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 Effectiveness of Macropropagation Technology in Production of Disease Free Banana Seedlings in Central and Eastern Kenya J. Mbaka · R. Muasya · M. Mwangi · Njau Njeri Banana (Musa spp.) is one of the most important food crops that contribute to the food security of the majority small holders in Kenya. However, due to diseases, banana production has not reached its full potential. Fusarium wilt caused by… RUF-31548 2012 CC BY 4.0 7 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 Resistance to the maize Weevil (Sitophilus zeamais Motsch) among Maize Inbred Lines P. Mugo · S.W. Munyiri · J.K. Mwololo · P. Okori +2 more Maize is a very important crop for small-scale farmers in Africa and also as food and feed resource. Despite this, storage pests cause high quality and quantity losses to the crop. One of the most important storage pests of maize is the ma… RUF-31540 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Stability of Barley Genotypes for Earliness, Resistance to Leaf Scald Disease and Yield in Ethiopia R. Edema · A. Fetien · G. Lijalem Due to the unpredictable rainfall pattern and shorter growing seasons experienced in recent years in Ethiopia, early-maturing barley (Hordeum vulgare) genotypes are preferred by farmers in order to escape moisture stress and to bridge the … RUF-31533 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Assessing the Effectiveness of Pyramided Genes in Conferring Broad Resistance to Bean Anthracnose M. Kiryowa · C.M. Mukankusi · S.T. Nkalubo · H. Talwana +1 more Colletotrichum lindemuthianum is one of the most important constraints to common bean production in Uganda. The fungus is highly variable that single gene resistance alone is not adequate to offer effective and durable resistance among var… RUF-31530 2012 CC BY 4.0 6 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 Improvement of Sorghum for Tolerance to Stress and Increased Production and Utilisation in Kenya S. Gudu · P. Kisinyo Oloo · J. Ochuodho Onyango · J.R. Okalebo +4 more Sorghum is an important food security crop in sub-Saharan Africa, including eastern Africa but grain yields are very low. This is due to the many stresses it goes through during production in addition to use of unimproved genotypes. The ob… RUF-31523 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Variability and Associations of Grain Filling Traits with Grain Yield and Yield Components in CIMMYT Maize Inbred Lines R. Edema · E. Gasura · P. Gibson · P. Okori +1 more Improved grain filling rate and grain filling duration are yield components that have potential to increase maize yield in early maize germplasm. These two factors have not been well studied in maize and thus cannot be easily exploited in … RUF-31514 2012 CC BY 4.0 6 Oct 2013
Working Document Series Open Access Diversity of Finger Millet for Crop Improvement in Uganda I.O. Dramadri · P. Okori · N. Wanyera Finger millet (Eleusine corocana L), though highly nutritious and indigenous to Uganda, has not been fully exploited due to limited breeding efforts, and little information about the diversity existing within the germplasm collection. This… RUF-31511 2012 CC BY 4.0 5 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
Working Document Series Open Access Characterisation of Selected Sorghum Genotypes in Zambia for Field Traits and Aluminium Tolerance S. Chikuta · M.S. Mwala Sorghum (Sorghum bicolor L.) is a major crop of the hotter and drier regions of the tropics and subtropics grown by resource poor farmers for their subsistence. It can also be cultivated in marginal lands and areas of high rainfall charact… RUF-31507 2012 CC BY 4.0 5 Oct 2013
Journal articles Open Access Field Performance and Quality Traits of Hot Pepper Genotypes in Uganda V. Nsabiyera · M. Ochwo-Ssemakula · P. Sseruwagi Hot pepper (Capsicum annuum) is increasingly an important economic crop in Uganda that requires attention for increased production. Genotypes with superior growth, quality and yield traits are crucial for use in pepper cultivar improvement… RUF-31450 2012 CC BY 4.0 1 Oct 2013
Journal articles Open Access Proliferation and Shoot Recovery among the East African Highland Banana G. Arinaitwe · P. Gibson · C. Lugolobi · S.B. Mukasa +2 more Production of East African highland banana (EA-AAA banana) (Musa spp.) is limited by scarcity of planting materials, attributable to their low natural proliferation ability. Under natural field conditions, the EA-AAA bananas greatly differ… RUF-31440 2012 CC BY 4.0 29 Sep 2013
Journal articles Open Access Evaluation of Tomato Genotypes for Resistance to Root-knot Nematodes R. Akromah · F. Jaiteh · C. Kwoseh Tomato (Solanum lycopersicum) is one of the most popular vegetable crops worldwide, owing to its high nutritive value and diversified use. Tomato production in Ghana is threatened by plant parasitic nematodes, especially the root knot nema… RUF-31432 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
