Working Document Series Open Access Identification of QTL’s Linked for Resistance to Maize Cob Rot Caused by Fusarium graminearum in Tropical Maize G. Asea · P. Gibson · P. Okori · L. Tembo Maize cob rots caused by Fusarium graminearum cause yield losses and quality as a result of produced mycotoxins. Developing varieties resistant to cob rots is an alternative strategy that is practical and provides better insurance for the … RUF-31579 2012 CC BY 4.0 9 Oct 2013
Working Document Series Open Access In-Vitro Determination of Kernel Resistance to Aspergillus flavus and Aflatoxin Accumulation in Groundnut B.R. Ntare · A. Ozimati · P.R. Rubaihayo The study determined the level of resistance to Aspergillus flavus and to accumulation of aflatoxins in potential new breeding sources from ICRISAT Mali and in locally adapted groundnut genotypes commonly grown by Ugandan farmers. Genotype… RUF-31577 2012 CC BY 4.0 9 Oct 2013
Working Document Series Open Access Phenotypic Diversity of Ugandan Pigeonpea landraces and their Reaction to Fusarium wilt in Uganda R. Edema · C.M. Mukankusi · F. Okot This study characterised 68 pigeonpea accessions in terms of morphological traits and resistance to Fusarium wilt. Two broad phenotypic clusters were identified, and 16 appeared to possess some resistance to Fusarium wilt. RUF-31571 2012 CC BY 4.0 8 Oct 2013
Working Document Series Open Access Sorghum Breeding for Improved Productivity, Nutrition and Industrial Use R. Ajambo · G. Asea · R. Bagada · M. Biruma +12 more Sorghum and cereals in general are staple cereals consumed predominantly with little value addition. Consequently, these crops yield low remunerability in the economy of Uganda and many similar countries. The value of cereals such as sorgh… RUF-31569 2012 CC BY 4.0 8 Oct 2013
Working Document Series Open Access Field Screening of Bread Wheat for Partial Sources of Resistance to Stem Rust S. Bhavani · P. Njau · F.M. Nzuve · G. Tusiime The stem rust Puccinia graminis tritici race ug99 (TTKSK) and its variants results into wheat grain losses ranging from 70- 100%. This study was set up at the Kenya Agricultural Research Institute (KARI), Njoro to identify sources of parti… RUF-31552 2012 CC BY 4.0 8 Oct 2013
Working Document Series Open Access Genetic Diversity of Honey Producing Plants under Changing Climate in Southern Nigeria: Need for Conservation to Improve Food Security and Livelihood Option C.V. Nnamani · A.N. Uguru This study was conducted at Southern Nigeria from 2010 to 2011 periods of honey producing seasons. Five honey samples from three states in Southern Nigeria were evaluated palynologically after acetolysis to determine their pollen spectrum.… RUF-31551 2012 CC BY 4.0 7 Oct 2013
Working Document Series Open Access Effectiveness of Macropropagation Technology in Production of Disease Free Banana Seedlings in Central and Eastern Kenya J. Mbaka · R. Muasya · M. Mwangi · Njau Njeri Banana (Musa spp.) is one of the most important food crops that contribute to the food security of the majority small holders in Kenya. However, due to diseases, banana production has not reached its full potential. Fusarium wilt caused by… RUF-31548 2012 CC BY 4.0 7 Oct 2013
Working Document Series Open Access Usefulness of F3 Testcrosses to Identify Bi-Parental Maize Populations with the Best potential for Producing Superior Inbreds G. Asea · R. Edema · F. Nizeyimana Maize is an important crop in the East African region, but continues to be plagued by biotic and abiotic constraints. Genotypes carrying genetic resistance to these constraints in addition to having good agronomic traits are the most desir… RUF-31542 2012 CC BY 4.0 7 Oct 2013
Working Document Series Open Access Resistance to the maize Weevil (Sitophilus zeamais Motsch) among Maize Inbred Lines P. Mugo · S.W. Munyiri · J.K. Mwololo · P. Okori +2 more Maize is a very important crop for small-scale farmers in Africa and also as food and feed resource. Despite this, storage pests cause high quality and quantity losses to the crop. One of the most important storage pests of maize is the ma… RUF-31540 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Stability of Barley Genotypes for Earliness, Resistance to Leaf Scald Disease and Yield in Ethiopia R. Edema · A. Fetien · G. Lijalem Due to the unpredictable rainfall pattern and shorter growing seasons experienced in recent years in Ethiopia, early-maturing barley (Hordeum vulgare) genotypes are preferred by farmers in order to escape moisture stress and to bridge the … RUF-31533 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Assessing the Effectiveness of Pyramided Genes in Conferring Broad Resistance to Bean Anthracnose M. Kiryowa · C.M. Mukankusi · S.T. Nkalubo · H. Talwana +1 more Colletotrichum lindemuthianum is one of the most important constraints to common bean production in Uganda. The fungus is highly variable that single gene resistance alone is not adequate to offer effective and durable resistance among var… RUF-31530 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Genetics of Resistance to Groundnut Rosette Virus Disease among Groundnut Landraces in Uganda R. Edema · P. Gibson · S.I. Kayondo · B.R. Ntare +1 more Groundnut rosette virus disease (GRVD) is caused by a trio of viral components and is a major disease that can cause 100% crop losses in an epidemic situation. Thus, continued effort to develop resistant groundnut cultivars is critical in … RUF-31526 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Improvement of Sorghum for Tolerance to Stress and Increased Production and Utilisation in Kenya S. Gudu · P. Kisinyo Oloo · J. Ochuodho Onyango · J.R. Okalebo +4 more Sorghum is an important food security crop in sub-Saharan Africa, including eastern Africa but grain yields are very low. This is due to the many stresses it goes through during production in addition to use of unimproved genotypes. The ob… RUF-31523 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Variability and Associations of Grain Filling Traits with Grain Yield and Yield Components in CIMMYT Maize Inbred Lines R. Edema · E. Gasura · P. Gibson · P. Okori +1 more Improved grain filling rate and grain filling duration are yield components that have potential to increase maize yield in early maize germplasm. These two factors have not been well studied in maize and thus cannot be easily exploited in … RUF-31514 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Diversity of Finger Millet for Crop Improvement in Uganda I.O. Dramadri · P. Okori · N. Wanyera Finger millet (Eleusine corocana L), though highly nutritious and indigenous to Uganda, has not been fully exploited due to limited breeding efforts, and little information about the diversity existing within the germplasm collection. This… RUF-31511 2012 CC BY 4.0 5 Oct 2013
Working Document Series Open Access Development of Dual-Purpose Sorghum for Grain and Forage S. Chikuta · P. Okori Sorghum varieties have been developed specifically for grain, forage or stem sugar but not for dual-purpose combining grain and forage use. Dual-purpose varieties could be beneficial to the resource-poor farmers by providing grain for huma… RUF-31508 2012 CC BY 4.0 5 Oct 2013
Working Document Series Open Access Characterisation of Selected Sorghum Genotypes in Zambia for Field Traits and Aluminium Tolerance S. Chikuta · M.S. Mwala Sorghum (Sorghum bicolor L.) is a major crop of the hotter and drier regions of the tropics and subtropics grown by resource poor farmers for their subsistence. It can also be cultivated in marginal lands and areas of high rainfall charact… RUF-31507 2012 CC BY 4.0 5 Oct 2013
Working Document Series Open Access Marker Assisted Introgression of Phytophthora capsici Resistance Genes into Locally Adapted Pepper Variety cv. Scotch Bonnet E. Awori · S.T. Nkalubo · G. Tusiime Phytophthora capsici, a soil born fungus, is one of the most important constraint to hot pepper production in Uganda, causing root rot and wilt disease. Current management approaches that are mainly cultural and chemical do not provide ade… RUF-31504 2012 CC BY 4.0 5 Oct 2013
Working Document Series Open Access Harnessing University-NARS Partnership to Breed Climate Change Resilient and Nutrient-Rich Maize Varieties for Africa G. Asea · D.B. Kwemoi · G. Onaga Maize is the most important cereal crop in Sub-Saharan Africa (SSA) and more than 300 million people depend on it for their food security and livelihood. Its production is constrained by the effects of climate change, most importantly drou… RUF-31502 2012 CC BY 4.0 4 Oct 2013
Working Document Series Open Access Emerging Trends and Scenarios for Agribusiness Development in Africa J. Van Rooyen This paper will: Review the roles of agriculture, as defined by the “classic” Johnston-Mellor paradigm, in context of the renewed emphasis on African agriculture and the changed environment in which it functions and conclude on the need f… RUF-31498 2012 CC BY 4.0 4 Oct 2013
Working Document Series Open Access Orienting Higher Education to Support Africa's Agricultural Development E. Adipala · P. Okori Agriculture is Africa’s largest economic sector, representing 15 percent of the total GDP (or more than $100 billion annually). This pivotal sector just like the broader economy is resurging from a lull of no growth that marked the 1970’s … RUF-31496 2012 CC BY 4.0 3 Oct 2013
Working Document Series Open Access Food System Dynamics in Africa: Anticipating and Adapting to Change S. Haggblade · I.J. Minde · D. Tschirley This paper underscores the scope and nature of needed responses to the rapidly changing food systems in Africa. The paper identifies key drivers of this change and estimates their magnitudes. The drivers identified are urbanisation, per ca… RUF-31495 2012 CC BY 4.0 3 Oct 2013
Working Document Series Open Access The Difficult Art of Partnership and Institutional Commitment C.E.S. Larsen This paper looks at two aspects of institutional development in a university setting. It looks at how the design of South – North collaboration may have a bearing on the type of partnership that evolves. And it addresses the issue of how i… RUF-31491 2012 CC BY 4.0 3 Oct 2013
Working Document Series Open Access Dissemination of Agricultural Technologies: A New Approach for Uganda R. Kiyini · M. Mwebaze · Kasimiro Ogwal · J. Okello +2 more Uganda with an estimated current population of 34 million has had many approaches to agricultural extension service delivery but has not realised its potential level of production and productivity in agriculture. One key gap in agricultura… RUF-31489 2012 CC BY 4.0 3 Oct 2013
Working Document Series Open Access Prospects of Agricultural Development in Africa: Implications for Agricultural Education and Training I. Annor-Frempong The status of both food security and human development in Africa is affected by the performance of agriculture. Agriculture does not only determine the availability of food which is the key element for attaining food security; it is also t… RUF-31482 2012 CC BY 4.0 3 Oct 2013