Journal articles Open Access Genetic diversity among sorghum landraces of southwestern highlands of Uganda R. Akatwijuka · T.L. Odong · P.R. Rubaihayo Sorghum (Sorghum bicolor L. Moench) is an economic and staple crop in sub-Saharan Africa. The genetic diversity in its germplasm is an invaluable aid for its crop improvement. The objective of this study was to assess the existing genetic … RUF-35946 2016 CC BY 4.0 26 May 2016
Journal articles Open Access Farmer’s perceptions on dual-purpose sorghum and it’s potential in Zambia S. Chikuta · F. Kabi · M. Mwala · T.L. Odong +1 more Food feed crops play a cardinal role in mixed crop-livestock production systems yet views of farmers on their usage are limited. Farmers’ perceptions in predominant sorghum growing areas of Zambia were solicited on socio-economic factors a… RUF-35944 2016 CC BY 4.0 16 May 2016
Journal articles Open Access Assessment of Uganda’s farmers’ perception and knowledge on maize cob rots towards breeding for resistance G. Asea · P. Gibson · P. Okori · L. Tembo Stenocarpella maydis and Fusarium graminearum maize cob rots are two most devastating cob rots in maize which causes yield losses and reduce grain quality as a result of mycotoxins which is produced from this fungus. Developing varieties r… RUF-35878 2016 CC BY 4.0 3 Feb 2016
Journal articles Open Access New sources of resistance to spotted stem borer, Chilo partellus in sorghum J. Kibuka · S. Kyamanywa · M. Mgonja · P.W. Muturi +1 more The lepidopteran Chilo partellus Crambid, an introduced pest in East and southern Africa from Asia, is the most economically important stem borer species infesting cereals in Africa. Chilo partellus causes more than 40% yield loss in sorgh… RUF-35624 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access Novel source of sorghum tolerance to the African stem borer, Busseola fusca C. T. Hash · S. Kyamanywa · M. Mgonja · P.W. Muturi +2 more Sorghum (Sorghum bicolor) is an important cereal food crop in semi-arid tropics, but its productivity is curtailed mainly by insect pests and diseases. The African stem borer, Busseola fusca Fuller (Lepidopteran: Noctuidae), is among the m… RUF-35621 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access Resistance of tropical maize genotypes to the larger grain borer Y. Beyene · S.N. Mugo · S.W. Munyiri · J.K. Mwololo +4 more Post-harvest losses caused by the larger grain borer (LGB, Prostephanus truncatus) aggravate food insecurity among small-scale farmers. Host plant resistance is a method of LGB control which should be prioritized in order to reduce these l… RUF-35615 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access Validation of the use of secondary traits and selection Indices for drought tolerance in tropical maize (Zea mays l.) C. Magorokosho · X. Mhike · P. Okori · Ndlela. Thokozile Breeding progress for drought tolerance in maize has been slow since drought tolerance is a complex trait controlled by many genes. Breeders improving maize for drought tolerance have therefore been using secondary traits and selection ind… RUF-35606 2012 CC BY 4.0 7 Oct 2015
Theses & Dissertations Open Access Temporal population dynamics of stored maize insect pests and efficacy of safer grain protectants in the smallholder sector of Zimbabwe H. Machekano The overall objective of the study was to establish the efficacies of different inert dusts alone and in combination with safer levels of a synthetic pyrethroid or a bio-pesticide as grain protectants. Parallel on-station ecological studie… RUF-35592 2013 CC BY 4.0 7 Oct 2015
Theses & Dissertations Open Access Morphological characteristics, growth and yield of elite grain and leaf Amaranth in Northern Tanzania Omary Ijumaa Mbwambo Amaranth is considered one of the most commonly produced and consumed indigenous vegetables on the African continent. In Tanzania amaranth constitutes about 6% of total hectares of vegetable planted annually. The genus consists of nearly 6… RUF-35348 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Evaluation of physiological and agronomic responses as screening techniques for yield and water stress tolerance in wheat Cultivars In Tigray, Ethiopia Mohammed Mebrahtu Mossa Water stress is one of the major environmental factors that inhibits metabolic processes and constrains plant growth and crop productivity in the majority of agricultural fields. Wheat is generally grown on arid-agricultural fields and wat… RUF-35334 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access S1 and S2 selection of Longe 4 maize variety for tolerance to low soil nitrogen in Uganda G. Asea · R. Edema · P. Gibson · P. Namugga Low nitrogen is a major environmental stress leading to low yields in maize. Identification of varieties able to perform well under low soil N is of great significance to the resource poor farmers in the country especially when input costs… RUF-35227 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Genetic diversity in maize landraces for resistance to Chilo partellus in Kenya P. Gibson · S.N. Mugo · S.W. Munyiri · J.K. Mwololo +2 more Yield losses in maize associated with stem borer damage is estimated at 13% annually in Kenya. New sources of resistance to stem borers are needed to develop germplasm for the diverse maize growing ecologies. This study was conducted to es… RUF-35223 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Genetic variability of soybean for yield and yield components under irrigation conditions of Gezira, Sudan Yousif Balla. Mohamed · I. Seifeldin Elrayah A field experiment was conducted to study the genetic variability among 21 soybean verities at the Gezira Research Station Farm, Sudan for two successive seasons in 2009 and 2010. Six traits were studied including grain yield/ha, days to 5… RUF-35217 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Comparison of selection indices for drought tolerance in common beans for the dry environments of Tanzania N. Lwiyiso Kilasi · M. Mwala · S. Nchimbi-Msolla This study assessed yield performance of common bean genotypes under different levels of drought stress (waster stress periods). Subsequently, drought susceptibility index (DSI), sensitivity index (SI) and drought intensity index (DII) wer… RUF-35211 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Inheritance of resistance to maize weevil Sitophilus zeamais (Motschulsky) in maize inbred lines and determination of their heterotic groups G. Asea · M.K. Gafishi · J.K. Tumutegyereize Maize weevil Sitophilus zeamais (Motschulsky) is a pest of maize causing serious losses to resource-poor farmers in the tropics. To combine resistance to Maize Weevil with high yield in maize, 52 inbred lines reported to harbor resistance … RUF-35203 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Soil micronutrient supply and grain quality for human nutrition in selected parts of Morogoro, Tanzania M.L.E. Imakumbili · J.M.R. Semoka · E Semu Soils worldwide have become depleted of micronutrients. This has resulted in an increase in micronutrient deficiency diseases for people consuming micronutrient poor foods as a sole source of nutrition. This study was carried out to determ… RUF-35135 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluating the benefits of action learning processes in driving integrated soil fertility management benefits among smallholder farming communities in Zimbabwe R. Chikowo · P. Mapfumo · T.C. Mashavave · F. Mtambanengwe +1 more The widespread fragmented adoption of improved soil fertility management options among smallholder farmers can partly be attributed to poor diffusion of acquired knowledge. Using participatory action research approaches, a study was conduc… RUF-35077 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Influence of soil fertility management on Striga seed bank dynamics and grain yield of sorghum in semi arid areas G. Chemining’wa · A. Kudra · R.N. Onwonga · K.P. Sibuga The parasitic weed Striga poses a serious threat to cereal production in sub-Saharan Africa. Infestation usually results in significant yield losses, quite often over 70%. Many control options have been reported but, the effect of soil fer… RUF-35067 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Estimation of consumer preferences for cowpea in Uganda T.S. Hyuha · J. Mundua · B. Tayebwa This study conducted in eastern Uganda, assessed consumer and market vendors preferances for different cowpea varieties grown in Uganda. Both consumers and market vendors prefered large white seeded grains. The study recommends adding valu… RUF-34983 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Analysing legume market chains to enhance livelihoods and environmental systems within maize-based farming systems in Malawi V. Kabambe · A. Kabuli · P. Mapfumo This paper analyzes the marketing of legumes in Malawi with special focus on the seed supply chain, the actors, activities, and the business environment that the commodity goes through as it moves from producers to buyers and consumers. Th… RUF-34894 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Effects of cowpea leaf harvesting initiation time on yields and profitability of dual-purpose sole cowpea and cowpea-maize intercrop J.N. Aguyoh · F. M. Itulya · S. Mwanarusi · G. Owour Dual-purpose cowpea production is a common component of many tropical and sub tropical subsistence farming systems. However, limited information exists on effects of leaf harvesting initiation time on yields and profitability of dual-purpo… RUF-34752 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of nitrogen and phosphorous rates and sources on grain and forage yield of maize in river Nile State A. Abd Elrahman · Ezeldeen Ahmed The study was conducted at two locations, namely, Hudeiba Research Station Farm (moderately fertile soil) and Matera (poor soil) in River Nile State for two seasons between 20082010. The objective of the study was to investigate the effect… RUF-34716 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Test of AquaCrop model in simulating biomass and yield of water deficient and irrigated barley Kebede Afewerk · Alemie Araya With the current water shortage in Eastern Africa, improving crop water use is vital especially in the arid and semi-arid regions of Ethiopia. To understand the response of barley (Hordeum vulgare) to water and to simulate the biomass and … RUF-34709 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Characterisation of micronutrient (zinc and iron), dense tropical maize hybrids grown in two different environments in Zambia L. Sinyinda Iron and zinc deficiencies that are prevalent in most sub-Saharan African countries have been attributed to the low grain micronutrient levels in local varieties. The study characterised micronutrient (iron and zinc) dense maize germplasm … RUF-34697 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Evaluation of water productivity for maize under drip irrigation J.J. Kashaigili · H. Mahoo · F.R. Silungwe, F.R. A drip system operating under deficit irrigation was used to evaluate water productivity (WP) of TMV-1 maize variety in Morogoro, Tanzania. A block was divided into four sub-blocks; and each randomly assigned with deficit treatment (T1, T2… RUF-34693 2010 CC BY 4.0 10 Sep 2015
