Theses & Dissertations Open Access Inheritance of resistance to Magnaporthe grisea in upland rice Fulgence Niyongabo The main objective of this study were: 1) to determine the pathogenicity of rice blast isolates collected in three key rice producing districts of Uganda on standard host differentials, 2) to estimate the heritability, mode of gene action … RUF-35555 2012 CC BY 4.0 30 Sep 2015
Working Document Series Open Access Inheritance of resistance to maize weevil Sitophilus zeamais (Motschulsky) in maize inbred lines and determination of their heterotic groups G. Asea · M.K. Gafishi · J.K. Tumutegyereize Maize weevil Sitophilus zeamais (Motschulsky) is a pest of maize causing serious losses to resource-poor farmers in the tropics. To combine resistance to Maize Weevil with high yield in maize, 52 inbred lines reported to harbor resistance … RUF-35203 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Inheritance of resistance to bacterial blight and implication for rice improvement in Uganda G. Asea · R. Edema · P. Gibson · I. Habarurema +1 more Bacterial blight caused by Xanthomonas oryzae pv.oryzae, is a destructive disease of rice worldwide. Resistant varieties are the best option to avert the disease. Thirty resistance genes identified face a wide genetic diversity exhibited b… RUF-34618 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Introgressing resistance to Turcicum leaf blight and mapping of associated quantitative trait loci in sorghum M. Abdelbagi Ali · Mayada Mamoun Beshir · P. Gibson · P. Okori Screening for Turcicum leaf blight was carried out in F2 and F2:3 segregating sorghum populations under field and controlled conditions. Disease severity as a percentage of leaf area covered by lesions was computed and the lesion type was … RUF-34473 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Generation Mean Analysis for Turcicum Leaf Blight in Ugandan Sorghum M. Abdelbagi Ali · Beshir Mayada M. · P. Okori Sorghum (Sorghum bicolor (L.) Moench) is frequently devastated by Turcicum leaf blight, caused by Exserohilum turcicum, leading to considerable grain and fodder yield losses. However, the mechanism of inheritance of resistance to E. turcic… RUF-32494 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 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