Working Document Series Open Access Measuring Maize (Zea mays L.) Genetic Coefficients for Modeling Water-Limited Potential Yield and Yield Gaps in the Wami-Ruvu River Basin, Tanzania: An Overview S.K. Mourice · A. Nyambilila · C.L. Rweyemamu · S. Tumbo This research establishes observed data for validating an artificial neural network model for estimating the cultivar coefficients for the popular maize varieties in Tanzania. The genetic coefficients are fundamental in calibrating the DSS… RUF-31925 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Effect of Leaf Leachate of Prosopis Juliflora (Swartz DC) and Acacia Raddiana (Brenan) on Early Growth of Sorghum Sudanense (Piper Stapf) Mustafa Hasabelrasoul Fadlelmula · Ali Rona Abdallah Bushra Prosopis juliflora (Swartz) DC provokes contradictive allegations on its ecological significance. To contribute in elucidating the dispute on its allelopathic behaviour, leachate was extracted from the leaves of both P. juliflora and Acaci… RUF-31910 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Susceptibility of some Varieties and Breeding lines of Tomato to Liriomyza spp. infestation in Central Sudan Dominique Bordat · M.A. Elameen Eltoum · M. Elamin Elamin · E.E. Faiza Salah +1 more Tomato crop in the central Sudan is liable to heavy infestation by the leaf miners, Liriomyza spp. Field experiments indicated significant differences in varietal susceptibility of varieties and tomato breeding lines to Liriomyza spp. The … RUF-31902 2012 CC BY 4.0 12 May 2014
Theses & Dissertations Open Access Soybean Rust Diversity and Adaptation of Elite Soybean Lines to the Ugandan Environment Tonny Obua Soybean rust (Phakopsora pachyrhizi Sydow) is a major threat to soybean production worldwide. The objectives of this study were to; a) assess P. pachyrhizi diversity in the major soybean growing areas of Uganda usin SSR markers; b) assess … RUF-31686 2013 CC BY 4.0 26 Feb 2014
Theses & Dissertations Open Access Comparison of Surface and Drip Irrigation Regimes for Banana (Musa AAA) cv. Grand Nain in Gezira, Sudan Ahmed Babiker Ahmed Khalifa The experiment was established in the Horticultural Research Centre Farm, Agricultural Research Corporation, Wad Medani, Sudan during16th November 2009 and 16th October 2011. The soil used on the experimental site is silty clay loam soils … RUF-31642 2012 CC BY 4.0 24 Dec 2013
Working Document Series Open Access Overview of Impact Indicators of Soybean Rust Resistant Varieties on Uganda's Economy B. Bashaasha · R. Kawuki · D. Nanfumba · T. Obua +1 more Herein, we document the contribution of soybean (Glycine max) genetic improvement to the economic changes at the community level in Uganda. We have illustrated the case of soybean rust, which has been, and continues to be the greatest obst… RUF-31636 2012 CC BY 4.0 13 Nov 2013
Working Document Series Open Access Impact of Farm-Gate Price on Food Security in Ludewa District of Iringa Region, Tanzania F.T.M. Kilima · B. Maonga · M.B. Mbise · B. Mloza +2 more Tanzania is not drought prone, but food insecurity in the country is both transitory and chronic in nature. Agriculture which is the backbone of the country’s economy is the main sector that can solve the problem of food insecurity especia… RUF-31615 2012 CC BY 4.0 24 Oct 2013
Journal articles Open Access Identification of Near-Isogenic Lines Resistance to Rice Yellow Mottle Virtus R. Akromah · A. Jaw · M.N. Ndjionndjop · Y. Séré Rice yellow mottle virus (RYMV) is a serious disease in rice production in the lowland and irrigated ecologies. A study was conducted to examine the resistance of rice (Oryza sp.) lines RYMV. One hundred near-isogenic lines (NILs) from BC2… RUF-31588 2012 CC BY 4.0 10 Oct 2013
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 Unravelling the Potential of Sweet Sorghum for Sugar Production in Kenya G. Abayo · M. Dida · P. Okori · C. Olweny Sorghum (Sorghum bicolor (L.) Moench is an important food and increasingly industrial crop and serves as a source for starch and sugars for biofuel production world wide and especially in sub-Saharan Africa. Sweet sorghum (Sorghum bicolor … RUF-31575 2012 CC BY 4.0 8 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 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 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