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 Adaptability of rice cultivars to different ecologies in western province of Zambia D.M Lungu · C. Mutale · F. P Muuka Rice in Zambia has traditionally been grown in lowland flooded or semi-flooded environments. These environments are unfortunately only a small portion of Zambia, occupying only 1% of the total land. The increase in food demand in the count… RUF-34643 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Grain filling patterns of CIMMYT early maize inbred lines R. Edema · E. Gasura · P. Gibson · P. Okori +2 more Despite the ability of early maize to escape drought and provide food early, it yields 20-30% less than late maize. The challenge is to increase yield while maintaining earliness. A study is ongoing at CIMMYT, Harare to determine whether g… RUF-34614 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Genetic variation of Zambian maize inbred lines commonly used in breeding Richard Chanda · C. Mungoma · M. Mwala · K. Mwansa +1 more In sub-Saharan Africa (SSA), breeders have the challenge of developing high yielding maize hybrids that are adapted to farmers’ conditions. This however requires knowledge on the breeding value of elite maize germplasm. Ten (10) maize inbr… RUF-34610 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Comparative effect of farmyard manure, cowpea residues and NPK Fertilizer on maize grain yield in Morogoro G. Habonayo · C.L. Rweyemamu · J.M.R. Semoka Optimal combinations of organic and inorganic fertilizers can give rise to increased maize yields in nutrient depleted soils. In this study, we assessed the effectiveness of cowpea residues and combinations of inorganic fertilizers on maiz… RUF-34587 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Farmers’ perceptions on maize ear rots and the prospects for breeding farmer preferred varieties in Uganda G. Asea · P. Gibson · P. Okori · L. Tembo Maize ear rots are a major constraint to maize production globally, and yield loses of up to 70% have been reported in Uganda. Developing varieties resistant to ear rots is a practical strategy that provides better insurance for the small … RUF-34586 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Relationship between grain yield and Fusarium head blight in soft red winter wheat as influenced by cultivar resistance L. V. Madden · A. P. Pierce · J. D. Salgado · M. W. Wallhead Fusarium Head Blight (FHB) is a serious disease in all wheatgrowing areas in the world. FHB affects wheat by reducing yield and grain quality. Our objective is to characterize the relationship between FHB and grain yield. Three soft red wi… RUF-34578 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Development of aluminium toxicity tolerance system for sorghum in agro ecological region three of Zambia S. Chikuta The overall objective of this study was to characterize selected sorghum varieties for Aluminium (Al) tolerance. The specific objectives were to determine performance of selected sorghum varieties grown in Al prone environments, identify r… RUF-34568 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Characterization of a diverse set of maize germplasm for resistance to infection by Aspergillus flavus and accumulation of aflatoxin G. Asea · D.B. Kwemoi · P. Okori Sources of resistance to A. flavus have been identified elsewhere but no such materials are currently available for use by the maize improvement program in Uganda. The goal of this study was to initiate breeding for resistance to the fungu… RUF-34558 2010 CC BY 4.0 4 Sep 2015
Working Document Series Open Access Genetic diversity for resistance to larger grain borer in maize hybrids and open pollinated varieties in Kenya S. Mugo · S.W. Munyiri · J.K. Mwololo · P. Okori +1 more Modern maize varieties and hybrids possess improved agronomic performance and tolerance to abiotic and biotic stresses. However, breeding for the traits that contribute to resistance to post harvest pests have not been given due attention.… RUF-34498 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Combining ability analysis of quality protein maize (QPM) and non-PM inbred lines for kernel quality and some agronomic characteristics D. Lungu · J. MacRobert · C. Mutimaamba The biggest population in Zimbabwe depend on maize as a source of carbohydrates, yet it is deficient in protein and therefore makes the population prone to protein malnutrition. Quality Protein Maize (QPM) has double the amount of lysine a… RUF-34497 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Improving greengram production for nutritional diversification, income and food security in Uganda G. Elepu · J. Obuo · H. L. Talwana · N. Wanyera This project seeks options for improving greengram production and guidelines for promoting it as a crop for diversification of income and food security in Uganda. The project will analyze the greengram value chain system; identify the key … RUF-34456 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Association of seed coat colour with germination of three wild mustard species with agronomic potential A. T. Modi · J.O. Ochuodho Seed dormancy and germination present significant challenges when wild species are domesticated for cultivation and economic exploitation. Wild plant species are generally characterized by dormant seeds with variable germination widely spr… RUF-34442 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Fumigant toxicity of five essential oil constituents against major stored-product insect pests of food grains P.K Bett · A.L. Deng · E. A.W. Kamau · S.T Kariuki +5 more Insect pests attacking stored food grains cause substantial losses that undermine food security in sub-Sahara Africa. Subsistence farmers predominantly use traditional plant-based products to protect their grains in storage. In an attempt … RUF-34387 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Response of sorghum genotypes to indigenous and exotic stem borers in Kenya P. Gibson · S. Kyamanywa · M. Mgonja · P.W. Muturi +1 more Field trials are being conduced in Kenya to identify sources of resistance, especially multiple resistance to Buseola fusca and Chilo partellus, two devastating pests of maize in sub-Saharan Africa. Genotypes ICSB 464, ICSB 467, Macia, IES… RUF-34367 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access The effects of water stress on yield and water productivity of two newly released wheat varieties H. Sirelkhatim Ahmed · A. Amel Ali This experiment was conducted under Gezira condition,Wad Medani, latitude 14º 242 N, longitude 33º 292 E and with an elevation of 405 m above the sea level, during season (2008/2009). A split plot design with four replications and nine irr… RUF-34350 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Effects of chicken and cattle manure on wheat production and soil properties in the high terrace and Karu soils in River Nile State in the Sudan Hassan Khalid Ali · Ali Alkhazin Ali Yousif This study was conducted at Hudeiba Research farm on karu and high terrace soils for two consecutive seasons (2008/09 and 2009/10). Organic manures are traditionally used for supplying plant nutrients. Eight different fertilizer combinatio… RUF-34343 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Modeling potential impact of climate change on sorghum and cowpea performance under different tillage and cropping systems in semi-arid areas of Kenya T. Kirina Kitinya · R.N. Onwonga Field trials were carried out at Kambi ya Mawe location in Eastern Kenya during the long rains (LRS) of 2010 and short rains (SRS) of 2010/2011, to evaluate effect of tillage and cropping system on performance of sorghum (Sorghum bicolor L… RUF-34272 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Do triple bag hermetic storage Control Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae) in stored maize in Mozambique? H. Affognon · D. Cugala · L. Muchiriuarapa Prostephanus truncatus is a serious and dominant pest of stored maize in Mozambique. Before the introduction of P. truncatus in Mozambique in 1999, weight loss in stored maize in small scale farmers’ system was about 10 to 12% and Sitophil… RUF-34159 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Essential oils of Cupressus lusitanica and Eucalyptus saligna as fumigants of stored product insect pests: The hope of the future for small-scale farmers P.K Bett · A.L. Deng · S.T Kariuki · J.M. Mihale +3 more Laboratory studies were conducted in the Biotechnology Laboratory, Egerton University, Kenya to determine fumigant activity (space and grain fumigation) of essential oils of the Mexican cypress (C. lusitanica) and Sydney blue gum (E. Salig… RUF-34135 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Effect of organic and urea nitrogen fertilisers on soil properties and maize yield in highlands of Rwanda B.O. Danga · C. Karemangingo · O. Tuyishime Continuous cropping without nutrient restitution under smallholder farms in Rwanda has led to serious nutrient depletion and reduced maize (Zea mays) yields. This is further exacerbated by low soil organic matter and soil erosion. The smal… RUF-34122 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Effect of farming practices on the occurrence of scab of wheat and its management through cultivar resistance C.K. Mutegi · J.W. Muthomi · R.D. Narla · N.K. Njeru +2 more A survey was carried out in Nakuru and Narok Counties at hard dough stage and at harvest. A semi structured questionnaire was used to collect information on wheat production practices. Fusarium head blight incidence and severity in each fa… RUF-34118 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access In-season nitrogen prediction for the quality protein maize using the pocket hand-held NDVI sensor on farmers’ field around Ilu-Gelan and Bako-Tibe, Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more The “pocket” hand-held Normalized Difference Vegetative Index (NDVI) sensor for inseason highland quality protein maize nitrogen rate determination for side-dressing was conducted in 2013cropping season on seven farmers’ field around Bako-… RUF-34117 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Biomass accumulation and nitrogen fixation of soybean varieties, grain yields of soybean and maize intercropped at different planting densities in western Kenya F. Baijukya · R. Onwonga · M. Simbine Biomass accumulation and nitrogen fixation of soybean (Glycine max) and grain yields of maize (Zea mays) and soybean intercropped at different planting densities was assessed in two villages of Butere and Mumias district of western Kenya d… RUF-34108 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Role of agronomic practices on the occurrence of Fusarium head blight of wheat C. Mutegi · J. Muthomi · R. Narla · O. Okumu +1 more Fusarium head blight is a disease of small grain cereals that reduces yield and causes mycotoxin contamination. The role of agronomic practices on the occurrence of wheat agronomic practices was studied. In the experiment, a survey to dete… RUF-34088 2014 CC BY 4.0 13 Aug 2015
