There is sparse information on the wetlands of Lesotho in terms of their characteristics, climate change impacts, management and coverage and there is a growing concern on high levels of degradation observed in these ecosystems. Thus the m…
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Two growth trials involving crossbred (Large white x Landrace) starter pigs were conducted to compare feed intake, growth rate, feed conversion efficiency and cost of feeding malted (MTD), fermented (FTD), fermented maize grain after malti…
Decreasing land holdings among smallholder farmers in Vihiga and Jinja have resulted in intensive land utilization. This has in turn led to low soil fertility level which has resulted in decline in the abundance and distribution of phyto-d…
Assessing soil fertility status is one way of evaluating sustainability of land use and management activities. There are basically two methods of assessing soil fertility: the laboratory method and use of indigenous knowledge. One way of u…
In sub-Saharan Africa (SSA), maize (Zea mays L.) is the staple food for about 50% of the population. Lepidoptera stem borers pause major threats to sustained food sufficiency in SSA where they cause annual yield losses of 15% and particula…
Sweet potato weevil (Cylas puncticollis) Boheman is a serious pest throughout Sub-Saharan Africa. The pest causes up to 28% production losses annually in Uganda. Due to difficulties to implement pest management measures and the low level o…
Stemborers cause 50% yield losses in cereal crops including maize, sorghum and sugarcane. In Kenya, stemborers include Busseola fusca, B. phaia, Sesamia calamistis, Eldana saccharina, Chilo orichalcociliellus and C. partellus. Control opti…
The use of mutualistic fungal endophytes to control the banana weevil (Cosmopolites sordidus) and banana parasitic nematodes (Radopholus similis, Pratylenchus goodei and Helicotylenchus multicinctus) is currently being investigated at the …
Radopholus similis (and others nematodes) cause significant damage on banana wherever are grown worldwide. Genetic resistance to nematodes provides a more sustainable management option in resource poor farming systems. New evidence indicat…
The highlands of southwestern Uganda account for the bulk of field pea ( Pisum sativum L.) produced and consumed in the country. The crop fetches a stable price, which is as high as that of beef, but it has remained outside the mainstream …
Maize foliar diseases are the most important impediments to increased maize production in Uganda. The main objectives of the studies reported in this thesis were (i) to characterise inbred lines for resistance to Turcicum leaf blight and m…
The production of rice and cowpea in Uganda is increasing in acreage rather than productivity. This is attributed to a number of factors, mainly seed-borne diseases. The farmers in Uganda mainly use farm saved seeds for planting. These see…
Malaria is one of the public health problems facing people in many parts of Kenya including semi-arid areas. It is caused by an infectious bite of female Anopheles mosquitoes. To effectively implement malaria control program, the knowledge…
This study focused on examining the allocation of farm resources by farmers engaged in cowpea production and developing optimal farm plans for cowpea production systems in Eastern Uganda. Earlier studies revealed that cowpea yields are bel…
Maize is the most important cereal in Uganda and many other countries of Sub-Saharan Africa. It is the main source of basal energy for humans, livestock and poultry. Maize is however deficient in two essential amino acids, lysine and trypt…
In Sub-Saharan Africa, common bean (Phaseolus vulgaris L.) is a food security and income sourcing crop as well as a contributor to soil fertility improvement through biological nitrogen fixation. In Uganda, bean production is widespread, w…
Genetic linkage maps were constructed for two parental genotypes of Solanum caripense. The maps consist of 240 molecular markers covering genetic distances of 1,080 cM (maternal) and 779 cM (paternal). These maps are a big milestone toward…
A study on the determination of age and growth of Opsaridium microlepis, locally known as the mpasa, and the influence of water quality parameters on its catches in the Linthipe river in Central Malawi was conducted between February 2006 a…
Potato is an important source of food and income in the highlands of East Africa. Identification of superior genotypes for improved agronomic characteristics will enhance tuber yield. Seven promising clones from population B potato selecti…
Sorghum [Sorghum bicolor L. Moech] production in eastern Uganda is largely done in intercrops with legumes, especially beans [Phaseolus vulgaris], groundnuts [Arachis hypogea], Pigeon pea [Cajanus cajan] and Cowpea [Vigna unguiculata L. Wa…
Sweet potato is ranked as the third most important food staple in Uganda after cassava and banana. However, Alternaria leaf spot and stem blight and sweet potato virus disease (SPVD) are reportedly causing considerable yield reduction on t…
In Uganda, a major pathogen genus causing severe phaseolus bean root rot, particularly in South western, is Pythium. But there is no information on the different pythium species associated with bean root rots nor about impact of use of org…
Sweet potato is an important food and cash crop grown by small holder farmers but its productivity is limited by sweet potato virus disease (SPVD). Farmers' lack of disease free vines and inadequate knowledge on identification and manage…
Field studies were conducted at Namulonge Agricultural and Animal Production Research Institute (NAARI) AND Makerere University Agricultural Research Institute Kabanyolo (MUARIK), both located in central Uganda. The studies aimed at: a) de…
In sub-Saharan Africa, sweetpotato (Impomoea batatas L.) production is greatly constrained by sweetpotato virus disease (SPVD) complex. This study was conducted to assess the incidence of viruses in healthy-looking sweetpotato in Uganda an…