Working Document Series Open Access Spatial variability in subterranean termite assemblage on grazing lands in semi-arid Nakasongola, Uganda C. Bakuneta · D. Mpairwe · S. Mugerwa · J. Nderitu +2 more Surges in termite activity and the associated destructive behavior have resulted into enormous deterioration of grazing lands in semi-arid Nakasongola in the drylands of central Uganda. Termites frequently attack and severely damage grasse… RUF-34780 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Assessment of spatio-temporal redistribution of major crops and livestock mobility due to climate change and variability in Uganda L. Aribo · P. Isubikalu · E. Komutunga · J.G.M. Majaliwa +4 more Considering how climate will change over the years offer important insight into how the challenges as result of climate change (CC) and variability can be responded to. Modeling and descriptive studies are being conducted in Uganda to gene… RUF-34775 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Enhancing the capacity of Kenya on climate risk reduction and climate change adaptation for sustainable agricultural productivity and food security C. B. Lukorito · G. O. Ouma Most vulnerable groups in countries in Sub Saharan Africa including Kenya are the poor who have least capacity for coping with the adverse impacts of the current climate extremes, and adapting to future climate changes. Lack of suitable co… RUF-34772 2010 CC BY 4.0 11 Sep 2015
Working Document Series Open Access Climate variability: Pastoralists’ perception, practices and enhancing adaptive pasture use for food security in Choma District, Southern Zambia O. C. Chibinga · N. M. Musimba · M. Nyangito · J. Simbaya Pastoralists have managed their production system for many centuries and have had detailed knowledge of the biodiversity and environment of their grazing lands. Feeding of livestock is though still a major challenge to sustainable producti… RUF-34769 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Production of disease-free papaya planting materials of known sex for commercial fruit production A.W. Kihurani · M. Mwaniki · M.M. Waiganjo · F.K.R. Wanzala Papaya (Carica papaya L.) is a medium sized fruit crop with a potential to produce fruits throughout the year. The ripe fruits, which are very rich in vitamins A and C, are popularly used for dessert or processed into jam or wine. Due to i… RUF-34756 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Influence of seed bed preparation on morphometric characteristics of Eragrostis superba, Cenchrus ciliaris and Enteropogon macrostachyus in southeastern drylands of Kenya W.N. Ekaya · D.M. Nyariki · F. E. O. Omondi This study compared over a 6-month period effects of tractorploughing and hand-clearing seedbed preparation on morphometric characteristics of three arid and semi-arid grass species, namely; Eragrostis superba Peyr, Cenchrus ciliaris L and… RUF-34755 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Evaluation of Chilli pepper genotypes for yield and reaction to field diseases V. Nsabiyera · M. Ochwo-Ssemakula · P. Sseruwagi The performance of 25 chilli (16 exotic and 9 local) genotypes for yield and associated traits and reaction to field diseases was assessed at the National Crops Resources Research Institute (NaCRRI)- Namulonge from June-November, 2009. Tot… RUF-34753 2010 CC BY 4.0 10 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 Explanatory variables associated with the yield perfomance gap among small, medium and large scale sugar cane growers at Ubombo Sugar B. M. Dlamini · M. Mbuyazwe Dlamini In Swaziland, sugar cane is grown on small, medium and large scale. The yield of sugarcane between these grower types is large, with small scale producers having the least yield. The study was therefore carried out to determine factors res… RUF-34747 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of pruning on yield and quality of selected indeterminate tomato lines C. Mbonihankuye In this study, we investigated the effect of prunning intensity on tomato fruit yield of five introductions and one variety. Tomato line significantly affected all tomato yield components in addition to marketable and non-marketable yield.… RUF-34744 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Banana farming in Kenya: Options for rejuvenating productivity J. Mbaka · Maina Mwangi Bananas constitute an important component of farm enterprises in the mid altitudes of central and eastern provinces of Kenya. In recent years the crop has steadily gained importance over traditional cash crops, e.g. coffee, and various sho… RUF-34742 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of different types of organic fertilizers on growth, quality and yield of tomatoes in sandy soil M. I. Khalid Hamden This study was conducted in Bara locality during the period 2009-2010 to assess the impact of using different types of organic fertilizers on tomato yield growing in a sandy soil. Five treatments were compared, i.e., compost, fresh chicken… RUF-34738 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Effect of fecal manure from cattle fed Calliandra, Gliricidia and Luecaena browse/maize silages on soil productivity F. B. Bareeba · H. Kato · E. N. Sabiiti Browses have tannins and lignin which bind protein N and fiber and could subsequently affect release of manure nutrients in the soil when fed to animals. In this experiment, which was a pot experiment, cattle fecal manure from browse/maize… RUF-34733 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Preferred banana varieties and their seed systems in Eastern and Central provinces of Kenya N. Gitonga · M.R. Kasyoka · N. Kori · J. Mbaka +2 more Banana is an important crop for food security in Kenya. Its production has been hindered by scarcity of seedlings and pests, among other factors. A recent survey in eastern and central Kenya showed that desert varieties are prefered due to… RUF-34724 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Growth and physiological changes of tomato as influenced by soil moisture levels J.N. Aguyoh · C. Imana · A. Opiyo Tomato (Lycopersicon esculentum Mill.), as in most fruit vegetables, is often exposed to stresses either imposed by other organisms (biotic) or arising from imbalance of environmental factors (abiotic). Water management is a key factor tha… RUF-34720 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 Adapting soybean varieties to soil fertility variability for increased productivity in smallholder systems of Uganda P. Ebanyat · G. Elepu · P. Tukamuhabwa Biophysical conditions; climate and soil types underpin the suitability for growing of different crops at larger scales such as the agroecological regions while at the lower scales, crop production is governed by soil fertility status and … RUF-34712 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Optimization of biodiesel production from Jatropha curcas in Kenya T. Cheptoo · E. Kenya · J. Onchieku The non-edible vegetable oil from Jatropha curcas has been found to be a viable source for producing biodiesel. Biodiesel production from different accessions of Jatropha curcas will be compared in order to determine the highest yielding a… RUF-34711 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 Identification of drought related and drought responsive genes in cassava Harvey. Jagger · E.B. Kizito · Ferguson. Morag · L. Turyagyenda Conventional cassava breeding has yielded a lot of progress for many traits including pest and disease resistance and high yields but little progress has been made with respect to drought tolerance. It is believed that molecular breeding o… RUF-34689 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Characterisation of genetic diversity among Sudanese sorghum accessions using molecular markers and phenotypic characteristics M. A. Abdelbagi · Suliman. Sufian Sorghum is an important staple food grain crop for the millions of people living in the semi-arid tropics in Asia, Africa and Latin America. The present study examined phenotypic and genotypic characteristics of 95 Sudanese sorghum accessi… RUF-34687 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Evaluation of physiological and morphological traits conferring drought tolerance in cowpea D. Lungu · K. Simango A field study was carried at Gwebi VTC to determine relationships among the morpho-physiological traits associated with drought tolerance in cowpea. Fifteen genotypes were planted in RCBD with three replications under two moisture environm… RUF-34685 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Enhancing Callus induction and embrogenic cell suspension development in East African highland banana G. Arinaitwe · P. Gibson · A. Kiggundu · S.B. Mukasa +3 more Improvement of banana using conventional breeding methods is very difficult due to its biology. Genetic transformation is a novel alternative approach for crop improvement. Transformation of EA-AAA bananas has, however, been limited by dif… RUF-34682 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Strengthening researcher-extension-farmer participation in soil fertility restoration for sustainable crop production in western Kenya E. Adipala · B. Amar · L. Didier · S.O. Gudu +14 more Food insecurity in sub-Saharan Africa (SSA) results mainly from common and prolonged droughts, fertility depleted soils, poor economies and insignificant researcher-extension-farmer contacts to demonstrate technologies. The soils are predo… RUF-34673 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Inheritance of resistance to Fusarium root rot in three common bean genotypes P. Gibson · S.T. Nkalubo · P.O. Ongom · P. Rubaihayo Fusarium solani f. sp phaseoli (FSP) is an important disease in Uganda causing in some cases 100% yield losses in beans. The study established the nature of inheritance to FSP resistance in genotypes RWR 719, NABE 14 and NABE 13. A 5x5 ful… RUF-34670 2010 CC BY 4.0 9 Sep 2015
