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 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
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
Journal articles Open Access First record of an entomopathogenic fungus of tomato leafminer, Tuta absoluta (Meyrick) in Tanzania Patrick A. Ndakidemi · M. Chacha · E. R. Mbega · M. Mtambo +2 more Tuta absoluta (Meyrick) is a destructive pest causing adverse environmental and economic effects globally. Management of T. absoluta by synthetic chemicals is of diminutive achievement due to resistance trick of the pest. Harnessing of bio… RUF-38560 2019 CC BY 4.0 17 Aug 2020
Working Document Series Open Access Effects of land use types and seasons on species diversity and abundance of dung beetles in Eldoret, Kenya F. Ayuke · H. Churu · N. Karanja · K. Odhiambo Dung beetles are crucial in livestock systems due to their contribution to dung removal, nutrients cycling, carbon sequestration and sustainable pasture production. There are limited studies to elucidate abundance and species diversity acr… RUF-38544 2018 CC BY 4.0 13 Aug 2020
Books and Book Chapters Open Access Sustainability in Plant and Crop Protection 14: Sustainable Management of Invasive Pests in Africa After many years of research in the field of invasive species, we have learnt that these pests can be disastrous to many cropping systems in Africa, especially in a context where countries are not prepared and do not have monitoring and co… RUF-38415 2020 CC BY 4.0 30 Jul 2020
Theses & Dissertations Open Access Evaluation of entomopathogenic fungus Metarhizium anisopliae var. anisopliae for integrated management of termites (Isoptera: Termitidae) in maize in Siaya County A.W. Khaenje Maize (Zea mays L) is one of the major staple crops in Africa contributing significantly to food security; however its production has been declining in the recent past. Termites are one of the major yield reducers accounting for 50-100% lo… RUF-38120 2014 CC BY 4.0 17 Sep 2019
Theses & Dissertations Open Access Genetics of Cowpea Resistance to Bruchid (Callosobruchus maculatus Fab.) Miesho Belay Weldekidan Cowpea Vigna unguiculata (L.) is an important indigenous legume crop providing dietary protein, minerals, carbohydrates, fats, vitamins and income to many people in Africa, Asia, and Central and South America. However, its production is li… RUF-37865 2019 CC BY 4.0 15 Jan 2019
TAGDev Resources Open Access Maize resistance to stem borers and storage pests: The need for new genetic and functional genomics approaches in future research A. Badji · S. Kyamanywa · L. Machida · T.L. Odong +2 more Insect pests are primary constraints in maize (Zea mays) production in many places in sub-Saharan Africa. Stem borers and storage pests are responsible for severe yield losses and health hazards due to mycotoxin contamination. Integrated p… RUF-37603 2017 CC BY 4.0 16 Apr 2018
Working Document Series Open Access Prevalence of varroa mite infestations among honey bee colonies in Uganda A.M. Akol · D.R. Kugonza · D. Namayanja Honey bees (Apis mellifera) are well adapted insects with great economic importance as pollinators and honey producers. However, their health is being threatened by various diseases and pests among which is the Varroa mite (Varroa destruct… RUF-36916 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access A comparative study of two sampling approaches for the coconut whitefly and its associated parasitoids in Inhambane province, Mozambique D. Cugala · Ronald Kityo Research to develop and evaluate pest management tactics requires meaningful measurements of populations of pests and/or beneficial organisms for accurate and precise estimation. Sample size and number of samples corresponding to fixed lev… RUF-36914 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Invasions by insects in Mozambique – a threat to agricultural production and food security D. Cugala · A. Massamby · O. Miguel · L. Santos +1 more Biological invasions or invasive alien species (IAS) are those plants and animals which are introduced, establish and spread outside of their home range, causing economic, social and environmental harm. The term ‘‘biological invasion’’ hig… RUF-36913 2016 CC BY 4.0 15 Sep 2017
Journal articles Open Access First record of parasitoids associated with the invasive coconut whitefly in Inhambane Province, Mozambique D. Cugala · Ronald Kityo · P. Nampala The coconut whitefly, Aleurotrachelus atratus Hempel (Homoptera; Aleyrodidea) is a highly invasive pest of coconut and ornamental palms (Arecaceae). In Mozambique, it was first detected in 2011 and 100% of infested plants have been reporte… RUF-36659 2017 CC BY 4.0 31 Mar 2017
Working Document Series Open Access Evidence on effectiveness of parasitoids as biological control agents in integrated crop pest management programmes in Africa Ronald Kityo · H. Makuma-Massa · P. Nampala Despite advances in science, technology and innovations, the extent and depth of food insecurity in the developing world remains unconscionable. About 800 million people which constitutes one-sixth of the developing world’s population do n… RUF-36232 2016 CC BY 4.0 18 Oct 2016
Theses & Dissertations Open Access Evaluation of the occurence of parasitoids associated with the invasive coconut whitefly (Aleurotrachelus atratus) in Inhambane Province, Mozambique Ronald Kityo The coconut whitefly, Aleurotrachelus atratus Hempel (Homoptera; Aleyrodidea) is a highly invasive pest of coconut and ornamental palms (Arecaceae). In Mozambique, it was first detected in 2011 and 100% of infested plants have been reporte… RUF-36020 2016 CC BY 4.0 1 Sep 2016
Journal articles Open Access Resistance to anthracnose and turcicum leaf blight in sorghum under dual infection Beshir Mayada M. A half diallel mating design was used to study the inheritance of anthracnose and turcicum leaf blight (TLB) in six sorghum cultivars. Applying pathogens inoculum separately and applying both pathogens simultaneously differently affected t… RUF-35971 2016 CC BY 4.0 20 Jul 2016
Journal articles Open Access Quantitative trait loci for resistance to Stenocarpella maydis and Fusarium graminearum cob rots in tropical maize G. Asea · P. Gibson · P. Okori · L. Tembo Stenocarpella maydis and Fusarium graminearum are the predominant species causing maize (Zea mays L.) cob rots in the tropics and sub-Saharan Africa. Developing varieties resistant to cob rots is an alternative strategy that is practical a… RUF-35888 2014 CC BY 4.0 3 Feb 2016
Theses & Dissertations Open Access Economic evaluation of soybean genotypes under soil fertility variability in northern and eastern Uganda Edward Tanyima Soybean (Glycine Max (L.) Merrill) is an important crop in Uganda as it is the cheapest source of plant protein and income to farmers. Despite breeding for high yielding and disease tolerant soybean genotypes, there has not been a signific… RUF-35862 2015 CC BY 4.0 29 Jan 2016
Theses & Dissertations Open Access Enhancing genetic resistance to soybean rust disease M. Maphosa Soybean (Glycine max L.) is increasingly playing an important nutritive role in the food and feed industry in most countries. However, the crop is currently threatened by soybean rust disease (Phakopsora pachyrhizi). The rapid spread of so… RUF-35859 2013 CC BY 4.0 29 Jan 2016
Theses & Dissertations Open Access Transgenic breeding of sweet potato for resistance to African weevil (Cylas puncticollis) R.J. Rukarwa Sweetpotato weevil (Cylas puncticollis) Boheman is a serious pest throughout Sub-Saharan Africa. The pest causes up to 28% production losses annually in Uganda. Due to difficulties to implement pest management measures and the low level of… RUF-35853 2014 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Resistance of soybean germplasm to the groundnut leaf miner (Aproaerema modicella) In Uganda Mercy Namara Soybean is an important food and cash crop. Its production trend in Uganda has been increasing for the past 10 years, though yields are still below the potential. Soybean productivity is con-strained by a number of both biotic and abiotic … RUF-35851 2015 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Regeneration and transformation systems for improving resistance to weevils in Ugandan sweet potato cultivars A. Sefasi Productivity of sweetpotato [Ipomoea batatas (L.) Lam.] in Sub-Saharan Africa is significantly reduced due to damage caused by weevils, Cylas puncticollis Boheman and C. brunneus Fabricius. The improvement of weevil resistance in sweetpota… RUF-35849 2013 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Inheritance of resistance to brown spot disease in upland rice in Uganda M.Marco Mwendo Brown spot disease, caused by Bipolaris oryzae, is among the biotic threats to rice production in Uganda. The disease is responsible for significant economic losses as it results in loss of both grain quality and yield. Cultural and chemic… RUF-35844 2015 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Characterizing an f2 banana diploid population for identifying and validating molecular markers for weevil resistance Ivan Kabiita Arinaitwe The banana weevil (Cosmopolites sordidus Germar) is the most important insect pest of banana and plantain in Africa. Most East African highland bananas (EAHB) are highly susceptible to it. Sources of resistance to most pests and diseases a… RUF-35841 2014 CC BY 4.0 28 Jan 2016
Theses & Dissertations Open Access Resistance in tropical maize to the maize weevil and larger grain borer J.K. Mwololo Storability of maize grain is constrained by two postharvest insect pests namely the maize weevil (Sitophilus zeamais) and larger grain borer (LGB) (Prostephanus truncatus). Host plant resistance is the most economic way to manage such pes… RUF-35832 2013 CC BY 4.0 28 Jan 2016
