Working Document Series Open Access Minjingu phosphate rock extractability by white lupin and chickpea in Njoro and Kiambu sub-counties, Kenya J.J. Lelei · R. O. Onwonga · J.P. Ouma Declining phosphorus (P) fertility is a major production constraint in Kiambu and Njoro subCounties of Kenya. Use of Minjingu phosphate rock (MPR) to rebuild soil capital P is limited by its insolubility in water. Field experiments were co… RUF-33952 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Mutation breeding in irish potatoes M. Kinyua · O. Kiplagat · F. K. Kiunga The cultivated potato (Solanum tuberosum L.) originated from the Andean region of South America. Kenyan farmers started potato cultivation in 1920 and entered the export market in 1923. However, while average potato yields in North America… RUF-33950 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Does long-term low-rate organic and inorganic nitrogen management guarantee maize yield under semi-arid conditions of eastern Kenya? M. Oscar Kisaka · F.S. Mairura · M.W. Mucheru-Muna · D.N. Mugendi +2 more Drier parts of Embu County endure high atmospheric heat, prolonged dry spells, declining soil fertility and erratic rainfall. Integrated soil fertility management (ISFM) technologies have been developed, and tested, with standardized appli… RUF-33948 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Application of mutation techniques to determine the optimum sensitivity dose for sorghum E. Chepkoech · S. Kimno Sorghum (Sorghum bicolor L.) is the fifth most important cereal crop of the world and serves as a major staple food and fodder resource, especially in arid and semi-arid regions. This crop has a big potential to be grown and cultivated owi… RUF-33946 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Developing ecological management strategies for virus diseases of tomato in Uganda S. Ahabwe · H. Jurua · J. Karungi · M.K.N. Ochwo-Ssemakula +1 more Tomato (Lycoperscum esculentum) is one of the priority crops considered to drive development and food security in Uganda. However, severe levels of viral diseases have been found to constrain productivity in Uganda: A survey found mean inc… RUF-33944 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Assessment of the socio-economic impact of the invasive fruit fly Bactrocera invadens (Diptera:Tephritidae) in Mozambique D. Cugala · M. De Meyer · L. Jose · L. Santos Fruit flies are among the most important pests of fruits and vegetables in the world. The invasive fruit fly Bactrocera invadens (Diptera:Tephritidae) was first detected in Africa in 2003 in Kenya, has spread to at least 27 countries attac… RUF-33931 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Identification of tomato varieties resistant to Tomato Curl Stunt Virus in Mozambique J. Bokossi · E. Chilembwe · C. Ecole · B. Filipe +5 more The importance of tomato (Lycopersicon esculentum) as source of food and income generation in Mozambique is threatened by proliferation of a viral disease called Tomato Curly Stunt virus (ToCSV) which belongs to the Geminiviridae Family (B… RUF-33922 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Response of tepary beans to plant density in Middleveld, Swaziland D. M. Dlamini · O. T. Edje A landrace of tepary beans [Phaseolus acutifolius ] locally known as nsambasamba, literally meaning high yielding, is a relatively new crop in parts of Swaziland. The white, small-seeded [34 g/100 seeds], is popular in drought-prone areas … RUF-33910 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Conservation agriculture I: Effects of legume crop species on ground cover, soil moisture retention, weed suppression and litter fall on maize yield in Swaziland D. M. Bhekizizwe · O. T. Edje The reintroduction of conservation agriculture in Swaziland required information on crop species that could provide ground cover, suppress weeds and conserve soil moisture. A field experiment was conducted at the Malkerns Research Station … RUF-33903 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Assessment of establishment of released parasitoid as biological control agent against the invasive fruit fly D. Cugala · R. Cumbe Fruit flies (Bactrocera invadens) are considered the most important and devastating pests of fruits and vegetables in the World due to their potential to cause damage in fruits. In Mozambique, classical biological control is viewed as a po… RUF-33895 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Selection for pod quality, pod yield and disease resistance in climbing snap beans J. J. Cheptoo · P. M. Kimani · R.D. Narla Although climbing snap bean have the potential of increasing productivity and competitiveness in domestic and export markets, suitable varieties with market demanded pod quality characteristics and preferred agronomic traits are not availa… RUF-33885 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Pod quality, pod yield and disease resistance of new bush snap bean lines in Kenya J. J. Cheptoo · P. M. Kimani · R.D. Narla This study was conducted at Mwea and Embu where twenty F6.7 lines selected from 31 bulk populations were evaluated for reaction to diseases, pod quality and pod yield in onfarm trials during the 2013 long rain and short rain seasons. Disea… RUF-33881 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Diversity assessment of cassava mutants, hybrids and landraces using morphological markers E. E. Arunga · M. Chelulei · E. Chepkoech · S. Kimno +2 more Cassava (Manihot esculenta) is a very important crop in terms of adaptability to various micro-environments, flexibility in management, returns, and multiple uses as food and in various industries. Knowledge of levels of genetic variation … RUF-33871 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Selection strategy for developing maize inbred lines with drought and disease resistance in Uganda G. Asea · B. U. L. Castiano · R. Edema Breeding for host plant resistance along with performance traits requires the use of an effective breeding method and selection strategy. Such a selection strategy and related indices should contribute to reducing the time required for bre… RUF-33842 2014 CC BY 4.0 10 Aug 2015
Working Document Series Open Access Effects of different planting methods on performance of New Rice for Africa (NERICA) in Kerio Valley and Marigat, Kenya E. O. Auma · W. K. Bii · L. Ngode The New Rice for Africa (NERICA) which was developed to solve the food crisis has been adopted by farmers in Kenya. Attempts have been made to choose methods of planting for NERICA production but their effectiveness has not been well under… RUF-33833 2014 CC BY 4.0 10 Aug 2015
Working Document Series Open Access Components of resistance that reduce the rate of blast epidemic in GULU-E finger millet variety of northern Uganda J. C. Aru · P. Okori · N. Wanyera There is a large demand for finger millet in East Africa, which is produced in the lake region countries of Uganda, Kenya, Tanzania, and Rwanda among others. In Uganda, finger millet is second only to maize as a major cereal crop, and occu… RUF-33826 2014 CC BY 4.0 10 Aug 2015
Working Document Series Open Access Grain yield stability of cowpea genotypes in contrasting environmental conditions in Southern Mozambique J. A. Alfredo · R. M. Chiulele In Southern region of Mozambique crop yields are very unpredictable mostly due to high intra and inter-seasonal and spatial rainfall variability. Assessing yield stability in this region is crucial for identifying best performing genotypes… RUF-33816 2014 CC BY 4.0 10 Aug 2015
Working Document Series Open Access Gynotypic performance of ten cowpea varieties for optimum productivity E. A. Akinrinde · B. T. Morufu · O. D. Ojo In Nigeria, cowpeas (Vigna unguiculata L. Walp) are grown mainly for home use and are processed into many products including boiled, baked or roasted beans among others for national food security. Growing cowpea could be very cumbersome fo… RUF-33812 2014 CC BY 4.0 10 Aug 2015
Working Document Series Open Access Sudanese Withania somnifera: a potential control agent for plant microorganisms E. A. Adil Bala · R. Delorme · P-H. Ducrot · J. Einhorn +4 more For centuries plants have been used throughout the world as pesticides, drugs and remedies for various diseases. However, pesticides and drugs in general, tend to be very expensive particularly so for the developing countries. Comparative … RUF-33804 2014 CC BY 4.0 10 Aug 2015
Theses & Dissertations Open Access Impacts of climate change on durum wheat (Triticum turgidum L var durum) production: analysis of future adaptation measures in the Central Rift Valley of Ethiopia Olivier Abayisenga Assessing impact of climate change on durum wheat production and analysis of future adaptation measures bears enormous advantages in general and in Ethiopia in particular, owing to the country’s low adaptative capacity.The analysis shows t… RUF-33788 2015 CC BY 4.0 29 Jul 2015
Theses & Dissertations Open Access Characterization of climate variability and water harvesting system for crop production in Adulala Watershed, Central Rift Valley of Ethiopia Moffat Goma Scarcity of water is the most severe constraint for traditional agriculture in semi-arid areas of Ethiopia. Precipitation is extremely variable, thus water harvesting is crucial for ensuring improved crop production. A study was carried ou… RUF-33786 2015 CC BY 4.0 28 Jul 2015
Journal articles Open Access Using APSIM-model as a decision-support-tool for long-term integrated-nitrogen-management and maize productivity under semi-arid conditions in Kenya M. Oscar Kisaka · F.S. Mairura · M.W. Mucheru-Muna · D.N. Mugendi +3 more There is continued decline in per capita agricultural productivity in the drier parts of Kenya’s central highlands. The declines have been linked to low and declining soil fertility, soil water, high atmospheric heat, prolonged dry-spells … RUF-33784 2015 CC BY 4.0 28 Jul 2015
Theses & Dissertations Open Access Climate change impact on land suitability for rainfed crop production in Lake Haramaya Watershed, Eastern Ethiopia L.N. Robai Understanding the effects of climate change on land suitability for crop production has become an important issue with respect to food security. The main objective of this study was to evaluate the impacts of climate change on land suitabi… RUF-33757 2015 CC BY 4.0 9 Jul 2015
Journal articles Open Access Potential climate change adaptation and coping practices for agricultural productivity in the mountain areas of South Western Uganda P. Ababo · A. Achom · E. Adipala · Y. Bamutaze +6 more Agricultural productivity in Rwenzori mountain area is declining and undermining food security in the region. This trend has been accelerated in recent years due to rapid changes in climatic conditions. Climate change adaptation and coping… RUF-33749 2015 CC BY 4.0 24 Jun 2015
Case Studies Open Access Rebuilding Agricultural Research Systems in Burundi: RUFORUM Regional Postgraduate Scholarships Megan Lindow So pressing are Burundi’s needs for well-trained agricultural researchers, that when Micheline Inamahoro arrived at Makerere University in Uganda in 2008 to complete a masters degree in plant breeding and seed systems, she was eight months… RUF-33500 2014 CC BY 4.0 4 Feb 2015
