Working Document Series Open Access Impact of degraded acidic soils on nitrogen fixation, and yields of soybean on smallholder farms W. Kollie Soybean is an ideal crop for improving nutrition, food security and plays an important function in the natural ecosystem and agriculture. In Uganda, the crop is produced in the Northern and Eastern regions by smallholder farmers in degrade… RUF-40184 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access Post-harvest losses in tomato market value chain in Namasale sub-county, Amolatar, Uganda G.V. Akejo · C. J. D Obbo Post-harvest losses are among the key constraints affecting farmers in developing countries such as Uganda. This study was designed to investigate the post-harvest losses in the tomato (Lycopersicum, esculentum) market value chain among sm… RUF-40182 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access Adoption of integrated pest management strategy for suppression of mango fruit flies on household welfare in selected counties in Kenya O. A. Ingasia · A. M. Macharia · S.W Onyimbo Horticultural farming is the fastest growing agricultural sector in Kenya. Despite this, the production and marketing of mangoes is hampered by fruit fly infestation that is responsible for high pre and post-harvest losses. To reduce the l… RUF-40174 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access Potato and bean intercropping for improved potato benefits in south western Uganda N. H. Bahati-Kajunju · J. Karungi · M. Kigambo · J. Mugisha +2 more South western Uganda is the hub for potato (Solanum tuberosum L.) production in Uganda, but whose main challenge is diminishing arable land due to human population explosion. Intercropping of potato with popular legume crops appears to be … RUF-40166 2023 CC BY 4.0 22 May 2023
Working Document Series Open Access Challenges and opportunities of seed potato production in south Western Uganda J. Mugisha · S Nabasumba · M. Najjingo Mangheni · P. Pali The potato crop has the potential to greatly contribute to the income and food security of Ugandans, but the yields have remained low at 7.5 t ha-1. The low yields have been attributed to the use of poor quality seed potato recycled from p… RUF-40165 2023 CC BY 4.0 22 May 2023
Working Document Series Open Access Comparative effect of farm yard manure and chemical fertilizer on growth and yield of cabbage in volcanic soils of Northern Rwanda J. Bazimenyera · E. Kwizera In Rwanda, cabbages are facing numerous problems including low soil fertility which leads to their low yield. The main objective of this study was to compare the effects of organic manure and mineral fertilizer NPK (17-17-17) on growth an… RUF-40162 2023 CC BY 4.0 22 May 2023
Working Document Series Open Access Characterization of potato starch isolated from four potatoes varieties grown in Kenya G. O Adoyo · A.K. Buzera · E.G. Nkirote · I. Orina +1 more In Kenya, there is a wide range of variability of potato cultivars with different physical and chemical properties. These differences define the nature of their starch characteristics which influence their suitability for processing. The p… RUF-40146 2021 CC BY 4.0 22 May 2023
Working Document Series Open Access Postharvest darkening of seed coat in common bean: Paths towards breeding for better marketability A. Badji · C. Mukankusi · S. Nkalubo Postharvest darkening (PHD) of seed coat, resulting from the oxidation of proanthocyanidins, is a critical challenge to the marketability of common bean since this characteristic is associated with long cooking time by consumers, thus lowe… RUF-40142 2023 CC BY 4.0 22 May 2023
Working Document Series Open Access Mode of gene action in inheritance of vegetative, floral and leaf yield traits in the African eggplant (Solanum aethiopicum) R. Buteme · P.N Kabod · E.B. Kizito · G. Sseremba Understanding gene actions and how they contribute in the expression of characters is of great importance when devising an efficient selection program through the use of a suitable mating design. This study sought to determine the mode of … RUF-40114 2023 CC BY 4.0 18 May 2023
Working Document Series Open Access Effect of seed size and fungicidal protection of potato seed from different sources on growth and tuber yield in Uganda N. H. Bahati-Kajunju · M. Kigambo · J. Mugisha · J. Nakibuule +2 more Poor seed quality is a major bottleneck to sustainable production of potato (Solanum tuberosum L.) in Uganda. This is primarily due to over reliance on informal seed sources, most of which are characterised by poor seed types and quality. … RUF-40106 CC BY 4.0 18 May 2023
Working Document Series Open Access Determinants of consumer willingness to pay for solar dried traditional African vegetables: Insights from rural households in Tanzania O. A. Ingasia · J. Ochieng · W Yegon Solar dried traditional African vegetable (TAVs) are nutritious and can contribute towards dietary diversity in a household. However, solar drying technology is still new and its consumption is low. This paper examines factors influencing… RUF-40098 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Invasiveness of Calliandra calothyrsus in Ruhande Arboretum in Rwanda P. C. Mugunga · V. Nyiramvuyekure Many plant species are known to be invasive, with power to subdue others plant species within their proximity. The objective of this study was to assess the invasiveness of Calliandra calothyrsus, one of the popular agroforestry shrubs at … RUF-40090 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Assessment of papaya distribution and its production practices in Kenya: A case study of Kiambu, Kitui and Meru counties J. Karanja · A. Kavoo · C Matsuane · F. K Rimberia Papaya (Carica papaya L.) plays a vital role in human diets as a source of minerals and vitamins. Documentation of papaya distribution and its production practices is important for designing farmer training programs on its production pract… RUF-40087 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Plant resistance as a bacterial blight management strategy for cassava: A Review D. Kilalo · J. Muthomi · A. W. Mwang’ombe · J. H Okoth Cassava (Manihot esculenta Crantz) is a major food crop and raw material to the manufacture industry in the tropics. However, the full production potential of this crop has not been realised owing to numerous challenges that plague its pro… RUF-40069 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Insecticidal properties of neem seed extracts: A review L. Gaoqiong · E. K Mutua · M. Mwangi The use of botanical pesticides such as azadirachtin found in the neem seed extract to control insect pests has increased globally due to its ability to maintain ecological safety. The objective of this review was to explore on different w… RUF-40067 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Gross margin comparison between different growth media for potato minituber production S. N. Gbollie · A. M. Kibe · S.M. Mwonga Potato (Solanum tuberosum L.) is the second most consumed food crop in Kenya. Due to numerous production challenges, its yield remains low at 8.6 tonnes/ha compared to global productivity of 40-45 tonnes/ha. This gap in productivity is ass… RUF-40064 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Implications of Somaclonal variation in vitro in crop management: A review A. Emaru · I. B. Rwotonen Soma clonal variation presents an enormous opportunity in the horticultural industry for crop improvement in regards to using stable, heritable variations. The goal of micro-propagation of maintaining genetic infidelity and integrity resul… RUF-40057 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Effect of nitrogen and irrigation management on potato (Solanum tuberosum L.) yields J.J. Lelei · S. F. O. Owido · F. Satognon Nitrogen is the major element that limits potato growth and yield under dry and saturated water stress condition. This study evaluated the effect of nitrogen and irrigation management on potato (Solanum tuberosum L.) yields. Potato has a r… RUF-40054 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Isolation distance as a phytosanitation option for cassava clean seed multiplication in Uganda F. Kasule · S.B. Mukasa · Clever Mukuze · A. W. Mwang’ombe +4 more Cassava brown streak disease (CBSD) caused by cassava brown streak viruses and cassava mosaic disease (CMD) caused by different species of cassava mosaic geminiviruses (CMGs) are the two major viral diseases constraining cassava production… RUF-40044 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access African subsistence farmers’ perceptions on rainfall change trends and adaptation strategies on crop production in Tigray Region, North Ethiopia A. Addisu · D. A. Amwata · D. Olago · S. Oriaso +1 more Water is becoming the most pressing issues for global crop production and food supply and this poses risks on how to feed the rapidly growing global population. The issues of climate and its impacts are now a big challenges for famers that… RUF-40043 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Status of potato bacterial wilt and its management options in Kenya W. Chebet · A. Opiyo Bacterial wilt disease, caused by Ralstonia solanacearum, is an important disease of potato (Solanum tuberosum L). In Kenya, bacterial wilt occurs throughout potato growing regions, affecting close to 70% farms under this crop. The diseas… RUF-40037 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Attitude and experience of smallholder farmers towards potato crop intensification in southwestern Uganda J.G. Agea · R.R. Ainebyona · Gabriel Karubanga · J. Mugisha +1 more In Uganda, potato (Solanum tuberosum L) is a growing lucrative crop particularly in the densely populated rural areas of the country, whose production considerably limited the supply to markets owing to conservative production methods. The… RUF-40034 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access The role of incubation in creating business options for youth and women in beef producing areas of Uganda M. Katta · B Nakaziba · E. Nsadhu · A Segawa +1 more This study reports how incubation contributed to creating alternative income generating business that counteract the detrimental activities of youth and women in the rangelands of Uganda. The youth and women were identified through sensiti… RUF-40025 2022 CC BY 4.0 19 Apr 2023
Working Document Series Open Access Reconnaissance of major challenges affecting poultry farming using participatory epidemiology methods in Jinja District, Uganda C. Adoch · L. Adokorach · T. Asiimwe · C. Ayebazibwe +10 more Herein we report the results of a Participatory Epidemiology (PE) exercise conducted to explore major challenges affecting poultry farming in Jinja District, Uganda. Non probability sampling was used to purposively select 5 commercial poul… RUF-40022 2022 CC BY 4.0 19 Apr 2023
Working Document Series Open Access Carbonized briquettes as a climate smart energy and business option for the beef value chain actors in the cattle corridor of Uganda B Agaba · J Bugeza · N. Kabanda · M. Katta +15 more Deforestation and charcoal burning have devastated forests in Uganda with current rates estimated at 80,000ha annually. One of the options for addressing this is out-scaling the use of carbonized briquettes. This option is attractive becau… RUF-40008 2022 CC BY 4.0 19 Apr 2023
