Journal articles Open Access Genetic variability for malting quality, yield and yield related traits of Ethiopian sorghum [Sorghum bicolor (L.) Moench] genotypes L. Berhane · M.H. Firew · H.M. Gobezayohu · T.M. Taye Sorghum is drought tolerant C4 tropical crop with wide diversity grown for food, feed and beverages. There is a growing demand for food and malt type sorghum varieties due to the low supply of mat barley, climate resilient and gluten free … RUF-38098 2019 CC BY 4.0 19 Aug 2019
Journal articles Open Access Mode of inheritance of promiscuous nodulation and combining abilities in soybean genotypes E.E. Agoyi · Godfree Chigeza · K.E. Mohammed · T.L. Odong +2 more Knowledge of the mode of inheritance of a trait can be a powerful decision-making tool in a breeding program, as it helps predicting selection gain, defining breeding strategy and choosing parental lines. This study aimed at estimating gen… RUF-36023 2016 CC BY 4.0 4 Sep 2016
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
Working Document Series Open Access S1 and S2 selection of Longe 4 maize variety for tolerance to low soil nitrogen in Uganda G. Asea · R. Edema · P. Gibson · P. Namugga Low nitrogen is a major environmental stress leading to low yields in maize. Identification of varieties able to perform well under low soil N is of great significance to the resource poor farmers in the country especially when input costs… RUF-35227 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Genetic variability of soybean for yield and yield components under irrigation conditions of Gezira, Sudan Yousif Balla. Mohamed · I. Seifeldin Elrayah A field experiment was conducted to study the genetic variability among 21 soybean verities at the Gezira Research Station Farm, Sudan for two successive seasons in 2009 and 2010. Six traits were studied including grain yield/ha, days to 5… RUF-35217 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Genetic and phenotypic evaluation of Zimbabwean Jersey cattle towards the development of a selection index T.E. Halimani · E.V Imbayawro-Chikosi · E.M. Missanjo A multitrait selection index for Zimbabwean Jersey cattle was constructed using 10 986 records (305-day) from 25 herds with calving period from 1996 to 2008 using data from the Livestock Identification Trust. Genetic and phenotypic paramet… RUF-34915 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Genetic and non-genetic factors influencing production in two boer goats studs M.D. Fair · F.J.M. King · F.W.C Neser The effect of genetic and environmental factors on weaning and post-weaning traits of boer goats was studied using 3233 records collected from 1998 to 2008. Least square analysis was used for estimation of environmental effects. Genetic pa… RUF-34846 2010 CC BY 4.0 14 Sep 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 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 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
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 Screening of Rice Varieties for their Weed Competitiveness A. Ahanchede · W. Bonou · Y.D. Moukoumbi · M. Sie +2 more Weed competition is a major constraint in rice production systems in Africa. This study was conducted at the Africa Rice Experimental Station in Benin in the dry and rainy seasons to screen rice varieties for weed competitiveness. The expe… RUF-32511 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Genetic Analysis of Tropical Maize Inbreds and Hybrids for Grain Yield and Traits Associated with Drought Tolerance P. Gibson · C. Magorokosho · X. Mhike · P. Okori Drought tolerance is a complex trait, hence genetic improvement of this trait in maize requires indirect selection methods based on highly heritable traits that correlate strongly with grain yield. This study aimed at determining the modes… RUF-32504 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Early-generation Testing for Developing Maize Inbreds with Drought Tolerance and Resistance to Turcicum Leaf Blight and Streak Virus in Uganda G. Asea · B.L. Castiano · R. Edema In maize breeding, test crosses can be done in early stages of selfing or delayed until inbreds are close to homozygosity at F5 or F6. Although early generation testing may be efficient there is need to obtain information on genetic compon… RUF-32455 2012 CC BY 4.0 16 May 2014
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
