Working Document Series Open Access Effects of inorganic fertilizer applications on grain yield, nutrient use efficiency and economic benefits of maize in Western Kenya G. Chemining’wa · C.K.K. Gachene · H. M. O. Otieno · S. Zingore Declining soil fertility levels due the application of low rates and unbalanced nutrients is the main cause of low yields in western Kenya. We therefore designed a randomized complete block nutrient omission trial with six replications to … RUF-38629 2018 CC BY 4.0 7 Sep 2020
Working Document Series Open Access Occurrence and distribution of Tuta absoluta (Gelechiidae) in Tanzania Patrick A. Ndakidemi · M. Chacha · E. R. Mbega · N. Zekeya Thirteen regions were surveyed for the presence and abundance of the tomato leafminer (Tuta absoluta) in Tanzania. The survey was conducted in 2015, 2016 and 2017 across selected agro-ecological regions of Tanzania. Monitoring was conducte… RUF-38627 2018 CC BY 4.0 7 Sep 2020
Working Document Series Open Access Comparative effects of soybean, grain amaranth (Amaranthus spp) and nitrogen on Striga (Striga hermonthica) and maize yield in western Kenya W. K. Ngetich · E. K. Ronoh · V. K. Rotich · C. Serem Western Kenya, the area considered the grain basket of the country, is heavily infested by Striga, reducing maize yields by up to 30-100%. On-farm trials were conducted in two cropping seasons between August 2014 to July 2015 at Ugunja, Si… RUF-38623 2018 CC BY 4.0 4 Sep 2020
Working Document Series Open Access Influence of Niger plant (Guizotia abyssinica l.) on growth and development of common beans (Phaseolus vulgaris) O. A. Auma · L. Ngode · L. M. Oimbo Plants affect other plants growing in their vicinity either positively or negatively by producing exudates known as secondary metabolites. These secondary metabolites, also known as allelochemicals, can be harnessed and utilized in control… RUF-38619 2018 CC BY 4.0 4 Sep 2020
Working Document Series Open Access Effects of organic mulch on soil properties and yield composition of groundnut on a typical latosol J. K. Ahiakpa · N. P. Kolliesuah Given the deficient nature of the Liberian soil (low N, P, K and acidic soil condition), a field experiment was conducted in 2016 and 2017 at the College of Agriculture and Sustainable Development Experimental Field using Biochar, Sawdust … RUF-38607 2018 CC BY 4.0 4 Sep 2020
Working Document Series Open Access Optimization of biosolids as a substrate for quality tomato transplant production S. O. Nyalala · P. C. Otieno · J.N. Wolukau Tomato (Solanum lycopersicum L.) is an important fruit vegetable crop for human health and nutrition as well as for income generation. The quality of the transplant affects the overall quality and yield of the crop. However, poor soil cond… RUF-38596 2018 CC BY 4.0 25 Aug 2020
Working Document Series Open Access Influence of fruit type and seed fermentation durations on seed germination and seedling vigour in pumpkin (Cucurbita pepo L.) J.O. Ochuodho · N.K. Rop · W. J. Tarus Pumpkin (Cucurbita pepo L.) is an important fruity vegetable belonging to the family cucurbitaceae and it is cultivated for its nutritional and medicinal purposes. Rural farmers usually harvest the fruits of pumpkin purposely for food afte… RUF-38586 2018 CC BY 4.0 25 Aug 2020
Working Document Series Open Access The nutrient diversity of baobab Adansonia digitata L. across different geographic zones in Eastern Africa J. Chepngeno · W. Owino Food and nutrition insecurity is a common occurrence in arid and semi-arid regions of sub-Saharan Africa, with communities resorting to wild foods and forest products such as baobab in times of scarcity, to derive energy and nutrition. The… RUF-38573 2018 CC BY 4.0 19 Aug 2020
Journal articles Open Access Understanding factors influencing distribution and density of a micro-Lepidoptera moth, Tuta absoluta (Gelechiidae) and its impact in tomato agroecological zones of Tanzania M. Chacha · E. R. Mbega · H. Ndossi · J. Ouma +1 more Field survey was conducted from August to November 2016 and repeated from January to April 2017 to study population, distribution and damage by tomato leaf miner (TLM) (Tuta absoluta Meyrick 1977) in 156 farms in agroecological zones of Ta… RUF-38563 2020 CC BY 4.0 17 Aug 2020
Working Document Series Open Access Restoration status of Nakayiba wetland, Masaka, Uganda J. Bunyangha · H. S. Busulwa · P. Mucunguzi Many wetlands in Uganda have been converted into uses that are injurious to nature. However, besides just a few of them being restored, the success of restoration for any of them has not been assessed to guide future restoration efforts in… RUF-38538 2018 CC BY 4.0 13 Aug 2020
Working Document Series Open Access Restoration status of Nakayiba wetland, Masaka, Uganda J. Bunyangha · H. S. Busulwa · P. Mucunguzi Many wetlands in Uganda have been converted into uses that are injurious to nature. However, besides just a few of them being restored, the success of restoration for any of them has not been assessed to guide future restoration efforts in… RUF-38537 2018 CC BY 4.0 13 Aug 2020
Working Document Series Open Access Characterizing cassava marketing value chain in Kenya: A review D. Kilalo · W. O. Kosura · A. W. Mwang’ombe · H. Nyanganga +1 more This paper reviews the cassava value chain with an aim of characterizing the value chain by focusing on the marketing part of the value chain, the actors, and marketing channels. The data used in this review were obtained from secondary so… RUF-38489 2018 CC BY 4.0 12 Aug 2020
Working Document Series Open Access Factors influencing on-farm common bean productivity in Manyara region in Tanzania Eliud A. Birachi · Saimon Venance Karane · P. Mshenga Common beans (Phaseolus vulgaris) are an important food and cash crop in developing countries. In Tanzania, different common bean varieues are grown by many farmers. However, productivity of all common beans is still far below the potentia… RUF-36896 2016 CC BY 4.0 14 Sep 2017
Theses & Dissertations Open Access Characterization of rainfall and temperature variability and their impact on teff [Eragrostis tef (zucc.)] production at Kersa District of Jimma Zone, Ethiopia Gemechu Raga Osena Climate variability is affecting the whole world and its threat is greater in Ethiopia because of its less adaptive capacity and deepened poverty.This study was there fore designed to investigate the impact of rainfall and temperature vari… RUF-36609 2016 CC BY 4.0 16 Mar 2017
Working Document Series Open Access Evaluation of performance of soyabean under farmers specific biosphysical and social environment K. Longwe · W. Mhango · H. Mwale · G.Y.K. Phiri An on farm study was conducted in Kasungu at Mkanakhoti and Kandeu Extension Planning Areas in Malawi to investigate the effect of multi-environment (biophysical and social economic) factors on performance of soybean. The community was sen… RUF-36300 2016 CC BY 4.0 20 Oct 2016
Working Document Series Open Access Allocative efficiency in potato production in lowland areas of Uganda F. Bagamba · C. Kemigabo · J. Mugisha Potato (Solanum tuberasum) is an important crop in Uganda. Although it was traditionally grown in highland areas, its cultivation has now spread to lowlands. However there is limited information on the performance of potato within the low… RUF-36279 2016 CC BY 4.0 19 Oct 2016
Theses & Dissertations Open Access Enhancement of somatic embryogenesis in recalcitrant east African highland bananas K. Sadik Lack of appropriate in vitro protocols has limited advances in the use of tissue culture in rapid multiplication of planting material and development of reliable genetic transformations for AAA-EA banana. Embryogenic callus induction in AA… RUF-35854 2013 CC BY 4.0 29 Jan 2016
Theses & Dissertations Open Access Colonization, distribution and persistence of fungal endophytes in tissue culture banana P. Paparu The use of mutualistic fungal endophytes to control the banana weevil (Cosmopolites sordidus) and banana parasitic nematodes (Radopholus similis, Pratylenchus goodei and Helicotylenchus multicinctus) is currently being investigated at the … RUF-35522 2005 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Strategic nutrient management of field pea in southwestern Uganda Patrick. Musinguzi The highlands of southwestern Uganda account for the bulk of field pea ( Pisum sativum L.) produced and consumed in the country. The crop fetches a stable price, which is as high as that of beef, but it has remained outside the mainstream … RUF-35515 2007 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Optimal resource allocation in cowpea production systems in eastern Uganda Frances. Nakakawa This study focused on examining the allocation of farm resources by farmers engaged in cowpea production and developing optimal farm plans for cowpea production systems in Eastern Uganda. Earlier studies revealed that cowpea yields are bel… RUF-35508 2007 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Association between starch branching enzymes and modification of opaque-2 (o2) in quality protein maize Gerard. Oballim Maize is the most important cereal in Uganda and many other countries of Sub-Saharan Africa. It is the main source of basal energy for humans, livestock and poultry. Maize is however deficient in two essential amino acids, lysine and trypt… RUF-35504 2009 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Variation in cassava (Manihot esculenta crantz) based on single nucleotide polymorphisms, simple sequence repeats and phenotypic traits R.S. Kawuki This thesis presents results from four research objectives. The first objective presents analysis of cassava germplasm form six countries (Uganda, Kenya, Tanzania, Rwanda, D.R.C, and Madagascar) using 29 qualitative traits. Germplasm form … RUF-35475 2009 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Weed effects on growth and yield of cowpeas (Vigna unguiculata L. Walp.) Richard Sebuliba-Mutumba An investigation was carried out at Kawanda Agricultural Research Institute (KARI) to determine the effect of weed management regimes and weed population density on growth and yield of cowpeas (vigna unguiculata L. Walp). Weeds in a cowpea… RUF-35449 1995 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Studies on intercropping sorghum with finger millet with special emphasis on genotype identification and mixture proportion C.K. Ssekabembe During the period 1980-81 two experiments were carried out at Kabanyolo University Farm, with the main objective of identifying suitable genotypes of inter-cropping sorghum with finger millet (Eleusine coracana L.). The subsidiary objectiv… RUF-35447 1983 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Response of yam landraces and hybrid lines to nematode attack in Uganda Joseph. Mudiope Yam (Dioscorea spp.) is a major food crop in Africa and in Uganda, it is considered a famine-researve food crop. However, the crop faces a complex of constraints, especially susceptibility to nematodes and limited research attention. In an… RUF-35443 1998 CC BY 4.0 25 Sep 2015
