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Responses of Common Bean (Phaseolus vulgaris L.) Cultivars to Beanflies (Diptera: Acromyzidae)

Nderitu, John Huria (University of Dar-es-Salaam, 1988)

Glossina fuscipes fuscipes Newstead 1910 (Diptera, glossinidae): Colour Preferences, Host-Funding Strategies and Responsiveness to Baited Traps

Muhigwa, Jean-Berckmans Bahananga (University of Khartoum, 1998)

This study was conducted on Glossina fuscipes fuscipes, a riverine species of Central and Eastern Africa. It focuses on (i) colour preferences, (ii) landing and feeding behaviours on a host, the Nile monitor and (iii) on ...

Plant-Feeding Behaviour and its Efects on the Fitness and Competence of the Malaria Vector Anopheles Gambiae (Diptera: Culicidae)

Manda, Hortance (Kenyatta University, 2007)

Malaria remains a serious threat in sub-Saharan Africa Available control tools are now largely ineffective. Because of the role of vectors in malaria transmission, integrated vector management strategies that are environmentally ...

Asymmetric Synthesis and some Reactions

NKUNYA, MAYUNGA HABIBU HEMEDI (University of Dar Es Salaam, 1991)

This thesis describes the asymmetric phase-transfer catalysed (PTC) Darzens condensation of aldehydes and ketones with the chiral reagents 1-menthyl chloromethanesulphonate, (S)-(-)-N-chloromethylsulphony l-2 -thoxymethy ...

Attempts on the Synthesis of the Pheromone Component Lineatin

Rwehikiza, Serry Francis (University of Oslo, 1984)

poorly achieved. Direct alkylation on the alkenal V with 8-methallylmagnesium chloride followed by oxidative cleavage of 2,5,5-trimethylocta-l,7-diene-4-ol (VIlI) and methylenation via a Wittig reaction gave an improved ...

Neem Seed for the Management of the Banana Weevil,cosmopolites sordidus germar (coleoptera: curculionidae) and Banana Parasitic Nematode Complex

Musabyimana, Thaddee (Kenyatta University, 1999)

The study was conducted in western Kenya, a prime banana growing area during the period of May 1996 to February 1999. The objectives were to control the banana weevil and parasitic nematodes with neem materials, thereby ...

Development of a Genetic linkage Map and Quantitative Trait Loci (qtl) analysis in Cowpea (Vigna unguiculata (l.) Walp)

Andargie, Mebeaselassie (Kenyatta University, 2010)

Cowpea is a diploid plant species which contributes significantly to food security in developing countries, especially in Africa. This research project was carried out in view of the upcoming introduction of Bt cowpea in ...

Ecological Interactions between Chilo orichalcociliellus Strand and Chilo partellus (Swibhole) (Lepidoptera: Pyralidae) on the Kenya Coast

Odomata, Vivian Chinyere (Nnamdi Azikiwe University, 1997)

Laboratory studies were conducted to determine the quantities of maize and sorghum stems consumed by larvae of C. partellus and C. orichalcociliel/us as an indication of the amount of damage caused by these species to ...

Spatial Distribution of Gonometa postica Walker (Lepidoptera: Lasiocampidae) with Reference to its key Parasitoids on Acacia Species in Mwingi, Kenya

Ken, Fening Okwae (Kenyatta University, 2008)

The African wild silkmoth, Gonometa postica Walker produces silk of high quality. A study on the spatial distribution and biology of G. postica on host and non-host plants and the parasitism rates and reproductive strategy ...

Medical Ethnobotany of the Isthmus-Sierra Zapotecs (Oaxaca, Mexico) and Biological-Phytochemical Investigation of Selected Medicinal Plants

Frei, Barbara (Swiss Federal Institute of Technology Zurich, 1997)

The Zapotec inhabitants of the Isthmus' Sierra of Tehuantepec in Oaxaca (Mexico) live in a tropical area of great botanical diversity. In daily subsistence and in response to illness, plants still play a major role. ...

The Sweet Potato Butterfly Acraea acerata in Ethiopia

Ferdu, Azerefegne (1999)

The sweet potato butterfly (Acraea acerata Hew.) has become an important pest on sweet potato in Southern Ethiopia in the last two decades. This thesis deals with its ecology and economic importance in Southern Ethiopia.The ...

Patterns of Relationship between Banana (musa spp.) types and the Banana weevil, Cosmopolites Sordidus (germar)(Coleoptera:Curculionidae)

Sumani, Alfred Joseph (University of Zambia, 1997)

Banana (Musa spp.) is an important food crop of the humid tropical lowland areas of the world. Banana production is beset by several problems, related to crop husbandry, selection of planting material, soils, diseases, and ...

Effects of Cultivar, Isolate and Environment on rResistance of Wheat to Septoria Tritici Blotch in Kenya

Arama, Peter F (Wageningen Agricultural University, 1996)

The research described in this thesis focused on the characterization of some of the factors that influence disease assessment, development and expression of resistance in wheat cultivars to septoria tritici blotch. Earliness ...

Studies on Indigenous Bacillus Thuringiensis Isolates active against Selected Insect Pests

Oketch, Matilda (Kenyatta University, 2001)

The overall goal was to contribute to crop-productivity by developing sustainable pest management and the objective was to select and identify an efficacious local B. thuringiensis isolate active against the selected stem ...

Studies on Factors Affecting the Distribution and Abundance of Phlebotomine Sandflies in a Leishmaniasis Endemic Focus in Baringo District, Kenya

Basimike, Mulenda (State University of Science and Technology, 1988)

Factors affecting the distribution and abundance of Phlebotornine sandflies were studied during the period 1985 to 1987, in the Marigat leishrnaniasis endemic area, located in Baringo district, Kenya. It was found that ...

Bio-control potential of the Fungus Beauverja Bassiana (balsamo) against the Desert locust, schistocerca gregaria (forskal)

kambona, Kenneth (1996)

Pathological potential of the fungus Beauveria bassiana Balsamo on the desert locust Schistocerca gregaria Forsk was evaluated with an aim to develop a mycoinsecticide as a supplement to the persistent chemical insecticides ...

Ecology of Malaria Vectors in Relation to an Irrigation Scheme in Baringo District, Kenya

Aniedu, Ifeanyi (Rivers State University of Science and Technology, 1988)

A comparative study of the ecology of mosquito vectors of malaria was carried out in the Parkerra irrigation scheme and the Loboi swamp in Baringo districy, Kenya. The swamp was found to be more productive than the irrigation ...

Studies on the Midgut Lectin Gene of Glossina Austeni

Amin, Daniel Ndem (Kenyatta University, 2005)

Trypanosomiasis continues to be a serious problem in sub-Saharan Africa. The inadequacies of existing control strategies necessitate the development of alternative control measures. In most cases, the causative agents ...

Pupal Ecology and Role of Predators and Parastoids in Natural Population Regulation of Glossina pallidipes Austen (Diptera :Glossinidae) at Nguruman, Kenya

Adabie, Delphina Aba (University of Ghana, 1987)

A two-year progranme was carried out at Nguruman in the Kajiado District of the Rift Valley Province of Kenya, to identify the characteristics of larviposition sites, quantify pupal mortality rates, determine predators and ...

Biological performance, response and population dynamics of Tetranychus evansi (Acari: Tetranychidae), as influenced by different African nightshade (Solanales: Solanaceae) species

Murungi, Lucy Kananu (Jomo Kenyatta University of Agriculture and Technology, 2010)

Despite the vast research on trichome-based resistance as well as plant chemical factors in plant-herbivore interactions in Solanaceous plants, little or no information is available on the association between Tetranychus ...

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