Theses & Dissertations Open Access On-farm evaluation of orange-fleshed sweetpotato varieties in northeastern Uganda Emmanuel Gilbert. Omiat Orange-fleshed sweetpotato (OFSP) varieties currently represent the least expensive, year-round source of dietary vitamin A available to poor families in Eastern Africa. An on-farm study was conducted in North-Eastern Uganda to assess fiel… RUF-35400 2004 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access Statistical models for yield, pest abundance and disease incidence of tomato Juma William Yabeja Analysis of variance (ANOVA) is one of the general linear models used to nearly unimaginable range of problems in many different disciplines and has been a fundamental method used by plant pathologists and other researchers for analysis of… RUF-35373 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Tree attribute ranking and phenology study: Farmers’ knowledge of trees commonly found on coffee Farms bordering Mabira forest reserve in Mukono District, Uganda Muchelo Ronald Omeli The potential of trees in agroforestry coffee systems to provide goods and services is increasingly recognized as important in improving local livelihoods and reducing the pressure on existing forest resources. There is a lack of informati… RUF-35314 2011 CC BY 4.0 18 Sep 2015
Newsletters Open Access The RUFORUM monthly Newsletter July, 2011: Special monthly edition focusing on SCARDA RUF-35282 2011 CC BY 4.0 17 Sep 2015
Theses & Dissertations Open Access Effects of water stress on antioxidant activity and phenolic contents of African nightshades and their distribution in Kisii and Siaya counties of Kenya Peter Okello Odhiambo Drought is a major abiotic factor limiting crop productivity in many regions of the world. It causes reduction in plant growth, dry matter accumulation and decline in plant water status of the plants and in certain cases interferes with bi… RUF-34879 2015 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Growth and physiological changes of tomato as influenced by soil moisture levels J.N. Aguyoh · C. Imana · A. Opiyo Tomato (Lycopersicon esculentum Mill.), as in most fruit vegetables, is often exposed to stresses either imposed by other organisms (biotic) or arising from imbalance of environmental factors (abiotic). Water management is a key factor tha… RUF-34720 2010 CC BY 4.0 10 Sep 2015
Theses & Dissertations Open Access Effects of phosphorus deficiency on secondary metabolites and distribution of African nightshade in Siaya and Kisii counties, Kenya J. Ogembo Oyaro African Indigenous Vegetables form an integral part of the Kenyan diets, among the most commonly consumed being the African nightshade. These vegetables contain important phenolics that have medicinal values and good health attributes. The… RUF-34701 2015 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Inheritance of resistance to Fusarium root rot in three common bean genotypes P. Gibson · S.T. Nkalubo · P.O. Ongom · P. Rubaihayo Fusarium solani f. sp phaseoli (FSP) is an important disease in Uganda causing in some cases 100% yield losses in beans. The study established the nature of inheritance to FSP resistance in genotypes RWR 719, NABE 14 and NABE 13. A 5x5 ful… RUF-34670 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Farmer - managed trials for evaluation of rhizatech and legumefix in Bungoma district Kenya C. Majengo · W. Ngetich · J.R. Okalebo · C.O. Othieno The nitrogen reserve of agricultural soils must be replenished periodically in order to maintain an adequate level for crop production. This replacement of soil nitrogen is generally accomplished by the addition of fertilizers or as produc… RUF-34615 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Development of a hot pepper root rot and wilt disease management strategy through genetic resistance, chemical application and proper choice of rotational crops E. Awori · S. Nkalubo · P. Tukamuhabwa · S. Tumwekwase +1 more This study seeks to contribute to increased productivity of hot pepper (Capsicum chinense) by incorporating an integrated pest management (IPM) package for root rot/wilt disease (Phytophthora capsici). Pathogen host diversity will be deter… RUF-34591 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Effect of selected arbuscular mycorrhiza fungi on the growth of Calliandra calothyrsus and Sorghum bicolor in eastern Uganda E. Adipala · G. Eilu · C.L. Kizza · J.G.M. Majaliwa +2 more Successful consistent revegetation of drastically disturbed areas throughout the world has been achieved using biological “tools” including mycorrhizal fungus inoculated tree seeds, seedlings, native shrubs, and grass species. However, the… RUF-34583 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Development of aluminium toxicity tolerance system for sorghum in agro ecological region three of Zambia S. Chikuta The overall objective of this study was to characterize selected sorghum varieties for Aluminium (Al) tolerance. The specific objectives were to determine performance of selected sorghum varieties grown in Al prone environments, identify r… RUF-34568 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Assessing the efficacy of pyramided genes in conferring dual and durable resistance to bean anthracnose and root rot M. Kiryowa · C. Mukankusi · S. Nkalubo · H. Talwana +1 more Bean anthracnose (Colletotricum lindemuthianum) and root rots are important diseases of beans in Uganda. The coexistence of both diseases on the crop in farmers’ fields and the ability of these pathogens to overcome incorporated resistance… RUF-34465 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Introgressing resistance to Fusarium root rot in selected farmer preferred Andean bean genotypes from Meso-American line and mapping of associated resistance quantitative trait loci K. Kamfwa · C. Mukankusi · M. Mwala · P. Okori Two populations of beans (Phaseolus vulgaris) from K20 x MLB-49-89A and K132 x MLB-49-89A were assessed for resistance to Fusarium solani f.sp. phaseoli. Additionally, 35 SSR markers were screened for polymorphisism in the parents. The res… RUF-34455 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Characterization of root development in a segregating diploid banana population as a searching basis for resistance to Radopholus similis M. Inamahoro · J. Lorenzen · H. Talwana Plant parasitic nematodes are recognised as the most serious pests of bananas wherever they are grown. Nematodes feed, multiply and migrate inside banana roots causing necrotic and reduced root systems. Genetic resistance to nematodes prov… RUF-34444 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Variability in carotenoid content among introduced yellow-fleshed cassava clones R. Edema · J. W. Kamau · P. W. Njenga Cassava is important in semi-arid Kenya. However, the crop is low in micronutrients including beta-carotene. A total of 129 high beta-carotene cassava clones from the International Institute of Tropical Agriculture (IITA) were established … RUF-34434 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Ethno-botanical and morphological characterisation of cocoyams (Colocasia esculenta L. Schott and Xanthosoma sagittifolum L. Schott) germplasm in Malawi I. R. M. Benesi · F. P. Chipungu · L. Herselman · M. T. Labschagne +1 more Cocoyam accessions of Malawi were characterised using ethnobotany and morphological characters. Thirty above ground qualitative characters were evaluated. The cultivars were identified mainly based on the predominant leaf base and petiole … RUF-34424 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Evaluation of micro and macro propagation techniques of Gerbera (Gerbera Jamesonii) under different conditions A. Igbal · A. Mahmed Ali · A. Mariam Gerbera has gained popularity in the last year in many countries of the world and it is in great demand in the floral industry as cut flower as well as potted due to its beauty, colour, long vase life, and ability to dehydrate after long t… RUF-34408 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Influence of temperature on yield of carrots J. Allemann · G. M. Engelbrecht · N. A. Manosa This study evaluated the influence of temperature on yield and retinol content of two carrot cultivars. Both cultivars yielded higher at lower (10 °C) than higher temperature (18 °C), but retinol content was higher at 18 °C. RUF-34399 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Effects of phosphorus deficiency on secondary metabolites and African nightshade distribution in Kisii, Siaya and Kakamega counties, Kenya J. P. Gweyi Onyango · W. Musila · P. Nawiri · J. Ogembo Oyaro African indigenous vegetables form an integral part of the Kenyan diets, among the most commonly consumed being the African nightshade. These vegetables contain important phenolics that have medicinal values and good health attributes. The… RUF-34074 2014 CC BY 4.0 13 Aug 2015
Journal articles Open Access Combining Ability And Heterotic Orientation Of Selected Zambian Maize Inbred Lines Under Low Soil Phosphorus Conditions Richard Chanda · Lovemore Daka · D. Lungu · M. Mukanga +3 more Maize (Zea mays L.) production in sub-Saharan Africa (SSA) is limited by low availability of soil phosphorus, affecting 98% of maize fields grown by small scale farmers in Zambia. Therefore, developing and releasing P-efficient maize hybri… RUF-33721 2015 CC BY 4.0 29 May 2015
Journal articles Open Access RNAi-mediated resistance to Cassava brown streak Uganda virus in transgenic cassava Titus Alicai · Basavaraj Bagewadi · Claude M. Fauquet · Eliana Gaitan-Solis +5 more Cassava brown streak disease (CBSD), caused by Cassava brown streak Uganda virus (CBSUV) and Cassava brown streak virus (CBSV), is of new epidemic importance to cassava (Manihot esculenta Crantz) production in East Africa, and an emerging … RUF-33713 2011 CC BY 4.0 22 May 2015
Working Document Series Open Access Incorporating Crotalaria Species in Cropping Systems for the Management of Root-knot Nematodes in Indigenous Vegetable Crops in Western Kenya A.K. Kipkoech · J.M. Mbogoh · L. Ngode · P. Njira +2 more There is rekindled interest and increased demand for African Leafy Vegetables (ALVs) by rural and urban dwellers of all socio-economic classes in Kenya. This has stimulated production of these vegetables but their supply has not been able … RUF-32950 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Arbuscular Mycorrhiza and Water and Nutrient Supply Differently Impact Seedling Performance of Acquisitive and Conservative Dry Woodland Species Frans Bongers · Birhane Emiru · Gebrehiwot Kindeya · T.W. Kuyper +1 more Arbuscular mycorrhizal (AM) fungi are known to increase seedling survival and performance through enhancement of nutrient and water uptake. Acacia etbaica, Acacia senegal and Boswellia papyrifera dominate large areas in African drylands. W… RUF-32661 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access High Frequency Adventitious Root and Shoot Regeneration in Recalcitrant Sweet Potato Cultivars M. Ghislain · A. Kiggundu · S.B. Mukasa · A. Sefasi +1 more resistance to weevils through conventional hybridisation has been limited by the lack of resistance sources in the sweetpotato germplasm. The aim of this study was to investigate induction of adventitious shoots which would facilitate gene… RUF-32574 2012 CC BY 4.0 17 May 2014
