Working Document Series Open Access Occurrence and distribution of viruses infecting groundnuts (Arachis hypogaea L) in Kenya N. Joyce · B. Mukoye · F. Stomeo · L. Torrance +2 more As well as providing food, animal feed and cash, groundnuts are important components of farming systems as they improve soil fertility. In Kenya, the current yields are well below potential and important constraints include the devastating… RUF-39968 2019 CC BY 4.0 29 Mar 2023
Working Document Series Open Access Effects of harvesting date on aflatoxin contamination in groundnuts in northern Mozambique M. Amane · A. M. Mondjana · A. Muitia · Emmanuel Jnr. Zuza Groundnut (Arachis hypogaea L.) is the third most important crop in Mozambique. Despite its importance as food, the presence of mycotoxins, especially aflatoxins has the potential to limit its use in both the human and livestock diet. In t… RUF-37504 2016 CC BY 4.0 10 Apr 2018
Working Document Series Open Access Effect of crop rotation on aflatoxin contamination in groundnuts A. Abraham · R.L. Brandenburg · W. Mhango · S.M.C. Njoroge +1 more Aflatoxins are secondary metabolites primarily produced by the fungi Aspergillus flavus, A. parasiticus and, to a lesser extent, A. nomius. Good agricultural practices can aid in the reduction of aflatoxin contaminatio in the field. Well p… RUF-37442 2016 CC BY 4.0 10 Apr 2018
Theses & Dissertations Open Access Development of Orange fleshed sweet potato and Bambara groundnut-based snacks for school children in Tanzania Buzo. Honi Development of snacks using locally under-utilized crops such as orange fleshed sweet potatoes (OFSP) and Bambara groundnut is crucial for alleviating under-nutrition among primary school children through food-based approach. This study wa… RUF-35949 2016 CC BY 4.0 30 May 2016
Theses & Dissertations Open Access Principal Component and Multiple Correspondence Analyses in Dimensionality Reduction: A Study on Aflatoxin Contamination of Peanuts in Kenya Henry Henry Mokua Momanyi In a study about the factors that contributed to the risk of aflatoxin contamination of peanuts in the Peanut CRSP project in Kenya, contingency table analysis (Pearson’s chi-square) was used to analyze a large mixed data set from a survey… RUF-35363 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Seed-borne viruses detected on farm-retained seeds from smallholder farmers in Zimbabwe, Burkina Faso, Bangladesh and Vietnam W. Manyangarirwa · C.N. Mortensen · J. Sibiya The smallholder farming sector in much of the developing world relies on the use of farm-retained seed. The availability of good quality disease free seed is important in enhancing food security but seed-borne viruses can be a major proble… RUF-35119 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access An analysis of technical efficiency of mixed intercropping agroforestry technology: A case of Zomba district in Malawi Abdi-Khalil Edriss · B. Kakhobwe · M.B. Kwapata · J. H. Mangisoni +1 more The study was conducted in Zomba district in Malawi, in 2005/ 2006 cropping season with the main objective of assessing technical efficiency (TE) of mixed intercropping (MI) agroforestry technology. Study population consisted of 101 farmer… RUF-34906 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Improving biological nitrogen fixation (BNF) by groundnuts grown in acid soils through amendment with calcitic and dolomitic limestones R. Merckx · J.K. Ogega · J.R. Okalebo · D.K. Okello +5 more Groundnut (Arachis hypogeal L.) is an oil crop legume capable of symbiotic nitrogen fixation. Soil acidity is a major limitation to symbiotic nitrogen fixation. Acid soils are widespread in Western Kenya and Eastern Uganda where groundnut … RUF-34659 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access The effect of timing of earthing up on the performance of four Bambara groundnut landrace cultivars in the Mutasa District of Manicaland Province in Zimbabwe Z.A. Chiteka · S. Mhungu An experiment was carried out at two sites to investigate the effect of timing of earthing up on the yield of four landrace cultivars of Bambara groundut (Vigna subterranean [L.] Verdc.) cultivars in Zimbabwe during the 2006/2007 season. T… RUF-34411 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Assessment of groundnut yield loss due to the groundnut leaf miner, Aproaerema modicella infestation in Mozambique M. Botao · D. Cugala · L. Santos · A. Sidumo +1 more The groundnut leaf miner, Aproaerema modicella Deventer (Lepidoptera: Gelechiidae), is an invasive alien Asian species in Mozambique. A. modicella was reported for the first time in 1998 in Uganda. In Mozambique, Groundnut leaf miner was f… RUF-34364 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Response of commonly cultivated legumes in Zambia to non-indigenous legume inoculants J. S. K. Banda · Ndashe Kapulu · Malama Mulenga · A. Mutiti Mweetwa +2 more The use of inoculants is a critical strategy in legume production. Several factors determine the efficiency of an inoculant, including the competitiveness of the inoculated against indigenous strains. Although Rhizobia seems to be widely d… RUF-33969 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access The effect of gypsum and NPK fertiliser on groundnut performance in Western Tanzania F.M. Bagarama · Z.P. Matata · E. Shenkalwa This study was carried out to determine the effect of amending soil with gypsum rich material on the performance of groundnuts (Arachis hypogea L.) grown in low fertile sandy textured soil in the miombo woodland ecosystem, western Tanzania… RUF-32893 2012 CC BY 4.0 20 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 Diversity and Symbiotic Effectiveness of Acid Tolerant Groundnut Rhizobia inWestern Kenya Soils J.K. Ogega · J.R. Okalebo · D.A. Onyango · B.A. Were This study was carried out to find suitable strains of rhizobia for use in ground nut production under acid-aluminium soils. Thirty-six rhizobia isolates tolerant to high soil aluminium were identified.. The isolates were gram negative rod… RUF-31909 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Improving Biological Nitrogen Fixation (BNF) by Groundnuts (Arachis hypogea L.) Grown in Acid Soils Amended with Calcitic and Dolomitic Limestones R. Merckx · J.K. Ogega · J.R. Okalebo · D.K. Okello +5 more Groundnut is an important grain legume in the traditional cropping systems of western Kenya and eastern Uganda. This research focuses on assessing and utilising the biological nitrogen fixation (BNF) potential of groundnut in alleviating s… RUF-31894 2012 CC BY 4.0 12 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 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
