Journal articles Open Access Quantification of Aloin in Aloe barbadensis Miller Leaf Gel and Latex from Selected Regions of Kenya J. K. Cherutoi · V. J. Kosgei · C. K. Nakiguli · J. Odda Aloe barbadensis Miller (A. barbadensis) has been reported for use in the traditional management of malaria in Kenya. Aloin (an anthraquinone-C-glycoside) is one of the therapeutic molecules in Aloe species that is responsible for their an… RUF-39675 2022 CC BY 4.0 23 Sep 2022
Journal articles Open Access Phytochemical Composition and Antioxidant Activities of Phosphate Buffered Saline and Aqueous Extracts of Aloe barbadensis Miller Leaf Latex and Gel from Three Counties of Kenya J. K. Cherutoi · V. J. Kosgei · C. K. Nakiguli · J. Odda Aims: Aloe barbadensis Miller (A. barbadensis) is one of the most treasured species from the Aloe genus that has been used in management of various ailments. However, there are few reports on the secondary metabolites, total phenolic conte… RUF-39674 2022 CC BY 4.0 23 Sep 2022
Working Document Series Open Access Efficacy of Neem (Azadirachtin indica) biopesticide against tomato leaf miner (Tuta absoluta) in greenhouse conditions D. C. Kilalo · James Wangai Kimenju · D. M. Mutegi · C. N. Waturu The Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is one of the most devastating invasive new pest affecting tomato crops in Kenya. This study evaluated the insecticidal effect of neem (Azadirachtin indica) against Tuta absoluta at va… RUF-38783 2018 CC BY 4.0 16 Sep 2020
Working Document Series Open Access Occurrence and distribution of groundnut rosette disease in Western Kenya A. S. Mabele · B. Mukoye · M. F. O. Ndong’a · O. P. Orakha +2 more Groundnut (Arachis hypogaea Linn) is an important legume in western Kenya, but yields are low and declining. Pests and diseases are ranked high among the yield reducing factors. Groundnut rosette disease (GRD) is the main disease and can c… RUF-38692 2018 CC BY 4.0 12 Sep 2020
Working Document Series Open Access Analysis of agro-morphologic diversity of Zambian sesame (Sesamum indicum (l.)) landraces G. Munkombwe · M. Mwala · D. Nguni Twenty-eight sesame landraces were grown in the field at Mt Makulu Research Station during the 2013/14 cropping season and agro-morphological variation estimated based on 24 morphologic and agronomic descriptors. The landraces were obtaine… RUF-38626 2018 CC BY 4.0 4 Sep 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
Working Document Series Open Access Effect of low tannin sorghum on sensory characteristics of layer eggs and broiler meat M.G. Gicheha · L. Kabuage · J.N. Kinyuru · J. N. Mburu +2 more The sensory characterization of food and food products is necessary to measure its consumer acceptance as it rates the preference of consumer with regards to the intervention made. low tannin sorghum is important as a feed but its acceptab… RUF-38568 2018 CC BY 4.0 19 Aug 2020
Working Document Series Open Access Influence of crop age on nutritional quality of fresh roots from popular coastal Kenyan cassava varieties G. O. Abong · C. K. Katama · M. W. Okoth · S. Shibairo Cassava is an important crop in coastal Kenya commonly harvested at 12 months after planting but earlier during food shortages. Effect of early harvesting on root quality has not been well established. Varieties Tajirika, Karembo and Kiban… RUF-38566 2018 CC BY 4.0 19 Aug 2020
Theses & Dissertations Open Access A Study of the Dynamics of Sunburn Reduction in Apple (Malus domestica) Using Foliar Applications of a Combination of Boron and Calcium A. Mwije Apple fruit sunburn browning (SBB) is largely a climate-related disorder that reduces fruit quality leading to serious financial losses. The aim of this research was to unravel the mode-of-action by which post-full-bloom foliar boron plus … RUF-38555 2020 CC BY 4.0 17 Aug 2020
Journal articles Open Access Apple Peel Biochemical Changes after Foliar Application of Combined Boron and Calcium I. Phenolics and Physico-Chemical Attributes E. W. Hoffman · E. Lötze · A. Mwije Post-full bloom foliar applications of boron in combination with calcium (B+Ca) suppress fruit sunburn-browning incidence in apples (Malus domestica). However, the mode-of-action is not yet explained and hence, protocols to exploit this se… RUF-38554 2020 CC BY 4.0 17 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 An analysis of the profitability and factors driving farmers’ decisions to produce bioethanol from cassava in Northern Uganda J Ilukor · J. Mugisha · Settumba Mukasa · D. Opolot The study examined profitability of producing bioethanol from cassava among smallholder farmers in northern Uganda. Although small scale production of bioethanol was found to be profitable, selling cassava dry chips was found to be more pr… RUF-38485 2018 CC BY 4.0 12 Aug 2020
Journal articles Open Access Effect of phosphorus deficiency on phenolics and antioxidants content of two African nightshade varieties grown in Kenya J. P. Gweyi Onyango · W. Musila · P. Nawiri · J. Ogembo Oyaro Indigenous vegetables form an integral part of the Kenyan diets, most commonly consumed being the African nightshade. These vegetables contain important phenolics and antioxidants that have medicinal and good health attributes. Their produ… RUF-36684 2017 CC BY 4.0 18 May 2017
Journal articles Open Access Nutritional quality and functional properties of baobab (Adansonia digita) pulp from Tanzania Angela Aluko · Lucy Mlipano Chove · Peter Kahenya · J.N. Kinyuru +1 more Baobab (Adansonia digitata L.) is a majestic tree associated with human habitation in some of the semi-arid regions of Africa and establishes an enormous economic and nutritional importance to the rural residential districts. The fruit pul… RUF-36547 2016 CC BY 4.0 18 Jan 2017
Theses & Dissertations Open Access Effects of water stress on antioxidant activity and phenolic contents of African nightshades and their distribution in Kisii and Siaya counties of Kenya Peter Okello Odhiambo Drought is a major abiotic factor limiting crop productivity in many regions of the world. It causes reduction in plant growth, dry matter accumulation and decline in plant water status of the plants and in certain cases interferes with bi… RUF-34879 2015 CC BY 4.0 14 Sep 2015