Working Document Series Open Access Production of disease-free papaya planting materials of known sex for commercial fruit production A.W. Kihurani · M. Mwaniki · M.M. Waiganjo · F.K.R. Wanzala Papaya (Carica papaya L.) is a medium sized fruit crop with a potential to produce fruits throughout the year. The ripe fruits, which are very rich in vitamins A and C, are popularly used for dessert or processed into jam or wine. Due to i… RUF-34756 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Evaluation of Chilli pepper genotypes for yield and reaction to field diseases V. Nsabiyera · M. Ochwo-Ssemakula · P. Sseruwagi The performance of 25 chilli (16 exotic and 9 local) genotypes for yield and associated traits and reaction to field diseases was assessed at the National Crops Resources Research Institute (NaCRRI)- Namulonge from June-November, 2009. Tot… RUF-34753 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Banana farming in Kenya: Options for rejuvenating productivity J. Mbaka · Maina Mwangi Bananas constitute an important component of farm enterprises in the mid altitudes of central and eastern provinces of Kenya. In recent years the crop has steadily gained importance over traditional cash crops, e.g. coffee, and various sho… RUF-34742 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Understanding the persistence of foot-and-mouth disease in Uganda: The case of western Uganda A.R. Ademun Okurut · P. Isubikalu · C. Masembe · V. Muwanika Livestock, one of the important agricultural sectors in the lives of millions of people world over, is greatly affected by epidemics of Trans-boundary animal diseases (TAD). Foot-and-mouth disease (FMD) is one of the most important TAD tha… RUF-34739 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Developing capacity for implementing innovative PPR control strategies based on the epidemiology and socio-economic aspects of the disease in the East African region L.C. Bebora · C.G. Gitao · E. Karimuribo · S.M. Kihu +4 more Major losses in sheep and goats have been incurred from Peste des petit ruminants (PPR), a relatively new disease in East Africa. It first appeared in Eastern Uganda but has since spread to most of Kenya and Northern Tanzania. Small rumina… RUF-34732 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Assessment of the spatio-temporal bovine migratory routes and transboundary animal diseases infestation in Uganda I. Bayiyana · W. Ekere · P. Lochap · M.G.J. Majaliwa +2 more Livestock form an important part of Uganda’s GDP with a big proportion of households deriving their livelihoods from the sector. However, pasture management and disease control especially Transboundary Animal Disease outbreaks have challen… RUF-34728 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Growth and physiological changes of tomato as influenced by soil moisture levels J.N. Aguyoh · C. Imana · A. Opiyo Tomato (Lycopersicon esculentum Mill.), as in most fruit vegetables, is often exposed to stresses either imposed by other organisms (biotic) or arising from imbalance of environmental factors (abiotic). Water management is a key factor tha… RUF-34720 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Participatory control of Newcastle disease in village poultry using thermostable vaccines in Uganda D.K. Byarugaba · J.L. Nakavuma · A. State Village poultry is one of those abundant assets for the rural poor in Uganda that could be utilized to eradicate poverty in the country since poultry farming addresses the needs of the underprivileged in society especially women and childr… RUF-34717 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Enhancing village chicken productivity through parasite management for effective newcastle disease vaccination in Kenya L.C. Bebora · C.O. Gor · N. Maingi · P.G. Mbuthia +1 more Newcastle disease (ND) is documented among the most important diseases of poultry in the world, causing devastating losses in both commercial and village chickens. It is capable of causing mortality rates of up to 100% of the flock and, as… RUF-34715 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Inheritance of resistance to Fusarium root rot in three common bean genotypes P. Gibson · S.T. Nkalubo · P.O. Ongom · P. Rubaihayo Fusarium solani f. sp phaseoli (FSP) is an important disease in Uganda causing in some cases 100% yield losses in beans. The study established the nature of inheritance to FSP resistance in genotypes RWR 719, NABE 14 and NABE 13. A 5x5 ful… RUF-34670 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Assessment of water quality in Mohale dam and associated rivers in Lesotho M. Johanne · R. Mating · A.O. Olaleye The study assessed Mohale dam and the associated rivers’ water quality over 5 years and comparing it to the water quality standards. It was believed that since this dam and the rivers occurred at elevations of between 2000m and 2900m above… RUF-34619 2010 CC BY 4.0 8 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 Determining appropriate mode and rate of applying lime to improve maize production in acid soils of north Kakamega and Siaya districts, Kenya J.K. Kiplagat · J.R. Okalebo · C.O. Othieno Increasing soil acidity is a major cause of low soil fertility in western Kenya where about 57,670 hectares is acidic. While liming can increase soil pH, the most appropriate method of application needs to be determined. This study aimed a… RUF-34599 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Studies on the etiology, epidemiology and management of dieback disease of passion fruit in Kenya R. Gathu · N. Kori · J. Mbaka · M. Mwangi +1 more Passion fruit (Passiflora spp.) is an important cash crop in Kenya. In the recent past, diseases have increasingly reduced its production with yield losses ranging from 50 – 100%. Dieback is a recently emerged disease that is highly virule… RUF-34598 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Testing the efficacy of artificial microRNAs to control cassava brown streak disease T. Alicai · Y. Baguma · Claude M. Fauquet · Settumba B. Mukasa +4 more Cassava brown streak disease (CBSD) is a major constraint to cassava production in East Africa. It is caused by at least two single stranded (+) RNA viruses (CBSV and CBSUV). To date, only a few genetic sources of resistance to the disease… RUF-34597 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Development of a hot pepper root rot and wilt disease management strategy through genetic resistance, chemical application and proper choice of rotational crops E. Awori · S. Nkalubo · P. Tukamuhabwa · S. Tumwekwase +1 more This study seeks to contribute to increased productivity of hot pepper (Capsicum chinense) by incorporating an integrated pest management (IPM) package for root rot/wilt disease (Phytophthora capsici). Pathogen host diversity will be deter… RUF-34591 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Farmers’ perceptions on maize ear rots and the prospects for breeding farmer preferred varieties in Uganda G. Asea · P. Gibson · P. Okori · L. Tembo Maize ear rots are a major constraint to maize production globally, and yield loses of up to 70% have been reported in Uganda. Developing varieties resistant to ear rots is a practical strategy that provides better insurance for the small … RUF-34586 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Relationship between grain yield and Fusarium head blight in soft red winter wheat as influenced by cultivar resistance L. V. Madden · A. P. Pierce · J. D. Salgado · M. W. Wallhead Fusarium Head Blight (FHB) is a serious disease in all wheatgrowing areas in the world. FHB affects wheat by reducing yield and grain quality. Our objective is to characterize the relationship between FHB and grain yield. Three soft red wi… RUF-34578 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Studies into slow rusting resistance among selected wheat lines F.M. Nzuve · D. Singh · G. Tusiime Wheat is an important staple crop in East Africa whose consumption outweighs its production partly due to the emergence of a virulent strain of Puccinia graminis fsp tritici, strain ug99 that cause stem rust disease. A study was carried ou… RUF-34573 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Biotic constraints to banana production in Eastern and Central Provinces of Kenya R. Gathu · J. Mbaka · R. Muasya · Maina Mwangi +1 more Banana is an important crop whose production faces major challenges, especially pests and diseases. A banana pests survey was carried out in Eastern and Central Provinces of Kenya. Results showed Fusarium wilt as the most widespread diseas… RUF-34571 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Tomato curl stunt virus management strategies for all year round tomato production in Mozambique C. Ecole · B. Francisco · A. Mondjana · B. Nhaulaho +1 more Tomato is the most popular vegetable in the home garden all over the World as well as in Mozambique. Tomato production in Mozambique has been recently affected by Tomato curl stunt virus (ToCSV) disease, a devastating viral disease that is… RUF-34569 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Characterization of a diverse set of maize germplasm for resistance to infection by Aspergillus flavus and accumulation of aflatoxin G. Asea · D.B. Kwemoi · P. Okori Sources of resistance to A. flavus have been identified elsewhere but no such materials are currently available for use by the maize improvement program in Uganda. The goal of this study was to initiate breeding for resistance to the fungu… RUF-34558 2010 CC BY 4.0 4 Sep 2015
Working Document Series Open Access Prevalence of bean anthracnose in Zambia and diversity of Colletotrichum lindemuthianum in Southern Africa P. Kachapulula · M. Mwala · P. Okori Prevalence of bean anthracnose, caused by Colletotrichum lindemuthianum was assessed in four agro-ecologies in Zambia. Subsequently, fungal isolates were tested for race specifically involving race differentials and DNA analysis using Simp… RUF-34555 2010 CC BY 4.0 4 Sep 2015
Working Document Series Open Access Detection and screening of yellow and sweet calabash passion fruit for resistance to woodiness disease in Uganda G. Ddamulira · R. Edema · S. Musaana · M.K.N. Ochwo-Ssemakula +1 more In Uganda passion fruit woodiness disease (PWD) damages passion fruit, causing yield losses of 60-100%. This study aimed at detecting and screening yellow and sweet calabash passion fruit for resistance to PWD. Four viruses, namely, Cowpea… RUF-34552 2010 CC BY 4.0 4 Sep 2015
Working Document Series Open Access The reaction of maize genotypes to maize streak virus disease in central Uganda B. Bua · B. M. Chelimo Documented evidence indicates that maize is production is constrained by a number of a biotic and biotic stresses including Maize streak virus disease (MSVD). Therefore, a study was conducted to assess the reaction of 3 maize genotypes to … RUF-34550 2010 CC BY 4.0 4 Sep 2015
