Abstract not available.

No abstract available. / Thesis (M.A.)-University of Natal, Durban, 1980.

The purpose of the study was to find out how teachers in a school in Kenya conducted the education of mathematics in standard 4-6. The focus was how the teachers worked with children in need of special support in mathematics.To find out the purpose a case study was made with two interviews and seven observations with four teachers on a rural school in Kenya. The following issues were: Which standards were there in the classrooms during lessons in mathematics in Kenya? How did the teachers express the view of children in need of special support? The main conclusion was that different teachers teaching in mathematics looked the same.The teacher was standing in front of the blackboard where the teaching occurred and the pupils were sitting lined up in their benches. The teaching of the pupils was about repetition and imitates the teacher and mostly filling the gap that the teacher made them say. Pupils in need of special support got their help through extra lessons and homework but the teachers thought that it was hard to help every child when there was only one teacher in the classroom. / Studiens syfte var att undersöka hur lärare i en kenyansk skola bedrev sin matematikundervisning i årskurs 4-6. Fokus las på hur lärarna arbetade med barn i behov av särskilt stöd i matematiken. För att besvara syftet gjordes en fallstudie med två intervjuer och sju observationer med fyra lärare på en landsbygdsskola i Kenya. Följande frågeställningar användes; Vilka klassrumsnormer rådde under en kenyansk matematiklektion? Hur uttrycktes lärarnas syn på barn i behov av särskilt stöd i matematik?De slutsatser som framkom var att olika lärares matematikundervisning liknade varandra.Läraren stod framme vid svarta tavlan där de ledde undervisningen och eleverna satt uppradade i bänkar. Undervisningen byggde på att eleverna upprepade och härmade läraren genom att eleverna det flesta gångerna fyllde i sista ordet i meningen som läraren fick dem att säga. Elever i behov av särskilt stöd fick hjälp i form av extrauppgifter och extralektioner men lärarna ansåg att det var svårt att hjälpa alla elever då det var många barn på få pedagoger.

No description available.

Since 1963, Kenya has undergone extensive upgrading of its educational system. New institutions like the "youth polytechnic" have been created to serve post-elementary school people in need of employment skills. In this study, the case method was used to investigate two, one rural and one urban, reputedly exemplary polytechnics. In particular, this study sought the organizational factors associated with the two exemplary institutions. / Data were collected using observation, interviews, questionnaires, and salient documents. / A number of factors associated with exemplary youth polytechnics were uncovered. The Polytechnics developed training that was suited to the respective areas and to employment. Dedicated principals created an environment conducive to training such as discipline, duty delegations, and a communication network. Committed staff used innovative means of instruction, and a close link to the world of work was adopted. Trainees valued their studies. Management committees had a clear vision of the polytechnics' direction, and they had community support.

By using two Kenyan films, Saikati (1992) by Anne Mungai and Battle of the Sacred Tree (1994) by Wanjiru Kinyanjui, this thesis explores the representation of identity in contemporary Kenyan society. Through a theoretical focus on African feminist thought which stems out of literary criticism, this study posits that in order for an understanding of identity to take place, then the discussion must extend beyond the binary divisions of tradition and modernity. This study offers a history of cinema in Kenya from the colonial administration era till present day to illustrate that the legacy of colonialism has been very influential in contemporary Kenya. I have used film as a tool to expose the non-static nature of identity, contrary to colonial discourse present in films about Africans during colonialism. Although both films examine different social topics, this study highlights that the processes of determination and formation of identity, as represented in both films, are situational, circumstantial, and dependent on personal choice.

Peanuts contribute significantly to food security in western Kenya due to their high nutritional value and cash crop potential. However, the crop is highly susceptible to aflatoxin contamination. Yet little information is available on the extent of contamination in the region. This study explores the level and extent of contamination of peanuts by aflatoxins, Aspergillus section Flavi, Rhizopus and Penicillium spp. in western Kenya. A survey of 769 households was carried out in the Busia and Homa bay districts of Kenya. Information on peanut pre- and post-harvest practices was collected through person-to-person interviews. Aflatoxin levels of samples collected from each household were determined by indirect competitive ELISA method. Isolation of Aspergillus section Flavi, Penicillium and Rhizopus spp. was done on Modified Dichloran Rose Bengal (MDRB) agar, while identification of specific fungal species was done on Czapek yeast extract agar (CYA). Screening isolates of A. flavus and A. parasiticus for aflatoxin production was done in high sucrose yeast extract (YES) liquid medium, and the aflatoxin types identified on TLC plates, using analytical grades of aflatoxin B1, B2, G1 and G2 as reference standards. Common household preparation techniques (roasting, making peanut paste and boiling peanuts) were evaluated for effectiveness in reducing aflatoxin levels in peanuts. The boiling procedure was modified to test the effect of magadi (locally available salt used mainly to soften legumes, vegetables or maize while cooking), ammonium persulphate and sodium hypochlorite during soaking. Magadi, sodium bicarbonate and locally prepared ash was subsequently used to boil the nuts after soaking. Aflatoxin levels ranged from zero to 7525 ìg/kg. Most samples were safe to consume, based on the European Union and Kenya Bureau of Standards tolerance levels, with 63.7 per cent of all samples having undetectable levels, and only 7.54 per cent being contaminated based on KEBS standards. Peanuts from the Busia district, which has more of Lower Midland 1 (mean annual rainfall of 1600-1800 mm) and Lower Midland 2 (mean annual rainfall of 1300-1700 mm) agro-ecological zones had significantly (÷2=14.172; P=0.0002) higher levels of aflatoxin compared to the Homa bay district, that has more of the drier Lower Midland 3 agroecological zone (mean annual rainfall of 900-1500mm). Improved cultivars had significantly (÷2=9.748; P=0.0018) lower levels of aflatoxin compared to local cultivars. Over 60 per cent of all samples had A. flavus S-strain, A. flavus L-strain and A. niger. A. flavus S-strain was positively correlated with aflatoxin levels. As expected, grading of peanuts post-harvest significantly reduced the incidence of A. flavus S- and L-strains, while peanuts collected from farmers who belonged to producer marketing groups had a significantly lower incidence of A. flavus S- and L-strains, A. niger and Rhizopus spp. The incidence of A. flavus L-strain, A. niger and Rhizopus spp. was significantly higher in local landraces compared to the improved cultivars. Over 60 per cent of isolates produced Aflatoxin B1. Intermediate processes such as sorting and dehusking led to a significant decline in levels of aflatoxin. Soaking peanuts in water, magadi, NaOCl and ammonium persulphate significantly reduced aflatoxin levels by 27.7, 18.4, 18.3 and 1.6 per cent respectively; while boiling the peanuts in magadi, local ash, baking powder and water reduced aflatoxin levels by 43.8, 41.8, 28.9 and 11.7 per cent respectively. Using magadi during boiling increased the acceptability of the boiled peanuts while reducing the aflatoxin levels. The impact of aflatoxin levels in peanuts studied in this research is within safe limits except a few samples, and therefore aflatoxin contamination of peanuts at household level is not a serious threat. Contamination by aflatoxin and post-harvest fungi can be reduced by focusing on improved control strategies for wetter and more humid zones such as planting improved peanut cultivars and controlling pre-harvest pest damage. Conventional household peanut preparation techniques should be explored as possible aflatoxin management strategies in Kenya. The aflatoxin binding properties of locally available salts such as magadi and locally prepared ash should be further investigated. / Thesis (Ph.D.)-University of KwaZulu-Natal, Pietermaritzburg, 2010.

Protected areas in Kenya constitute 7% of the total land area with over 75% of wildlife in the country being found on private or communal land. Wi th one of the highest population growth rates in the world and facing a range of developmen t issues with limited resources, one of the greatest challenges in Kenya is reconciling and sus taining economic development with biodiversity conservation and sharing the costs and benefits of conservation between individuals, state and the general community. The study was info rmed by the relevant literature and the researcher’s fieldwork which was conducted in 2008 in three categories of protected areas under different governance types and primary management o bjectives in Kenya (Lake Nakuru National Park – government managed, Kimana Community Wildlif e Sanctuary – communally managed, and Kedong Game Ranch – privately managed). The res earch examined the general issues of how local communities in Kenya have embraced differ ent biodiversity conservation strategies. A major emphasis was on identifying those factors inf luencing their attitudes towards conservation approaches and their participation in conservation management institutions. At issue was whether support for a particular conservation strat egy is primarily a function of communities’ experiences with biodiversity decline or their rela tionship with the conservation authorities. The research employed both qualitative and quantitative techniques in gathering the data. A total of 270 community respondents and 45 staff respondents were interviewed. Several demographic and socio-economic characteristics of the local peo ple that include age, gender, educational level and location, amongst others, were found to signifi cantly influence the attitudes of the local people towards the protected areas conservation act ivities. The direction of the influences (whether positive or negative) depended on the mana gement category of the particular protected area. The general findings of the study suggest tha t although local people appreciate the crucial value of biodiversity and the role of protected are as in conserving it, there is some evidence of resentment towards some management activities of th e protected area regulators. Negative attitudes were attributed to perceived problems of living next to the protected areas such as lack of involvement of the local people in the managemen t of the protected areas, restrictive access to and use of resources from the protected areas, hara ssment by the conservation enforcing agents, conflicts with wildlife and lack of compensation fo r damages and losses incurred. Widespread support for the management activities was associate d with perceived benefits to the local populations such as support for educational program mes, social amenities, employment and business opportunities. It is clear from this study that different rationales of conserving biodiversity need to address the issue of protected area management in the context of sustainable development through a combination of conservation s trategies. / Thesis (Ph.D.)-University of KwaZulu-Natal, Durban, 2010.

Cassava (Manihot esculenta Crantz) is an important food security crop in the semi-arid areas of Eastern Kenya. It provides food for more days in a calendar year than any other crop grown. Kenya has relied on varieties bred in other countries and because of this, local breeding methodologies and expertise are lacking. Access to appropriate varieties and adequate planting materials are major limiting factors to cassava production. Farmers grow late bulking landraces that take up to 18 mo to harvest. Efforts to introduce early bulking genotypes from IITA failed because of poor end-use quality. Local cassava breeding is necessary to alleviate the production constraints. Before a local breeding program can be established, farmers' preferences and production constraints must be identified and methodology appropriate to the Kenyan environment must be developed. The aims of this study were to identify farmer production constraints and preferences, to develop methods appropriate for cassava breeding in the semi-arid areas of Kenya, develop a population segregating for bulking period to estimate genetic variances that would explain the gene effects controlling yield components, and through participatory selection identify varieties that combine early bulking and preferred end-user traits. PRA tools, focus groups and individual interviews were used to identify production constraints and farmer preferences for cassava varieties. The PRA found that farmers grow 13 landraces in the area and 11 production constraints were identified and prioritised. The four most limiting in the order of importance were drought, lack of planting material, pests and diseases. Crosses between cassava varieties often do not produce much seed and the seed produced does not germinate well. Germination studies were done with open pollinated seeds to identify conditions favourable for seed germination in Kenya. The highest germination of the seeds was at 36°C. The control seeds had a higher germination percent (77%) compared to the seeds which were pre-heated at 36°C (57%). Crosses were made between selected IITA and local Kenyan genotypes following the NC 11 mating design to develop new genotypes which combine early bulking along with other farmer/end-user preferred characteristics. The hybrid progenies were evaluated in a seedling trial and clone genotypes advanced to a clonal trial and performance trial. The clonal trial was destroyed by red spider mites and cassava green mites, and only the tolerant 225 genotypes were planted in a performance trial that was harvested at 6, 7 and 8 mo after planting. The SCA effects were estimated to be 57% to 75% for most of the traits, except root number, which was mainly controlled by GCA effects (55%). Participatory selection of genotypes that combined early bulking and end-user qualities at the 7 and 8 mo after planting was done by farmers. Thirty genotypes that combined early bulking and end-user qualities were identified and ranked according to their performance in both agronomic and end-use traits using a selection index. A number of selected genotypes yielded more than three times the yield of the best parents, showing strong progress in breeding. Combining the farmers' preference aggregate score and the selection index based on the agronomic data, assisted in the final identification of the best genotypes developed in the breeding process. These results clearly demonstrated that it is possible to breed early bulking varieties with good end-use quality in the semiarid areas. / Thesis (Ph.D.)-University of KwaZulu-Natal, Pietermaritzburg, 2006.

Sorghum breeders have not made much yield improvement in new sorghum varieties in Kenya since Serena in was released in the late 1960s. KARI Mtama-1 which was released in 1993 has no yield advantage over Serena. A yield plateau for sorghum in Kenya is apparent. A new breeding approach was adopted to break that yield barrier. Development of hybrid sorghum was proposed and is expected to break the yield barrier and also deliver cultivars that meet farmers' main requirements. The objectives of the study were to (1) identify farmers' requirements in sorghum cultivars, constraints to sorghum production and why improved cultivars from research are not being adopted, (2) characterize male and female parents and establish if genetic distance could identify superior parent populations for hybrid production (3) estimate genetic variance components and determine the possibility of using GCA and SCA estimates in choosing parents for use in hybrid production, (4) test hybrids and open pollinated variety (OPV) parental lines for stress tolerance and identify tolerant hybrids for further testing and, (5) compare single cross hybrids and OPV varieties in yield performance. Participatory rural appraisal in Kitengei and Nzambani areas of Kambu showed that sorghum was especially important in semi-arid parts of Kenya. Food, trade, feed, nursing food and thatching were the most important uses of sorghum. High grain and stover yield, large grain size, early maturity, drought tolerance, pest and disease resistance, coloured grain and intermediate plant height were the major requirements of farmers. Fifty-three pollinators and forty-one male sterile parents were introduced from four sources and screened together with 27 pollen parents from Kenya. Parents and hybrids were tested in 4 environments: high and low plant density, in high and low moisture regimes laid out in a triple square lattice design in Kenya, with parents having two additional tests in South Africa. Males, females, sexes and parental sources differed significantly in head weight. There were sex x country and sex x environment interactions for head weight. Genetically distant parents' populations had higher chances of superior heterosis. Parents showed significant additive genetic variance in head weight. The regression of non-additive to additive genetic variance was roughly one and significant. Three female and five male parents were suitable for production of hybrids adapted to multiple environments. Hybrids and OPV lines significantly varied in head weight. Hybrids were superior to OPV lines in most agronomic traits. Economic superiority of the hybrids was sufficient to cover cost of hybrid production and distribution in Kenya. Hybrids and OPV lines varied significantly for plant density stress. Hybrids were less sensitive to stress and more productive than OPV lines under population density stress. KARI varieties were sensitive to plant density stress. In general low sensitivity to stress was beneficial and hybrids had superior yield to inbred varieties. / Thesis (Ph.D.)-University of KwaZulu-Natal, Pietermaritzburg, 2006.