Working Document Series Open Access Maize streak virus (MSV) diversity in Uganda and the assessment of gene silencing as a tool for development of resistance to MSV B.E. Owor · D.M. Shepherd · J.A. Thompson Through an extensive survey conducted in all maize-growing regions in Uganda as well as the application of gene silencing to develop a novel disease control option for maize streak disease, the diversity of Maize streak virus (MSV) in diff… RUF-32561 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Mechanisms of Resistance in Tropical Maize Inbred Lines to Spotted Stem Borer (Chilo Partellus) S.N. Mugo · S.W. Munyiri · J.K. Mwololo · P. Okori +1 more This study examined the mechanisms of stem borer resistance in CIMMYT tropical inbred maize. Kenya is a producer of maize, but cannot satisfy its domestic needs. The maize stalk borers are among the production constraints that are responsi… RUF-32536 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Generation Mean Analysis for Turcicum Leaf Blight in Ugandan Sorghum M. Abdelbagi Ali · Beshir Mayada M. · P. Okori Sorghum (Sorghum bicolor (L.) Moench) is frequently devastated by Turcicum leaf blight, caused by Exserohilum turcicum, leading to considerable grain and fodder yield losses. However, the mechanism of inheritance of resistance to E. turcic… RUF-32494 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Early-generation Testing for Developing Maize Inbreds with Drought Tolerance and Resistance to Turcicum Leaf Blight and Streak Virus in Uganda G. Asea · B.L. Castiano · R. Edema In maize breeding, test crosses can be done in early stages of selfing or delayed until inbreds are close to homozygosity at F5 or F6. Although early generation testing may be efficient there is need to obtain information on genetic compon… RUF-32455 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Strengthening Science and Technological Capacity in Africa: Engaging Women and youth R.K. Mibey Economic growth depends on the country’s capacity to develop and apply new technologies and innovations.This therefore becomes the ultimate yardstick for measuring the success of nations on how effective their activities improve the lives … RUF-32397 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Spatial Variation of Soil Organic Carbon under the Linear Simultaneous Agroforestry System S. Balaba Tumwebaze · E. Bevilacqua · Russell Briggs · T. Volk Most research on spatial variability of soil organic carbon (SOC) has been conducted in forest and grassland soils, but no research has been conducted on agroforestry soils. Knowledge about the variability of SOC can assist in generating e… RUF-32256 2012 CC BY 4.0 15 May 2014
Working Document Series Open Access Pigeon pea-Groundnut Intercrop Maize Rotation Cropping System: A Tool for Improving Maize Production in Malawi J. Mrema · J.J. Msaky · A.T. Phiri · G.Y.K. Phiri A two year study to investigate how to optimally utilize applied mineral nutrients by maize grown in rotation with pigeon peagroundnut intercrop is under way at Chitedze Agricultural Research Station (S 130 59’ 23.2", E0330 38’ 36.8"). An … RUF-32227 2012 CC BY 4.0 14 May 2014
Working Document Series Open Access Potential Role of Cereal-Legume Intercropping Systems in Integrated Soil Fertility Management in Small holder Farming Systems of Sub-Saharan Africa J.M.M. Matusso · M.W. Mucheru-Muna · J.N. Mugwe The sub-Saharan Africa’s population is growing exponentially and it has to fulfill its food and nutrition requirement. An attractive strategy for increasing productivity and labour utilization per unit area of available land is to intensif… RUF-32039 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Legume Biomass Transfer For Enhancing Productivity of Maize in Striga Infested Farmlands: The Case of Iringa District, Tanzania M. Aloyce · R. Hepelwa · G. Malima · J.J. Msaky +2 more The projects’ major aim was to increase maize productivity in Striga infested soils in Iringa district in Southern Tanzania. Two villages (Mangalali and Kiwere) in which maize is a major crop and in which Striga asiatica is a major prob… RUF-32017 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Improving Maize-Beans Yields Through Improved Soil Moisture Storage using Trapezoidal Bunds and Manure in Machakos County-Eastern Kenya B.O. Danga · B.E. Mochoge · G.S. Openda The tremendous increase in population in Kenya has created the need for faster rate of increase in food production. However, more than 80% of Kenya lies in the arid and semi arid lands (ASALs). To mitigate food shortages in such areas, the… RUF-31997 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Yield and Rain Water Use Efficiency of Maize (Zea mays L.) Under Selected Soil and Water Conservation Technologies in the Central Highlands of Kenya J. Diels · M.W. Mucheru-Muna · D.N. Mugendi · M. Mugwe +4 more A study was carried out to assess the effectiveness of mulching, mbili intercrop, minimum tillage and tied ridging on soil and water conservation and improvement of maize yields under a rainfed farming system. The treatments, in three repl… RUF-31975 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Calibration and validation of AquaCrop Model for Maize in Sub-Humid and semi- arid Regions of Central Highlands of Kenya J. Diels · M.W. Mucheru-Muna · D.N. Mugendi · J. Mugwe +3 more Farmers in the central highlands of Kenya have been experiencing declining crop yields due to low soil water availability caused by low and unreliable rainfall and poor water harvesting techniques. To increase crop yields, and reduce produ… RUF-31961 2012 CC BY 4.0 13 May 2014
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 different tillage methods on soil moisture Dynamics in Maize-bean Cropping Systems in Semi Arid Mwala District, Kenya N. Amuri · C.K.K. Gachene · A.N. Karuma · P.W. Mtakwa Water is an important factor affecting plant growth especially in semi arid areas. A study to determine the effects of tillage and cropping systems on soil surface roughness, moisture storage and maize and bean yields was conducted in semi… RUF-31920 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access NP Fertiliser Rate Response of Maize and Sorghum Succeeding Sole or Intercropped Haricot Beans Tolera Abera The role precursor crops significantly reflected on the preceding crops grown following them. Considering this a trial was conducted to asses the effects of haricot bean varieties grown as sole and intercropped on N/P rate response of succ… RUF-31880 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Effects of NP Fertilisers and Manure Application on Maize-bean Yields, and Soil Nitrogen Mineralisation in Machakos County, Eastern Kenya C. Kibunja · B.E. Mochoge · N. Ogucha The inherent poor fertility of soils in Kenya constitute a major constrain to sustainable smallholders agriculture and more especially in arid and semi-arid parts of the country. The solution herein lies in the efficient use of nutrients a… RUF-31846 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Effectiveness of Bradyrhizobia and Lime on Yield of Groundnuts and Maize Under Intercrop System in Acids Soils of Western Kenya J.K. Ogega · J.R. Okalebo · D.A. Onyango · C. Othieno +2 more Bradyrhizobia is the rhizobia species that fixes nitrogen in the groundnut crop. Soil acidity is a constraint to effective bradyrhizobia activity. Western Kenya is characterised by acid soils and thus unconducive for bradyrhizobia activity… RUF-31842 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Performance of Starter Pigs Fed Malted and Fermented Maize Based Weaner Diets G.A. Beyihayo · D. Mutetikka · M. Nabasirye Two experiments were conducted with the overall objective of developing appropriate diets to permit early weaning for increased productivity and profitability of pig production. Use of malted or fermented maize grain in weaner diets is an … RUF-31761 2012 CC BY 4.0 2 May 2014
Theses & Dissertations Open Access Assessment of Research and Statistical Related Processes in Three Institutions of Higher Learning in Kenya Nancy Waitherero Chege Institutions of higher learning are mandated to conduct applied research and promote innovations among other functions. The purpose of this study was to assess four research and statistical-related processes in three institutions of higher… RUF-31746 2012 CC BY 4.0 9 Apr 2014
Theses & Dissertations Open Access Impact of Tree Species on Maize Productivity by Smallholder Farmers in Eastern Kenya Elton Ndlovu Low maize productivity due to declining soil fertility is a major problem faced by smallholder farmers in Eastern Highlands of Kenya. Adoption of agroforestry which has a huge potential to halt land degradation on farms is however, very lo… RUF-31729 2013 CC BY 4.0 7 Apr 2014
Brochures and Fact Sheets Open Access Masters in Plant Breeding and Seed Systems Plant breeding, relying on judicious use of plant genetic resources for food and agriculture, has supplied adapted crop varieties to many countries across the globe and ensured food security. But because of limited capacity in Sub-Saharan … RUF-31669 2015 CC BY 4.0 14 Feb 2014
Newsletters Open Access The RUFORUM Monthly Newsletter, January 2014 RUF-31666 2014 CC BY 4.0 31 Jan 2014
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
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 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