Working Document Series Open Access Heterosis for fruit yield, yield components and bacterial wilt resistance of tomatoes genotypes in Kenya F. K. Kathimba · P. M. Kimani · L. M. Kiriika · R.D. Narla Yields of tomato (Solanum lycopersicum) in Kenya has continued to decrease due to biotic stresses especially bacterial wilt (Ralstonia solanacearum), fungal diseases, nematodes, tomato yellow leaf curl and overreliance on low yielding vari… RUF-38715 2018 CC BY 4.0 13 Sep 2020
Working Document Series Open Access Applications and benefits of marker-assisted introgression of the opaque-2 gene in quality protein maize breeding E. Gasura · N.A. Maibvisira · M. Maphosa · A. Tarekegne Maize (Zea mays) is a crucial crop in Africa serving as one of the chief carbohydrate sources used as food and feed. However, maize is deficient in essential amino acids, lysine and tryptophan. Protein malnutrition is a major challenge as … RUF-36948 2016 CC BY 4.0 15 Sep 2017
Working Document Series Open Access Gene action of selected grain and forage dual purpose sorghum genotypes S. Chikuta · F. Kabi · T.L. Odong · P. Rubaihayo Sorghum is an important food and feed source in mixed crop-livestock production systems where its dual usage is a preferred option, especially among the resource poor small-scale farmers. This study was undertaken to estimate the combining… RUF-36274 2016 CC BY 4.0 19 Oct 2016
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 Resistance breeding strategy for Stenocarpella maydis and Fusarium graminearum cob rots in tropical maize 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
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 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
Journal articles Open Access Combining Ability And Heterotic Orientation Of Selected Zambian Maize Inbred Lines Under Low Soil Phosphorus Conditions Richard Chanda · Lovemore Daka · D. Lungu · M. Mukanga +3 more Maize (Zea mays L.) production in sub-Saharan Africa (SSA) is limited by low availability of soil phosphorus, affecting 98% of maize fields grown by small scale farmers in Zambia. Therefore, developing and releasing P-efficient maize hybri… RUF-33721 2015 CC BY 4.0 29 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 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 Inheritance and Stability of Earliness in Solanum Potato P. Iragaba · R. Kakuhenzire · G. Tusiime Potato is an important food and cash crop in Uganda. Recent climatic variability characterised by erratic rainfall and elevated temperatures have been recognised as a major threat to potato production and productivity. Breeding for adaptat… RUF-32470 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Agro-Morphological Characterisation of Exotic and Local Green Gram (Mung Bean) (Vigna Radiata) for Breeding Purposes in Uganda H. Talwana · A. Waniale · N. Wanyera In order to start a good breeding programme that will potentially develop high yielding and disease resistant varieties, germplasm collection and characterisation is a prerequisite. The objectives of this study were to characterise 38 loca… RUF-32061 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Determination of the Heterotic Groups of Maize Inbred Lines and the Inheritance of their 99 Resistance to the Maize Weevil G. Asea · P. Gibson · M. Gafishi Kanyamasoro · J. Karungi Maize weevil (Sitophilus zeamais Motschulsky) is a major maize (Zea mays L) storage insect pest in the tropics. Fifty-two inbred lines developed for weevil resistance were crossed to two testers, A and B, to determine their heterotic group… RUF-31406 2012 CC BY 4.0 17 Sep 2013
