya districts in northern Uganda Okello-Uma Ipolto · P. Nassanga · D. Ongeng comAbstractUniversities are mandated to conduct research on community development challenges, including nutrition challenges, and provide results for uptake. Research in universities is largely conducted as part of student training and the… RUF-39335 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access The impact of human practices on environmental degradation and desertification in Alfula locality of West Kordofan State, Sudan A.A. Hamdon, · E.D.A. Kalthoum, The aim of this investigation was to assess the impact of human practices on environmental degradation and desertification in Alfula locality in West Kordofan, Sudan. The data used in this study were collected through focus group discussio… RUF-39334 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Quality and dissemination of information on restoration of Awoja watershed in Eastern Uganda J.G. Agea · S. Akello · H. Sseguya · N. Turyahabwe Effective restoration of watersheds relies on several factors including quality of information shared and its sharing mechanism. Quality of information is critical in the restoration of common pool resources such as watersheds in most part… RUF-39331 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Status of water quality in the springs of Huye town, Rwanda F. Anyemedu · C.M. Kasanziki The treatment and supply of drinking water in Rwanda is carried out by the Water and Sanitation Corporation (WASAC), a State owned public company. This company is however unable to supply water to all households. Consequently, the non-serv… RUF-39330 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Social collaborative e-Learning Contextual Model M. Agena · D. M. Amitu · F. Otto This paper introduces a contextual model for adopting Social Collaborative e-Learning (SoCeL) in institutions of higher learning. It is based on a study that was conducted in two universities in Uganda to provide a better understanding of … RUF-39329 2018 CC BY 4.0 27 Jul 2021
Working Document Series Open Access Embracing partnership principles in regional and international research collaboration: Theory and practice I. Minde The landscape of development on the African continent is fast changing. There are many more educated Africans in various disciplines today than it were three decades ago. New problems have also emerged that need locally sourced solutions. … RUF-39327 2018 CC BY 4.0 27 Jul 2021
Journal articles Open Access Effect of market information quality, sharing and utilisation on the innovation behaviour of smallholder pig producers S. W. Kalule · J. Mugonya · E.K. Ndyomugyenyi Although pig farming can accelerate Uganda’s economic development, the value chain is undeveloped with poorly organized informal markets. Buyers take advantage of farmers paying low prices, pointing to the poor quality of pigs and pork. Fa… RUF-39326 2021 CC BY 4.0 14 Jul 2021
Journal articles Open Access Gender-based assessment of Science, Technology and Innovations ecosystem in Sudan M. A. Abdelmawla · M. Muna Elhag Science, Technology and Innovations (STI) play a critical role in each of the Sustainable Development Goals (SDG). Despite several STI initiatives to ensure achievement of the 5th Sustainable Development goal on gender equality, the partic… RUF-39318 2020 CC BY 4.0 5 Jul 2021
Journal articles Open Access Treatment Failure and Associated Factors among Individuals on Second Line Antiretroviral Therapy in Eastern Uganda: A Retrospective Cohort Study Deborah Alio · J. Byakika-Tusiime · J. P. Masette Masaba · S. Matekha Background: ART failure is a growing public health problem and a major threat to the progress of HIV/AIDS control. In Uganda however, little is documented on treatment outcomes and their associated factors among individuals on second line … RUF-39315 2021 CC BY 4.0 25 Jun 2021
Journal articles Open Access New sources and stability of resistance to aphids in Cowpea Germplasm across locations in Uganda R. Agaba · I.O. Dramadri · R. Edema · P. Gibson +7 more The cowpea aphid (Aphis craccivora Koch) is an economically important pest, whose feeding effects cause stunting, delayed flower initiation and yield reduction in cowpea (Vigna unguiculata L. Walp). Host plant resistance offers an alternat… RUF-39308 2021 CC BY 4.0 21 Jun 2021
Journal articles Open Access Grazing exclosures increase soil organic carbon stock at a rate greater than “4 per 1000” per year across agricultural landscapes in Northern Ethiopia H. Abrha · N. M. Adem · A. Berhe · Birhane Emiru +9 more The establishment of grazing exclosures is widely practiced to restore degraded agricultural lands and forests. Here, we evaluated the potential of grazing exclosures to contribute to the “4 per 1000” initiative by analyzing the changes in… RUF-39294 2021 CC BY 4.0 15 Jun 2021
Journal articles Open Access Effect of Pre-treatment and Processing on Nutritional Composition of Cassava Roots, Millet, and Cowpea Leaves Flours G. O. Abong · D. C. Kilalo · A. W. Mwang’ombe · M. W. Okoth +1 more Cassava roots, millet and cowpea leaves have short storage life thus the need for simple post-harvest handling and storage protocol to ensure prolonged availability to fully contribute toward food and nutrition security, a major challenge … RUF-39290 2021 CC BY 4.0 7 Jun 2021
Journal articles Open Access Structural diversity consistently mediates species richness effects on aboveground carbon along altitudinal gradients in northern Ethiopian grazing exclosures H. Abrha · N. M. Adem · A. Berhe · Birhane Emiru +8 more Grazing exclosures have been promoted as an effective and low-cost land management strategy to recover vegetation and associated functions in degraded landscapes in the tropics. While grazing exclosures can be important reservoirs of biodi… RUF-39283 2021 CC BY 4.0 7 Jun 2021
Theses & Dissertations Open Access Estimation of the number of negative eigenvalues of magnetic Schrodinger operators in a strip B. Sorowen An upper estimate for the number of negative eigenvalues below the essential spectrum for the magnetic Schr¨odinger operator with Aharonov-Bohm magnetic field in a strip is obtained. Its further shown that the estimate does not hold in abs… RUF-39273 2021 CC BY 4.0 29 May 2021
Journal articles Open Access Assessment of Knowledge Co-production in Adaptation to Rainfall Variability in Kitui South Sub-county, Kenya M. M. Mwatu · K. N. Ondimu · C. W. Recha Aims: This study tried to investigate the extent of knowledge co-production between indigenous farmers and agricultural extension in dry lands. Study Design: The study adopted survey research design where both qualitative and quantitative … RUF-39270 2020 CC BY 4.0 29 May 2021