Working Document Series Open Access Identification of appropriate production packages for increased African nightshade production in Kisii County, Kenya E.O. Nyagari · R.N. Onwonga · C. M. Onyango This study investigated the effects of intercropping arrangements and fertiliser combinations on growth and yields of African nightshade (Solanum nigrum L.). The study was carried out at the Kenya Agricultural and Livestock Research Organi… RUF-36998 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Response to cold stress at reproductive stage of introduced and adapted rice genotypes in Uganda R. Edema · P. Gibson · J. Lamo · J. Nyiramugisha +2 more Exposure of rice (Oryza sativa) to cold stress has significant negative impacts on its development and yield. Prospects of increasing production by growing rice in highland areas of Uganda have not been fruitful due to cold stress. It is t… RUF-36995 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Performance of Wild Blackberry species in Kenya under conventional production R.M. Gesimba · K.O. Omondi · J.N. Wolukau Blackberry (Rubus L. sub-genus Rubus Watson) fruits grow wild in Kenya, though in some parts of the world they have been domesticated and are cultivated. There is potential for their adoption in Kenya, however this requires that informatio… RUF-36990 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Household nutritional knowledge, attitude and practices associated with consumption of wild fruits and vegetables in Acholi Sub-region of Northern Uganda W. Odongo · L. Okidi · D. Ongeng Rural households mostly utilise wild fruits and vegetables as a supplement to household nutritional needs during lean seasons. However, nutritional benefits derived from a given food are influenced by nutritional knowledge, attitude and pr… RUF-36987 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Morphological variation of baobab fruits and seeds traits in smallholders farming systems in Benin: a preliminary study on baobab leaves production A.E. Assogbadjo · R. Glèlè Kakaï · G. Hounsou-Dindin · R. Idohou +1 more Baobab (Adansonia digitata L.) leaves are important non-timber forest product (NTFP) in rural areas and increasingly in urban areas in Africa. However, the overharvesting of the leaves constitutes a threat for natural stands of baobab. Thi… RUF-36985 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Maize yield in Sudan as influenced by inorganic and organic fertilizers A.A.A. Ala · M.M. Lubna · A. M. E. Nagat · A.E.A. Nura +1 more The main objective of this research was to investigate the effect of chemical fertilizer, organic fertilizer and a combination of the two on maize (Zea mays L.) yield in Sudan. Three levels of fertilizer: 86 kgN/ha, 4 tonnes chicken manure… RUF-36983 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Effect of organic and inorganic ammendments on soil chemical and maize yield characteristics in Zimbabwe S. Angombe · T. Chitata · R.L. Mhindu · A. Munodawafa +1 more Performance evaluation of five treatments on soil chemical characteristics and yield of maize was carried out in Lower Gweru, Zimbabwe. The treatments were gypsum, mopane ash, green manure, combined gypsum and green manure (green manure + … RUF-36977 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Determinants of adoption of potato production in the low land areas of Uganda F. Bagamba · Lule, J. Kyanjo · J. Mugisha Potato (Solanum tuberosum) is an important food and cash crop for smallholder farmers, giving more food, more nutrition and more cash per unit of area and time. Adoption of the crop is therefore seen as a pathway to improved smallholder fa… RUF-36971 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Socio-economic factors affecting technical efficiency of potato production in Kenya Ezekiel Chepkwony · M. Kipsat · M. Korir Potato, Solanum tuberosum L., is one of the most important staple crops in Kenya. It has high potential for production. However, production does not meet the growing demand. There is need to analyze socio-economic factors affecting the tec… RUF-36969 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Response of local and improved cowpea varieties to Rhizobia inoculation and phosphorus in West Nile region of Uganda R. Amayo · S. Nyamaizi · B. B. Obaa · G. Olupot +2 more Cowpea (Vigna unguiculata L.Walp) is an important food security and cash crop among poor households especially in eastern and northern Uganda. However farmers have reported grain yields as low as 50 kg ha-1, far below the potential yield o… RUF-36965 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Integrated management of Orobanche crenata in faba bean in Ethiopia D. Asefa · T. Brhane · A. Chala · A. Kiros-Meles Broomrape (Orobanche crenata) is a major constraint to faba bean (Vicia faba) production particularly in northern Ethiopia. Few resistant faba bean varieties are capable of reducing the level of damage from O. crenata infestation in faba b… RUF-36961 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access In-vitro techniques for elimination of viruses causing cassava mosaic disease and cassava brown streak disease G. Nakabonge · J.B. Okori Cassava brown streak disease (CBSD) and cassava mosaic disease (CMD) are the two most important viral diseases affecting cassava (Manihot esculenta) production in Uganda. The two diseases persist in the plant system causing yield losses an… RUF-36958 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Evaluation of biochemical components as a mechanism of cassava resistance to whitefly infestation in Uganda S. Kyamanywa · M. Mwala · N. Mwila · E. Nuwamanya +2 more Bemisia tabaci is one of the most common whitefly species worldwide that have been identified to cause serious harm in various crops through direct damage and as a vector of viral diseases. In Uganda, cassava varieties used have succumbed … RUF-36956 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Identification of Turcicum leaf blight resistance genes in sorghum using comparative genomics Mayada Mamoun Beshir · S. Manthi · D.A. Odeny · P. Okori Turcicum leaf blight, caused by Exserohilum turcicum (Pass) K.J. Leonard and E.G. Suggs (teleomorph: Setosphaeria turcica (Luttrell) Leonard and Suggs), formerly known as Helminthosporium turcicum, is a major foliar disease of both sorghum… RUF-36953 2016 CC BY 4.0 15 Sep 2017
Journal articles Open Access How farmer videos trigger social learning to enhance innovation among smallholder rice farmers in Uganda Gabriel Karubanga · P. Kibwika · Florent Okry · H. Sseguya Information and Communication Technology (ICT) tools such as videos promoted to enhance farmer access to information to influence change in farming practices need to be situated in social learning processes. Farmers learn and innovate thro… RUF-36952 2017 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Applications and benefits of marker-assisted introgression of the opaque-2 gene in quality protein maize breeding E. Gasura · N.A. Maibvisira · M. Maphosa · A. Tarekegne Maize (Zea mays) is a crucial crop in Africa serving as one of the chief carbohydrate sources used as food and feed. However, maize is deficient in essential amino acids, lysine and tryptophan. Protein malnutrition is a major challenge as … RUF-36948 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Sources and inheritance of resistance to Sesame Webworm in Uganda W. Anyanga · M. Biruma · R. Edema · P. Gibson +3 more Sesame (Sesamum indicum L.) is an important income security crop among smallholder farmers in Eastern and Northern Uganda. However, Sesame webworm (Antigastra catalaunalis Dup) causes high yield loses in Uganda. A few sesame genotypes resi… RUF-36946 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Evaluation of the response of rice genotypes to bacterial leaf streak disease in Uganda M. Kanaabi · J. Lamo · P. Tukamuhabwa · G. Tusiime Destructive rice diseases like bacterial leaf streak (Xanthomonas oryzae pv. oryzicola) have been reported to be on the increase. In 2014, researchers in Uganda spotted signs typical of bacterial leaf streak disease (BLS) in rice fields in… RUF-36941 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Bacterial leaf streak disease of Rice: A silent constraint to Rice production in Uganda J.L. Andaku · G. Onaga · P. Tukamuhabwa · G. Tusiime Bacterial leaf streak disease (BLS) caused by Xanthomonas oryzae pv oryzicola is one of the emergent biotic constraints to rice production in Africa. The disease, which can cause yield loss of up to 60% on susceptible cultivars, was observ… RUF-36938 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Relationship between causal pathogens for maize ear rots and grain yield in tropical maize in Uganda J.C. Alunga · G. Asea · P. Gibson · D.B. Kwemoi +1 more Maize ear rots caused by Aspergillus flavus, Fusarium graminearum and Stenocarpella maydis reduce the quality of maize through production of mycotoxins and carcinogenic compounds that are harmful to both humans and animals when consumed. T… RUF-36936 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Managing Faba bean diseases using bioinoculants in Northern Ethiopia D. Asefa · D.G. Gebremedhin · A. Kiros-Meles Fungal diseases have been seriously limiting faba bean production in northern Ethiopia with a serious impact on household food-security and soil fertility management. The study was initiated to evaluate the synergistic effect of host plant… RUF-36934 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Optimum application rates for naturally occuring enthropathogenic fugus for termite management in maize fields L. Gohole · A.W. Khaenje · N.K. Maniania · L. Ngode In Africa, maize yield losses of 50-100% have been reported to due termite attack. Previous studies have demonstrated efficacy of Metarhizium anisopliae for controlling termites, however there is limited information available on the applic… RUF-36930 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Biopesticide-based IPM systems to reduce synthetic pesticide residues in vegetables for niche market access by small holder growers A.M. Fulano · G. M. W. Lengai · J.W. Muthomi · A. W. Mwang’ombe +2 more In the last few decades, farmers have relied on synthetic pesticides to managed crop pests and diseases. This is because synthetic pesticides are easily available, have quick knock down effect, have varied modes of action and are reliable.… RUF-36928 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Plant extracts and antagonistic fungi as alternatives to synthetic pesticides in management of fungal diseases of tomato G. M. W. Lengai · J.W. Muthomi · R.D. Narla · J.M. Wagacha Incorporation of biological pesticides in integrated pest management has lately been considered effective in production of safe food for human consumption, aesthetically valuable for the prime markets and increase in crop yields. Despite t… RUF-36926 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Distribution of maize lethal necrosis disease, its causal viruses and alternative hosts in north and central regions of Tanzania M. A. Bekunda · P. Lava Kumar · Allan Mariki · S. Munissi +2 more Maize is an important income generating food crop in Tanzania. However, yields remain low due to several limiting factors including among others diseases caused by fungi and viruses. The threat caused by several biotic factors in the count… RUF-36924 2016 CC BY 4.0 15 Sep 2017