Working Document Series Open Access Response of selected tomato varieties (Solanum lycopersicum) to tomato yellow leaf curl virus N. J. Siganka Lack of tomato varieties that are tolerant to Tomato Yellow Leaf Curl Virus (TYLCV) is the major problem that hinders the control and management of TYLCV severity on tomato plants. The pathogen is transmitted from leaf to leaf by a vector,… RUF-38738 2018 CC BY 4.0 15 Sep 2020
Theses & Dissertations Open Access Screening finger millet (Eleusine coracana L. Gaertn) genotypes for resistance to witch weed (Striga asiatica L. Kuntze) infection under controlled environments Makani Kudzai Witch weed (Striga asiatica L. Kuntze) is an obligate hemi-parasitic weed that causes severe yield losses in cereals. The use of tolerant or resistant genotypes is perceived to be the most economically feasible and effective method of cont… RUF-38161 2019 CC BY 4.0 1 Mar 2020
Journal articles Open Access New sources of resistance to spotted stem borer, Chilo partellus in sorghum 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
Journal articles Open Access Novel source of sorghum tolerance to the African stem borer, Busseola fusca 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
Journal articles Open Access Validation of the use of secondary traits and selection Indices for drought tolerance in tropical maize (Zea mays l.) 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
Journal articles Open Access An appraisal of farmer variety selection in drought prone areas and Its implication to breeding for drought tolerance 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
Theses & Dissertations Open Access Participatory evaluation of sweet potato varieties response to virus infection in central Kenya P.W. Muturi Sweet potato is an important food and cash crop grown by small holder farmers but its productivity is limited by sweet potato virus disease (SPVD). Farmers' lack of disease free vines and inadequate knowledge on identification and manage… RUF-35490 2008 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Evaluation of physiological and agronomic responses as screening techniques for yield and water stress tolerance in wheat Cultivars In Tigray, Ethiopia Mohammed Mebrahtu Mossa Water stress is one of the major environmental factors that inhibits metabolic processes and constrains plant growth and crop productivity in the majority of agricultural fields. Wheat is generally grown on arid-agricultural fields and wat… RUF-35334 2013 CC BY 4.0 21 Sep 2015
Newsletters Open Access The RUFORUM monthly Newsletter September, 2011 RUF-35284 2011 CC BY 4.0 18 Sep 2015
Working Document Series Open Access Participatory selection and development of drought tolerant cassava varieties for farmers in marginal areas Y. Baguma · E. Balyejusa-Kizito · J. Bisikwa · D.S.O. Osiru +1 more Most breeding experiments suffer from the disadvantage that the major stakeholders are not involved in the selection and development of the varieties. This scenario leads to poor adoption and diffusion of the resulting technologies. Partic… RUF-35240 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Comparison of selection indices for drought tolerance in common beans for the dry environments of Tanzania N. Lwiyiso Kilasi · M. Mwala · S. Nchimbi-Msolla This study assessed yield performance of common bean genotypes under different levels of drought stress (waster stress periods). Subsequently, drought susceptibility index (DSI), sensitivity index (SI) and drought intensity index (DII) wer… RUF-35211 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Differential gene expression in nematode-susceptible and -tolerant East African highland bananas following inoculation with non-pathogenic Fusarium oxysporum endophytes D. Coyne · T. Dubois · P. Paparu · A. Viljoen Endophytic non-pathogenic Fusarium oxysporum isolates have been shown to reduce Radopholus similis populations through induced resistance. We used cDNA-AFLPs to identify genes induced in banana plants susceptible (cv Nabusa, AAA-EA) and to… RUF-35131 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluation and selection of drought and pod borer (Helicoverpa armigera) tolerant chickpea genotypes for introduction in semi-arid areas of Kenya P.K. Kimurto · R.M.S. Mulwa · B.K. Towett This study evaluated 289 chickpea lines for drought tolerance, and 30 for pest resistance. Several promising genotypes have been identified (ICC 2580, ICC 7272, ICCV 92311, ICC 3362, ICCV 95311, ICC 506, EC 583311, ICCVX 906183-1), and the… RUF-35126 2010 CC BY 4.0 16 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 Evaluation of physiological and morphological traits conferring drought tolerance in cowpea D. Lungu · K. Simango A field study was carried at Gwebi VTC to determine relationships among the morpho-physiological traits associated with drought tolerance in cowpea. Fifteen genotypes were planted in RCBD with three replications under two moisture environm… RUF-34685 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 Development of aluminium toxicity tolerance system for sorghum in agro ecological region three of Zambia S. Chikuta The overall objective of this study was to characterize selected sorghum varieties for Aluminium (Al) tolerance. The specific objectives were to determine performance of selected sorghum varieties grown in Al prone environments, identify r… RUF-34568 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Combining ability and performance of maize hybrids under low nitrogen and drought stress G. Asea · R. Edema · A. Nyombayire The main objective of this study was to develop maize genotypes that perform well under drought and low-nitrogen stresses. Twelve parents were crossed in a half-diallel mating design. The resultant F1 hybrids were evaluated in four environ… RUF-34506 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 Response of sorghum genotypes to indigenous and exotic stem borers in Kenya P. Gibson · S. Kyamanywa · M. Mgonja · P.W. Muturi +1 more Field trials are being conduced in Kenya to identify sources of resistance, especially multiple resistance to Buseola fusca and Chilo partellus, two devastating pests of maize in sub-Saharan Africa. Genotypes ICSB 464, ICSB 467, Macia, IES… RUF-34367 2010 CC BY 4.0 20 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 Inheritance of Phosphorus use Efficiency and Resistance to Anthracnose in Selected Sorghum Genotypes Grown in the Acid Soils of Western Kenya S. Gudu · A. Nyambok · P. Okori The acid soils of Western Kenya where most of the sorghum is grown have very low available phosphorus, and thus cannot support optimal sorghum productivity. In addition, foliar anthracnose (Colletotrichum sublineolum L.) also reduces sorgh… RUF-32546 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Inheritance of Tolerance to Intermittent Drought from Selected Potato (Solanum Tuberosum) Cultivars in South Western Uganda I.N. Kashaija · V.E. Kesiime · G. Tusiime The study objective of this study is to characterise new potato clones for drought tolerance under Ugandan conditions. Study genotypes were subjected to three water stress levels and also crossed with susceptible, locally adopted varieties… RUF-32474 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Inheritance of Tolerance to Drought Stress in Selected Common Bean Genotypes W. Amongi · S. Nkalubo · M. Ochwo-Ssemakula The levels of tolerance to cyclic drought stress in selected common bean (Phaseolus vulgaris) lines were evaluated. Findings from this screening showed significant differences in levels of drought tolerance among the parental lines. The ge… RUF-32451 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Fire Regime Characterisation and Mapping in the Niassa National Reserve: Preliminary Results Cangela Aménio · Natasha Ribeiro Niassa National Reserve (NNR) located in northern Mozambique is the largest conservation area in the country. It is subjected to fires every year due to agricultural and forestry activities. This study aims to map and characterise the fire… RUF-32242 2012 CC BY 4.0 15 May 2014
