The National Research Repository of Uganda - NRU

Welcome to the National Research Repository of Uganda, abbreviated as "NRU". NRU was established in 2021. NRU is a collection of scholarly output by researchers from the UNCST Community, including scholarly articles and books, electronic theses and dissertations, conference proceedings, journals, technical reports and digitised library collections. It is the official Institutional Archive (IA) of UNCST.

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For information about the publishers' copyright policy on archiving your articles online or in an institutional archive, visit the Sherpa Site at http://www.sherpa.ac.uk/romeo.php The site gives a summary of the permissions normally given as part of each publisher's copyright transfer agreement. If you wish to publish your research findings in the NRU, please contact NRU administrator at admin@uncst.go.ug for details. NRU operates both open access and closed access models. Access to fulltext has been restricted in adherence to the UNCST Intellectual Property Rights (IPR) and Copyrights policies.

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Africa Portal is an online repository of open access library collection with over 3,000 books, journals, and digital documents on African policy issues. This is an initiative by the Centre for International Governance Innovation (CIGI), Makerere University (MAK), and the South African Institute of International Affairs (SAIIA). Please visit the Africa Portal at http://www.africaportal.org/library.

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Recent Submissions

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Older people’s conceptualisation of poverty and their experiences of government programmes in Uganda
(Development in Practice, 2019-12-03) Kabuye, Rosette; Mukasa, Norman
This article explores older people’s understandings of poverty and analyses their experience of government policies for fighting poverty. It employed qualitative methods, including focus group discussions and key informant interviews. A total of 120 older people in two districts in Uganda participated in the study. Based on thematic analysis and observation of non-verbal communication, older people’s perspectives on poverty included a wide range of deprivations in their household. Findings reveal that there is a lack of legislation support and effective information for old people to demand accountability or influence policy strategies to address poverty. Despite the difficult living conditions of older people in poverty, the majority live independent lives, are self-reliant and use a variety of strategies to address poverty. Therefore, there is a need for scrutiny to ensure that poverty alleviation support reaches those who need it most.
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Fruit Traits associated with Resistance to Fruit Pests of Hot Pepper
(MUJAES, 2021-07-03) Ssekkadde, P.; Ribeiro, C.S.C.; Ochwo-Ssemakula, M.N.; Tukamuhabwa, P.; Karungi, J.
Thirty-seven local and fourteen exotic hot pepper (Capsicum spp.) genotypes were screened under natural field conditions for resistance to two quarantine fruit pests; the fruit fly (Diptera: Tephritidae) and the false coddling moth (Lepidoptera: Tortricidae) at Makerere University Research Institute Kabanyolo for two seasons. The genotypes were grown in a randomised complete block design with three replications. Data on pest occurrence and damage; and fruit traits (fruit weight, length, width, flesh penetrability, and fruit wall thickness) were subjected to analysis of variance. The 51 genotypes showed variation in pest infestation and fruit traits. Five local genotypes (UG-WE02-1014, UG-WE02-0711, UG-EA06-0515 and UG-WE02-1608) and one exotic (CAP0408-12) showed resistance to fruit fly infestation. Fruit fly infestation correlated highly with fruit weight (r=0.59, p<0.001) and width (r=0.63, p<.001), among others. Similarly, FCM infestation positively correlated to fruit weight (r=0.50, p<0.001) and width (r=0.50, p<0.001). The identified hot pepper genotypes with resistance to fruit fly and FCM can be used in hot pepper improvement programs
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Pasting Properties of High-quality Cassava Flour of some selected improved Cassava Varieties in Tanzania for Baking
(African Journal of Agricultural Research, 2023-01-03) Mikidadi, Abubakar; Wasswa, Peter; Masumba, Esther; Edema, Richard; Tulkamuhabwa, Phinehas; Kayondo, Siraj; Ongom,Patrick
Partial substituting wheat with high-quality cassava flour (HQCF) in bread making would be economically beneficial in Tanzania. However, cassava varieties with the best pasting quality for this use are unknown. In addition, the appropriate time of harvesting the varieties to attain the best pasting quality is also unknown. This study, therefore, aimed at identifying the most appropriate cassava varieties and their appropriate harvesting time that could be used for production of HQCF for baking bread. Nine improved cassava varieties namely Kiroba, Mkuranga1, Pwani, Chereko, Mkumba, Hombolo, Orela, Kizimbani and Kipusa and two local varieties, Albert and Kibandameno were planted in 2020/2021 and 2021/2022 seasons at TARI-Ukiriguru using a split plot design. Harvesting was done at 10 and 12 months after planting (MAP). Pasting characteristics of the HQCF samples were determined at the International Centre of Tropical Agriculture, Dar es salaam, Tanzania using Perten Rapid Visco Analyzer (RVA) Tecmaster equipment, Model: N103802. The results indicated that KIPUSA had the lowest significant setback, while Hombolo had the highest significant setback both at 10 and 12 MAP suggesting that HQCF produced from KIPUSA should be considered for partial substitution of wheat in baking bread that is attractive to consumers.
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Regeneration Procedure for Three Arachis hypogaea L. Botanicals in Uganda through Embryogenesis
(Br Biotechnol J, 2015-05-06) Okello, D. K.; Akello, L. B.; Tukamuhabwa, P.; Odong, T. L.; Deom, C. M.
A procedure was developed for embryogenesis from embryo explants derived from mature seeds of freshly harvested Serenut 4T, Serenut 1R and Acholi-white groundnut cultivars representing the three broad groundnut botanical classifications. This study explored the use of mature embryo axes as explants for somaticembryogenesis, and determined the factors that affect regeneration of three Ugandan groundnut cultivars. Freshly harvested mature seeds of the three groundnut cultivars were collected and the embryo explants were initiated on 3 media namely; Murashige and Skoog (MS) basal media with varying concentrations of the growth regulator 2,4-Dichlorophenoxy acetic acid (2,4-D); Chu N6 basal medium with vitamins (N6); and Callus Induction Medium (CIM). The shoot formation and elongation medium contained MS basal medium supplemented with indolebutyric acid (IBA) and 6- Benzylamminopurine (BAP) in isolation, and BAP in combination with a-naphthaleneacetic acid (NAA) and indoleacetic acid (IAA). For root induction, elongated shoots were transferred to MS medium supplemented with various combinations of NAA with IBA, BAP and a combination of IBA and Kinetin. Different concentrations of 2,4-D elicited different callogenesis responses in the cultivars with Acholi white (Valencia botanical) and Serenut 4T (Spanish botanical) giving the optimal response at 5mg/l whereas Serenut 1R (Virginia botanical) showed best response at a concentration of 30 mg/l. N6 and CIM supported callogenesis in Acholi white (AW) and Serenut 4T only. In all cultivars, maximum root production was gained when using MS medium supplemented with NAA- 1 mg/l and IBA -2.0 mg/l. On the other hand, for Serenut 1R and Serenut 4T, BAP 2.5 mg/l; NAA 0.5 mg/l combination yielded higher shoot regeneration percentage whereas for AW BAP 3 mg/l; NAA 0.5 mg/l supported maximum shoot production.This is the first ever report of successful regeneration of the three groundnuts botanicals in Uganda. These results are likely to facilitate genetic transformation of three preferred Ugandan groundnut varieties
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Yield Loss Associated with Soya Bean Rust (Phakopsora pachyrhizi Syd.) in Uganda
(Journal of Phytopathology, 2003-01-10) Kawuki, R. S.; Adipala, E.; Tukamuhabwa, P.
Studies were conducted to quantify the yield loss attributable to soya bean rust, a relatively new disease in Uganda. This was carried out for three consecutive seasons in the central, eastern, northern and western parts of the country, using three commercial varieties (Nam 1, Nam 2 and Namsoy 3) and two elite varieties (UG-5 and GC-00138-29). The commercial varieties recorded higher yield losses (26.9–36.3%) and higher rust severities >50%, whereas the elite varieties recorded lesser yield losses of <10% and rust severities of <30%. Yield losses were highest in the central region (22.9%), and lowest in the northern region (15.1%). Yield losses differed significantly between seasons and were associated with reduction in seed weight and filled pod per plant.