Working Document Series Open Access Heterosis and combining abilities for multiple resistance to Turcicum leaf blight and maize streak virus G. Asea · Y. Baguma · P. Okori · L.A. Opio Fifty two single crosses were evaluated for resistance to Turcicum Leaf blight (TLB) and Maize Streak Virus (MSV) resistance across several locations in Uganda in 2009. The crosses were grown in 1-row plots with 2 replications. Subsequentl… RUF-34520 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 Genetic diversity for resistance to larger grain borer in maize hybrids and open pollinated varieties in Kenya S. Mugo · S.W. Munyiri · J.K. Mwololo · P. Okori +1 more Modern maize varieties and hybrids possess improved agronomic performance and tolerance to abiotic and biotic stresses. However, breeding for the traits that contribute to resistance to post harvest pests have not been given due attention.… RUF-34498 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Genetics of resistance to bacterial leaf blight in rice germplasm in Uganda G. Asea · P. Gibson · J. Lamo · P.J. Mudingotto +3 more Bacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae is one of the most serious diseases of rice worldwide. The disease causes significant losses mostly in lowland rice. This study is investigating the mode of gene action of… RUF-34489 2010 CC BY 4.0 25 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 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 Variability in carotenoid content among introduced yellow-fleshed cassava clones R. Edema · J. W. Kamau · P. W. Njenga Cassava is important in semi-arid Kenya. However, the crop is low in micronutrients including beta-carotene. A total of 129 high beta-carotene cassava clones from the International Institute of Tropical Agriculture (IITA) were established … RUF-34434 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Conserve and screen premium value indigenous plant biodiversity and products on women smallholder farming systems of East Africa L.S.M. Akundabweni · A. Namutebi Various interventions for promoting the premium value of indigenous plants (IPs) are being adopted to enhance their status in the food sub sector. The project aims to enhance women smallholder farmers’ capacity in target Lake Victoria Basi… RUF-34426 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 Ethno-botanical and morphological characterisation of cocoyams (Colocasia esculenta L. Schott and Xanthosoma sagittifolum L. Schott) germplasm in Malawi I. R. M. Benesi · F. P. Chipungu · L. Herselman · M. T. Labschagne +1 more Cocoyam accessions of Malawi were characterised using ethnobotany and morphological characters. Thirty above ground qualitative characters were evaluated. The cultivars were identified mainly based on the predominant leaf base and petiole … RUF-34424 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 Collection and documentation of Papaya germplasm in Kenya. G. O. Asudi · E. M. Ateka · A. B. Nyende · F. K. Ombwara +2 more Papaya (Carica papaya L.) is one of the major fruit crops of Kenya and the tropics in general. It shows considerable phenotypic variation in morphological and horticultural traits that can be utilized in genetic improvement. The objective … RUF-34358 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Human resource capacity in conservation and use of plant genetic resources in the SADC region: A review M.P. Munyenyembe · L.L. Qhobela This review presents the main achievements made by the Southern Africa Development Community (SADC) – Plant Genetic Resources Centre (SPGRC) in training and building capacity in conservation and sustainable use of plant genetic resources s… RUF-34322 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Application of molecular markers for biodiversity and taxonomy studies in legume tree species from the miombo woodlands, Niassa Natioanl Reserve, Mozambique L. F. Goulão · I. Maquia · N. S. Ribeiro · A. I. Ribeiro de Barros Miombo is one of the most important types of vegetation of southern Africa covering about 70% of the region. This ecosystem has an immeasurable socio-economic and environmental value. However, its stability is increasingly being threatened… RUF-34269 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Combining ability and gene action in a diallel cross of eight sesame genotypes P. Gibson · W Okello-Anyanga · P.R. Rubaihayo · P. Tukamuhabwa An 8 x 8 diallel cross mating design with the parents and F1s excluding the reciprocals was used to estimate gene action and combining ability analysis for yield and some yield components in sesame (Sesamum indicum). These genotypes were e… RUF-34073 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Diversity assessment of cassava mutants, hybrids and landraces using morphological markers E. E. Arunga · M. Chelulei · E. Chepkoech · S. Kimno +2 more Cassava (Manihot esculenta) is a very important crop in terms of adaptability to various micro-environments, flexibility in management, returns, and multiple uses as food and in various industries. Knowledge of levels of genetic variation … RUF-33871 2014 CC BY 4.0 11 Aug 2015
Journal articles Open Access Simple sequence repeats (SSR) diversity of cassava in South, East and Central Africa in relation to resistance to cassava brown streak disease T. Alicai · Y. Baguma · M. Ferguson · P. Gibson +8 more This study was conducted to: (1) determine the amount and structure of the genetic diversity of cassava in southern, eastern and central (SEC) Africa using simple sequence repeat (SSR) markers, (2) determine the frequency and distribution … RUF-33665 2013 CC BY 4.0 14 Apr 2015
Journal articles Open Access Distribution and Variability of Pseudocercospora griseola in Uganda G. Ddamulira Pseudocercospora griseola the casual pathogen for angular leaf spot (ALS) on common bean (Phaseolus vulgaris) is highly variable with many different races occurring in different agro-ecological zones. Therefore, for an effective breeding p… RUF-33649 2014 CC BY 4.0 14 Apr 2015
Newsletters Open Access The RUFORUM Monthly Newsletter, June 2014 - ICT in the RUFORUM Network: Changing Pedagogical Paradigms, Priorities, and Practice Nodumo Dhlamini · Lisbeth Levey RUF-33238 2014 CC BY 4.0 25 Jun 2014
Working Document Series Open Access Potential Application of Natural Variability of Arabidopsis Thaliana Accessions in Genomics of Xanthomonas Campestris pv Pusacearum M.R. Grant · J. Kubiriba · G. Tusiime · A. Wasukira The banana Xanthomonas wilt epidemic in the Great Lake region of Africa has destroyed banana and is affecting livelihoods of thousands of people who depend on the crop. Currently, there are no banana varieties resistant to the disease. Gen… RUF-33007 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Phakopsora Pachyrhizi Diversity and Rust Resistance in Soybean Genotypes in Uganda T. Obua · P. Tukamuhabwa · G. Tusiime The objectives of this study were twofold: (i) to validate use of SSR markers in assessing Phakopsora pachyrhizi diversity in Uganda and (ii) to assess elite soybean lines for resistance to rust in diverse locations in Uganda. A dendogram … RUF-32971 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Assessment of Impacts of Climate Variability and Change on Rainfed Sorghum Productivity in Central Tanzania N. Kihupi · B. Msongaleli · F.B.R. Rwehumbiza · S.D. Tumbo The central regions of the country stretching from Dodoma to Mwanza account for three-quarters of Tanzania’s 500,000 to 800,000 ton annual sorghum harvest. The zone is one of the most sensitive to climate variability and change mainly owin… RUF-32864 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Comparison of the Egg Characteristics of Different Sudanese Indigenous Chicken Types Mohammed Kheir Abdelrahman · Dafaalla Mohammed Mekki · Hassan Hussein Musa · Jin-yu Wang +1 more Three local types of Sudanese indigenous fowls, large Baladi (LB), Bare-neck (BN) and Betwil (BT) were characterised for maturity live weight and egg characteristics. The BN average live weight (1547.2±274.5 gm) was heavier than either LB … RUF-32627 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Impact of transgenic sweet potato on non-target species M. Ghislain · W.J. Moar · S.B. Mukasa · B. Odongo +2 more Sweetpotato is affected by the sweetpotato weevil (Cylas spp.) which caused immense tuber yield loss in many sub-Saharan Africa countries. Management of this pest is still difficult. The International Potato Centre has introduced insectici… RUF-32568 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Strengthening Breeding for Resistance to Turcicum Leaf Blight in Sorghum: Mapping of Resistance Quantitative Trait Loci M. Abdelbagi Ali · D. Kiambi · Beshir Mayada M. · P. Okori Sorghum cultivars grown in East and Central Africa are susceptiple to various foliar diseases, of which turcicum leaf blight, caused by Exerohlium turcicum, causes severe damage. The best way to control foliar diseases is by breeding resis… RUF-32499 2012 CC BY 4.0 17 May 2014
