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 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 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
Journal articles Open Access Effect of Marker Aided Pyramiding of Anthracnose and Pythium Root Rot Resistance Genes on Plant Agronomic Characters among Advanced Common Bean Genotypes M. Kiryowa One of the factors that accounts for the low yields in common bean is the simultaneous occurrence of diseases on the common bean crop. Bean root rots and anthracnose are the most important common bean diseases that simultaneously occur on … RUF-33700 2015 CC BY 4.0 22 May 2015
Journal articles Open Access Identification of new sources of resistance to angular leaf spot among Uganda common bean landraces G. Ddamulira · R. Edema · P. Gepts · C. Mukankusi +2 more Breeding for resistance to Angular Leaf spot (ALS), a fungal disease caused by Pseudocercospora griseola (Sacc), is faced with a challenge of the existence of a few resistance sources that are exotic and not well adapted to environmental c… RUF-33652 2014 CC BY 4.0 14 Apr 2015
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 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 Maize streak virus (MSV) diversity in Uganda and the assessment of gene silencing as a tool for development of resistance to MSV B.E. Owor · D.M. Shepherd · J.A. Thompson Through an extensive survey conducted in all maize-growing regions in Uganda as well as the application of gene silencing to develop a novel disease control option for maize streak disease, the diversity of Maize streak virus (MSV) in diff… RUF-32561 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Inheritance of Resistance to Rice Yellow Mottle Virus in Interspecific and Intraspecific Rice in Uganda R. Edema · P. Gibson · J. Lamo · E. Munganyinka Rice Yellow Mottle Virus sobemovirus (RYMV) has been noticed as major constraint of both upland and lowland rice. It is highly infectious, variable and several resistance-breaking strains have been identified. The effective control was mai… RUF-32530 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Development of Fusarium Root Rot Resistant Ideotypes in Common Bean C. Mukankusi · J. Obala The study is aiming at developing a superior breeding parent for Fusarium root rot resistance through pyramiding non-allelic resistance genes from five different parents. The rationale is to accumulate and fix resistance quantitative trait… RUF-32520 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
Working Document Series Open Access Enhancing soybean rust resistance through gene pyramiding M. Maphosa · H. Talwana · P. Tukamuhabwa The threat posed by soybean rust (Phakopsora pachyrhizi) on soybean production is worsened by resistance breakdown associated with single gene resistance present in most cultivars. Few studies have, however, been undertaken to use mapped s… RUF-32490 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Combining Ability for Resistance to Soybean Rust in F2 and F3 Soybean Populations M. Maphosa · H. Talwana · P. Tukamuhabwa Combining ability for soybean rust resistance was estimated from a half diallel cross of eight soybean lines using disease severity and sporulation rates as indices for resistance. A consistent contribution of additive gene action was obse… RUF-32486 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Inheritance of Bacterial Leaf Blight Resistance in Crosses Involving Interspecific and Intraspecific Rice Genotypes R. Edema · J. Lamo · R.K. Lussewa Bacterial leaf blight (BLB) of rice, caused by Xanthomonas oryzae pv. oryzae is a destructive disease prevalent in most rice growing countries. It is a serious problem under all managements, but especially in irrigated and high fertilizer … RUF-32482 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Enhancing resistance to angular leaf spot of common bean in Uganda G. Ddamulira · R. Edema · C. Mukankusi · G. Ochwo-Ssemakula +1 more Angular leaf spot (ALS) is an important disease of common bean in Uganda. The presence of resistance sources with narrow adaptability coupled with pathogen’s variability have greatly undermined previous breeding efforts leading to severe y… RUF-32461 2012 CC BY 4.0 16 May 2014
Theses & Dissertations Open Access Evaluation of Tsetse Salivary Gland Growth Factor-2 and Tsetse Antigen- 5 as Markers of Exposure to Tsetse Bites in Cattle Samuel Posian Wamala During their blood meals, arthropod vectors including tsetse flies inject saliva into their hosts to enhance their feeding efficiency. The salivary gland secretions include a number of proteins some of which can elicit the host’s immune re… RUF-31697 2013 CC BY 4.0 13 Mar 2014
Journal articles Open Access Identification of Near-Isogenic Lines Resistance to Rice Yellow Mottle Virtus R. Akromah · A. Jaw · M.N. Ndjionndjop · Y. Séré Rice yellow mottle virus (RYMV) is a serious disease in rice production in the lowland and irrigated ecologies. A study was conducted to examine the resistance of rice (Oryza sp.) lines RYMV. One hundred near-isogenic lines (NILs) from BC2… RUF-31588 2012 CC BY 4.0 10 Oct 2013
Working Document Series Open Access Identification of QTL’s Linked for Resistance to Maize Cob Rot Caused by Fusarium graminearum in Tropical Maize G. Asea · P. Gibson · P. Okori · L. Tembo Maize cob rots caused by Fusarium graminearum cause yield losses and quality as a result of produced mycotoxins. Developing varieties resistant to cob rots is an alternative strategy that is practical and provides better insurance for the … RUF-31579 2012 CC BY 4.0 9 Oct 2013
Working Document Series Open Access Field Screening of Bread Wheat for Partial Sources of Resistance to Stem Rust S. Bhavani · P. Njau · F.M. Nzuve · G. Tusiime The stem rust Puccinia graminis tritici race ug99 (TTKSK) and its variants results into wheat grain losses ranging from 70- 100%. This study was set up at the Kenya Agricultural Research Institute (KARI), Njoro to identify sources of parti… RUF-31552 2012 CC BY 4.0 8 Oct 2013
Working Document Series Open Access Usefulness of F3 Testcrosses to Identify Bi-Parental Maize Populations with the Best potential for Producing Superior Inbreds G. Asea · R. Edema · F. Nizeyimana Maize is an important crop in the East African region, but continues to be plagued by biotic and abiotic constraints. Genotypes carrying genetic resistance to these constraints in addition to having good agronomic traits are the most desir… RUF-31542 2012 CC BY 4.0 7 Oct 2013
Working Document Series Open Access Genetics of Resistance to Groundnut Rosette Virus Disease among Groundnut Landraces in Uganda R. Edema · P. Gibson · S.I. Kayondo · B.R. Ntare +1 more Groundnut rosette virus disease (GRVD) is caused by a trio of viral components and is a major disease that can cause 100% crop losses in an epidemic situation. Thus, continued effort to develop resistant groundnut cultivars is critical in … RUF-31526 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Development of Dual-Purpose Sorghum for Grain and Forage S. Chikuta · P. Okori Sorghum varieties have been developed specifically for grain, forage or stem sugar but not for dual-purpose combining grain and forage use. Dual-purpose varieties could be beneficial to the resource-poor farmers by providing grain for huma… RUF-31508 2012 CC BY 4.0 5 Oct 2013
Journal articles Open Access Evaluating Genetic Association between Fusarium and Pythium Root Rots Resistances in the Bean Genotype RWR 719 P.O. Ongom Resistance to Fusarium root rot (Fusarium solani f.s.p phaseoli) has been reported in common bean (Phaseolus vulgaris L.) sources and is usually associated with Pythium root rot resistance. Pythium root rot (Pythium ultimum var ultimum) re… RUF-31427 2012 CC BY 4.0 28 Sep 2013
Journal articles Open Access Genetic Diversity among Farmer-Preferred Cassava Landraces in Uganda Y. Baguma · M.E. Ferguson · P. Gibson · J.W. Harvey +2 more Understanding of genetic diversity among a breeding population is an important requirement for crop improvement as it allows for the selection of diverse parental combinations and formation of heterotic pools for genetic gain. This study w… RUF-31424 2012 CC BY 4.0 28 Sep 2013