Working Document Series Open Access Characterisation of micronutrient (zinc and iron), dense tropical maize hybrids grown in two different environments in Zambia L. Sinyinda Iron and zinc deficiencies that are prevalent in most sub-Saharan African countries have been attributed to the low grain micronutrient levels in local varieties. The study characterised micronutrient (iron and zinc) dense maize germplasm … RUF-34697 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Identification of drought related and drought responsive genes in cassava Harvey. Jagger · E.B. Kizito · Ferguson. Morag · L. Turyagyenda Conventional cassava breeding has yielded a lot of progress for many traits including pest and disease resistance and high yields but little progress has been made with respect to drought tolerance. It is believed that molecular breeding o… RUF-34689 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Analysis of drought tolerance in selected upland rice genotypes in Uganda Y. Baguma · J. Lamo · B.S. Namazzi · P. Okori Breeding for drought tolerance requires a clear understanding of the mode of gene action for this trait. To understand the action of drought tolerance genes in upland rice varieties in Uganda, a study was carried out to establish the gener… RUF-34652 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Genetic variation of Zambian maize inbred lines commonly used in breeding Richard Chanda · C. Mungoma · M. Mwala · K. Mwansa +1 more In sub-Saharan Africa (SSA), breeders have the challenge of developing high yielding maize hybrids that are adapted to farmers’ conditions. This however requires knowledge on the breeding value of elite maize germplasm. Ten (10) maize inbr… RUF-34610 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Development of improved scald tolerant barley varieties with superior enduse (malt) and nutritional quality for dry land areas of the northern Ethiopia Asmud. Bjornstad · R. Edema · Abay. Feiten Barley is an important cash crop for resource-poor farmers in Tigray region of northern Ethiopian where options are very limited, and barley is often the only possible crop. Biotic stresses plus a harsh environment have contributed to low … RUF-34600 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Farmers’ perceptions on maize ear rots and the prospects for breeding farmer preferred varieties in Uganda G. Asea · P. Gibson · P. Okori · L. Tembo Maize ear rots are a major constraint to maize production globally, and yield loses of up to 70% have been reported in Uganda. Developing varieties resistant to ear rots is a practical strategy that provides better insurance for the small … RUF-34586 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Tomato curl stunt virus management strategies for all year round tomato production in Mozambique C. Ecole · B. Francisco · A. Mondjana · B. Nhaulaho +1 more Tomato is the most popular vegetable in the home garden all over the World as well as in Mozambique. Tomato production in Mozambique has been recently affected by Tomato curl stunt virus (ToCSV) disease, a devastating viral disease that is… RUF-34569 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Developing a broad soybean germplasm base and durable resistance to soybean rust disease in Uganda R. Kawuki · P. Tukamuhabwa · G. Tusiime Soybean rust, Phakopsora pachyrhizi is a major threat to soybean production world-wide. In Uganda breeding for soybean rust resistance has taken priority over other objectives since the first disease rust outbreak in 1996. Three resistant … RUF-34535 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Enhancing sweetpotato resistance to African weevils (Cylas puncticollis and Cylas brunneus) through transgenic breeding J. F. Kreuze · S.B. Mukasa · R.J. Rukarwa Sweetpotato production is greatly constrained by two weevil species; Cylas puncticollis and C. brunneus that cause yield losses of up to 80%. The use of resistant sweetpotato cultivars is the most sustainable strategy to control the weevil… RUF-34519 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Inheritance of resistance to rice yellow mottle virus disease in selected rice cultivars in Uganda G. Asea · R. Edema · J. Lamo · M.L. Mogga Rice yellow mottle sobemovirus (RYMV) has been identified as the most destructive viral disease in lowland and upland rice. In this study, the mode of inheritance of resistance to a prevalent RYMV strain in Uganda was determined for five r… RUF-34477 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Genetic inheritance studies and early generation marker selection in maize breeding for drought tolerance C. Magorokosho · X. Mhike · P. Okori It has been estimated that approximately US $10 billion of primary food production is lost annually because of drought. Interventions like irrigation are options the majority of the smallholder farmers in sub Saharan Africa cannot afford. … RUF-34476 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Introgressing resistance to Turcicum leaf blight and mapping of associated quantitative trait loci in sorghum M. Abdelbagi Ali · Mayada Mamoun Beshir · P. Gibson · P. Okori Screening for Turcicum leaf blight was carried out in F2 and F2:3 segregating sorghum populations under field and controlled conditions. Disease severity as a percentage of leaf area covered by lesions was computed and the lesion type was … RUF-34473 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Enhancing genetic resistance to soybean rust disease R. Bandyopadhyay · M. Maphosa · C. Mukankusi · H. Talwana Soybean is an important crop worldwide with unrivalled protein quality and content. Sustenance of soybean productivity is, however, compromised by the devastating soybean rust disease caused by the fungus Phakopsora pachyrhizi. Some resist… RUF-34472 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Genetic effects of inbreeding on harvest index and root dry matter content in cassava M. Ferguson · L. Herselman · R.S. Kawuki · M.T. Labuschagne +1 more Inbreeding of predominantly cross-pollinating crops is expected to result in progeny with reduced fitness and or improved phenotypes. The effects of inbreeding in cassava are not well quantified. Accordingly, in this exploratory study, S1 … RUF-34468 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Assessing the efficacy of pyramided genes in conferring dual and durable resistance to bean anthracnose and root rot M. Kiryowa · C. Mukankusi · S. Nkalubo · H. Talwana +1 more Bean anthracnose (Colletotricum lindemuthianum) and root rots are important diseases of beans in Uganda. The coexistence of both diseases on the crop in farmers’ fields and the ability of these pathogens to overcome incorporated resistance… RUF-34465 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Exploiting genome synteny in breeding for Protein Quality and Waxiness in maize and sorghum G. Asea · A. BomBom · R. Edema · P. Gibson +2 more Maize and sorghum are important staple cereals in sub-Saharan Africa. Nonetheless, their utility and remunerability is compromised by a low available lysine content and digestiblitiy of both protein and starch in the endosperm. Over the de… RUF-34425 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Combining ability among interspecific (G. hirsutum x G. barbadense) and mutation derived lines of cotton in fiber quality and agronomic traits N. Bbebe · D.M Lungu · B.M. Siamasonta Zambia’s cotton has had a very good reputation on the international market for a long time. In order to maintain this reputation, the cotton Development Trust of Zambia continues to evaluate germplasm for suitable parents. In this study, t… RUF-34409 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Diversity and colonization of permanent and semi-permanent breeding habitats by Anopheles mosquitoes in a semi-arid ecosystem of Baringo district in Kenya S.O. Arum · E.D. Kokwaro · F. Mulwa Diversity, occurrence and utilization of mosquito breeding habitats is an essential component of vector ecology and important in designing and implementation of vector management programs. A one year larval survey was conducted to determin… RUF-34341 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Building Research Capacity: The case of Burundi M. Inamahoro This manuscript narrates the contribution of the Regional Universities Forum for Capacity Building in Agriculture (RUFORUM) to strengthening research capacity of the National Agriculture Research Institute (ISABU). Burundi is among the thr… RUF-34238 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Impact of the zero grazing practice on milk production by the small scale farmers in Western Kenya H. Affognon · J. Nalunkuuma · F. K. Njonge · D. Salifu The aim of the study was to determine the impact of the zero grazing practice on milk production by the small-scale farmers’ in western Kenya. A cross sectional survey was undertaken on 520 livestock farmers from Kisii and Bungoma counties… RUF-34166 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Breeding for common bean rust in Uganda S. Nkalubo · B. A. Odogwu · P. Rubaihayo Rust caused by the fungi Uromyces appendiculatus is considered as one of the most variable pathogens documented world-wide. In Uganda, rust has been identified as an emerging common bean disease and this has contributed to its being given … RUF-34067 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Role of Universities in development of improved crop varieties, seed production, dissemination and impacts: Case studies of dry, canning, snap and runner beans, pigeonpea and onions P. M. Kimani Mandates of universities in east, central and southern Africa have considerably changed from their traditional teaching and research roles, to greater active involvement in the development agenda of their countries, a phenomenon referred t… RUF-34029 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Local chicken production in northern Uganda: Breeding practices and flock productivity A. Kayitesi · D.R. Kugonza · H. Mulindwa · C. Nakkazi +1 more In Uganda, the local chicken population is estimated at 44 million and these chickens play an integral role in the smallholder farming systems. Contribution of local chicken in rural household economies is mainly limited by its low output … RUF-33992 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Mutation breeding in irish potatoes M. Kinyua · O. Kiplagat · F. K. Kiunga The cultivated potato (Solanum tuberosum L.) originated from the Andean region of South America. Kenyan farmers started potato cultivation in 1920 and entered the export market in 1923. However, while average potato yields in North America… RUF-33950 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Selection strategy for developing maize inbred lines with drought and disease resistance in Uganda G. Asea · B. U. L. Castiano · R. Edema Breeding for host plant resistance along with performance traits requires the use of an effective breeding method and selection strategy. Such a selection strategy and related indices should contribute to reducing the time required for bre… RUF-33842 2014 CC BY 4.0 10 Aug 2015
