Search the knowledge archive

R. Akatwijuka · T.L. Odong · P.R. Rubaihayo

Sorghum (Sorghum bicolor L. Moench) is an economic and staple crop in sub-Saharan Africa. The genetic diversity in its germplasm is an invaluable aid for its crop improvement. The objective of this study was to assess the existing genetic …

RUF-35946 2016 CC BY 4.0 26 May 2016

E. Afutu · M. Biruma · K.E. Mohammed · T.L. Odong +1 more

Aims: This study was conducted to identify cowpea (Vigna unguiculata) cultivars with high yield potential and resistance to scab disease caused by Sphaceloma sp. in Uganda. 100 cowpea genotypes were evaluated at two locations (Kabanyolo an…

RUF-35935 2016 CC BY 4.0 3 May 2016

Nafisa Elmahi Ahmed · Abdelbagi Mukhtar Ali · Ibrahim Hassabelrasoul Babiker · Mayada Mamoun Beshir +2 more

Turcicum leaf blight, though a common sorghum (Sorghum bicolor L.) disease in Sudan, there is little documented information on its occurrence and distribution in the country. Accordingly, a survey was commenced in 2014 with the objectives …

RUF-35928 2015 CC BY 4.0 31 Mar 2016

N.E. Ahmed · A.M. Ali · M.M. Beshir · P. Okori +1 more

Deployment of host resistance remains the most cost effective strategy for management of foliar and grain diseases, especially for resource constrained farmers. There is paucity of information on dual resistance in sorghum to both diseases…

RUF-35921 2016 CC BY 4.0 31 Mar 2016

W. Sunda

Maize is an important crop in Kenya but is adversely affected by Striga hermonthica weed that reduces yields considerably, especially in Western Kenya. Single stand-alone management strategies for the weed have been used, but each has had …

RUF-35908 2014 CC BY 4.0 29 Feb 2016

Settumba Mukasa

The Cassava Community Action Research Project (CARP) is aimed at enhancing sustainable production, processing and marketing of cassava and cassava products among the farming communities. Specifically, the project is focusing on quality cas…

RUF-35892 2015 CC BY 4.0 3 Feb 2016

G. Asea · Paul T. Gibson · P. Okori · L. Tembo

Maize cob rot caused by Fusarium graminearum and Stenocarpella maydis affects grain yield and quality. The objective of this study was to investigate the appropriateness of multiple infection as a selection and breeding strategy for multip…

RUF-35889 2012 CC BY 4.0 3 Feb 2016

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

Titus Alicai · Basavaraj Bagewadi · Claude M. Fauquet · J. F. Kreuze +7 more

Cassava brown streak disease (CBSD) is emerging as one of the most important viral diseases of cassava (Manihotesculenta) and is considered today as the biggest threat to cassava cultivation in East Africa. The disease is caused by isolate…

RUF-35871 2010 CC BY 4.0 3 Feb 2016

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

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

RUF-35796 2016 CC BY 4.0 12 Jan 2016

Mwahija Almasi Irika

Sunflower contributes about 40% of total national cooking oil requirement in Tanzania, ranking as one of the most important cooking oil with very high nutritional value. However, its production per unit area ranges between 800 and 1100 kg/…

RUF-35636 2015 CC BY 4.0 8 Oct 2015

C.I. Sibomana

Tomato (Lycopersicon esculentum M.) is a fruit vegetable, and like most horticultural commodities is highly perishable. It is often exposed to stresses either imposed by other organisms (biotic) or arising from imbalance of environmental f…

RUF-35633 2011 CC BY 4.0 8 Oct 2015

G. Asea · Paul T. Gibson · Patrick Okori · L. Tembo

Maize cob rot caused by Fusarium graminearum and Stenocarpella maydis affects grain yield and quality. The objective of this study was to investigate the appropriateness of multiple infection as a selection and breeding strategy for multip…

RUF-35626 2012 CC BY 4.0 7 Oct 2015

J. Kibuka · S. Kyamanywa · M. Mgonja · P.W. Muturi +1 more

The lepidopteran Chilo partellus Crambid, an introduced pest in East and southern Africa from Asia, is the most economically important stem borer species infesting cereals in Africa. Chilo partellus causes more than 40% yield loss in sorgh…

RUF-35624 2012 CC BY 4.0 7 Oct 2015

C. T. Hash · S. Kyamanywa · M. Mgonja · P.W. Muturi +2 more

Sorghum (Sorghum bicolor) is an important cereal food crop in semi-arid tropics, but its productivity is curtailed mainly by insect pests and diseases. The African stem borer, Busseola fusca Fuller (Lepidopteran: Noctuidae), is among the m…

RUF-35621 2012 CC BY 4.0 7 Oct 2015

Y. Beyene · S.N. Mugo · S.W. Munyiri · J.K. Mwololo +4 more

Post-harvest losses caused by the larger grain borer (LGB, Prostephanus truncatus) aggravate food insecurity among small-scale farmers. Host plant resistance is a method of LGB control which should be prioritized in order to reduce these l…

RUF-35615 2012 CC BY 4.0 7 Oct 2015

C. Magorokosho · X. Mhike · P. Okori · Ndlela. Thokozile

Breeding progress for drought tolerance in maize has been slow since drought tolerance is a complex trait controlled by many genes. Breeders improving maize for drought tolerance have therefore been using secondary traits and selection ind…

RUF-35606 2012 CC BY 4.0 7 Oct 2015

James Wangai Kimenju · James Mucunu Mbaria · Agnes Sarah Nalule

In-vitro studies were conducted to determine the anthelmintic activity of ethanolic and water extracts of Vernonia amygdalina and Secamone africana used by agro-pastoralists in semi-arid land Uganda. The plant materials were collected from…

RUF-35603 2013 CC BY 4.0 7 Oct 2015

Shamiso. Chikobvu · Kassie. Girma Tesfahun · C. Magorokosho · X. Mhike +1 more

Maize production and productivity among small scale farmers of southern Africa is limited mainly by drought and low soil fertility. This study aimed at assessing how farmers prioritize selection of varieties for planting under drought stre…

RUF-35601 2012 CC BY 4.0 7 Oct 2015

L. Chapman · Jeremiah Kang’ombe · J. Yatuha

Clarias liocephalus is an air-breathing catfish inhabiting wetland and river systems in East Africa. This catfish is in highdemandforsaleaslivebaitintheNileperchfisheryof Lake Victoria and equally important in the diet of local communitiesint…

RUF-35593 2012 CC BY 4.0 7 Oct 2015

A. BomBom · P. Gibson · P. Okori · P. Rubaihayo

Specialty maize lines possessing important endosperm genes waxy and/or opaque-2 enhance processing and nutritional qualities of the grain. However, production and utilization of specialty maize varieties for food, feeds and various industr…

RUF-35576 2012 CC BY 4.0 6 Oct 2015

Godfrey. Ssendege

This study was conducted to enhance breeding for resistance to soybean rust, the greatest obstacle to soybean production in Uganda. To undertake this assignment, 91 exotic soybean accessions and 39 advanced lines available from the Nationa…

RUF-35538 2015 CC BY 4.0 30 Sep 2015

S. Munialo

Decreasing land holdings among smallholder farmers in Vihiga and Jinja have resulted in intensive land utilization. This has in turn led to low soil fertility level which has resulted in decline in the abundance and distribution of phyto-d…

RUF-35527 2013 CC BY 4.0 29 Sep 2015