Browsing Theses and Dissertations by Issue Date
Now showing items 81-100 of 127
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Effects of safflower (Carthamus tinctorius L.) genotypes on growth, development, yield and yield components, and oil content and yield
(Botswana University of Agriculture & Natural Resources, 2018-09)Safflower (CarthamustinctoriusL.) is a multipurpose oil seed crop that is drought, heat, cold and saline tolerant, but minor and neglected despite its many uses. However, recently there is renewed interest in safflower ... -
Evaluation of variety alone or in combination with diatomaceous earth or pyriproxyfen (an insect growth regulator) for managing plodia Interpunctella (hubner) (lepidoptera; pyralidae) on stored groundnuts (arachis hypogaea L.)
(Botswana University of Agriculture & Natural Resources, 2018-09)In storage, insect pests cause considerable losses to stored groundnut (Arachis hypogaca L.) and one of the major storage pests worldwide is Plodia interpunctella (Hubner). Two experiment were conducted to evaluate the ... -
Effects of urea or lime stone ammonium nitrate (LAN) on biomass yield and chemical composition of silage from pure stand and intercropped lablab, Tswana cowpea, millet and buffel grass in Botswana
(Botswana University of Agriculture & Natural Resources, 2018-12)This study investigated if Urea or LAN had any effect on biomass yield and chemical composition (Macro and micro mineral) of silage made from fodder crops of Lablab (Lablab purpureas), Tswana cowpea (Vigna unguiailata), ... -
Effects of watering frequency and soil types on growth and yield of kgengwe (Citrullus lanatus var. Citroides)
(Botswana University of Agriculture & Natural Resources, 2019-04)There is now a growing realization by government and other role players in Botswana of the importance of indigenous plants as alternative food crops to enhance food security and biodiversity. Experimental research was ... -
Pastoralists, Free-Ranging Livestock and Wildlife Interactions: Adaptation to Land Use Change and Grazing Resources Variability in Kalahari North, Botswana
(The University of Leeds, 2019-04)Conservation of African wildlife is dependent on conservation areas (CAs) and adjacent pastoral areas. Even though the number of African CAs are increasing, the wildlife population in these CAs are in general decline because ... -
The potential use of Green maize husks wastes collected from street vendors in Gaborone as feed for livestock
(Botswana University of Agriculture & Natural Resources, 2019-06)Large quantity of Green maize husks (GMH) materials are thrown away by Street Vendors who sell roasted maize to tire public in Gaborone city. These wastes materials are causing nuisance as they attract animals and rodents ... -
Value-addition of cereal crop residues using low technology oyster mushroom (pleurotus spp.) production to improve small-scale farmers’ income and nutrition in Botswana
(Botswana University of Agriculture and Natural Resources, 2019-08)The average cereal grain yields for Botswana small-scale farmers is 108kg/ha with gross income of P233.95/ha, respectively. The low yields are due to frequent droughts and pest outbreaks resulting in food and nutrition ... -
An assessment of socio-economic potential of conservation agriculture and prediction of its future performance using the DSSAT model for the Pandamatenga vertisols in northern Botswana
(Botswana University of Agriculture & Natural Resources, 2019-11)This study was based in the Chobe District in Pandamatenga village in the northern region of Botswana. The main aim of the study was to assess the socio - economic potential of Conservation Agriculture (CA) technologies ... -
Comparative assessment of the effects of horse manure and urea as nitrogen sources on seed yield, forage production and nutritional quality of Cenchrus ciliaris post seed harvesting.
(Botswana University of Agriculture and Natural Resources, 2020)The objective of this research was to evaluate the comparative effects of horse manure and urea, as sources of nitrogen, on seed and biomass yields of Cenchrus ciliaris and the nutritional quality of its forage residues ... -
Wheat (Triticum aestivum L.) yields and protein profiles under varying plant densities, nitrogen doses and planting time in Botswana
(Botswana University of Agriculture & Natural Resources, 2020-02)Field studies were conducted at the Botswana University of Agriculture and Natural Resources, Sebele, Gaborone, to determine the effects of planting densities, nitrogen application rate, and planting time, on two wheat ... -
Evaluation of cropping strategies for mitigating elephant crop raiding in communities along the eastern Okavango Panhandle of Botswana
(Botswana University of Agriculture and Natural Resources, 2020-03)There is an increased call for elephant protection and conservation due to the anthropogenically driven decline in elephant numbers globally. However, due to protection by Government legislation in Botswana, elephant ... -
Storage temperature and atmosphere influenced postharvest quality of marula (sclerocarya birrea subspecies caffra) fruits
(BUAN, 2020-07)Low temperature storage is the most effective technology for maintaining quality and extending the postharvest life of fresh horticultural produce. However, horticultural produce of tropical and subtropical in origin are ... -
Seed germination of morama bean (tylosema esculentum (burch) a. schreib) from different collection sites in Botswana
(Botswana University of Agriculture and Natural Resources, 2020-07)Understanding the seed biology and germination ecology of plants is critical for bringing them into cultivation, yet this information is insufficient for Tylosema esculentum despite its potential as a future crop. T. ... -
Growth performance of muscovy and pekin ducks and genetic diversity of muscovy duck population in Botswana
(Botswana University of Agriculture & Natural Resources, 2020-09)A research study was carried out to compare growth performance of Muscovy (Cairina moschata domestica) and Pekin ducks (Anas platyrhynchos) and to evaluate the genetic diversity of Muscovy duck population in Botswana. ... -
Bovine cysticercosis: prevalence, risk factors, its socio-economic effects on cattle farmers in Botswana and identification of immunogenic antigens
(Botswana University of Agriculture & Natural Resources, 2020-09)Botswana’s incidence of Taenia saginata cysticercosis following passive post-mortem inspection has increased consistently, with attendant public health and socioeconomic implications. Most published bovine cysticercosis ... -
Identification of mongongo (schinziophyton rautanenii) and morama (tylosema esculentum) insect pests and their natural enemies in Botswana.
(Botswana University of Agriculture and Natural Resources, 2020-10)The study was conducted at the Botswana University of Agriculture and Natural Resources (BUAN) Sebele, Gaborone. Sampling sites for this study was done in Kweneng district and Okavango district, and the experiments were ... -
Genetic characterization of tswana and tuli cattle kept at Botswana University of Agriculture and Natural Resources using microsatellite markers
(Botswana University of Agriculture and Natural Resources, 2020-10)Twelve FAO-lSAG-rccommended microsatellite markers were used to analyse genetic variation in Tswana and Tuli cattle breeds. All loci were polymorphic and a total of 75 and 77 alleles were genotyped in the Tswana and Tuli ... -
Comparative growth performance and semen characteristics of indigenous naked neck tswana and black australorp x naked neck tswana chickens under an intensive management system in Botswana.
(Botswana University of Agriculture and Natural Resources, 2020-10)This study investigated growth performance and semen characteristics of naked neck Tswana and black Australorp X naked neck Tswana chickens. The birds were raised under intensive management system from day old to 20 weeks ... -
Morphological characterization and evaluation of Botswana bottle gourd (Lagenaria siceraria Molina Stand1.) landraces
(Botswana University of Agriculture & Natural Resources, 2021-06)Bottle gourd (Lagenaria siceraria Molina Stand1.) landraces are usually grown in Botswana under subsistence farming. Morphological characterization of the landraces is important to identify promising landraces for breeding, ... -
Potential of some botanical extracts, soap solutions and companion plants against cabbage aphid (Brevicoryne Brassicae L.) on rape (Brassica napus L.)
(Botswana University of Agriculture & Natural Resources, 2021-06)Rape (Brassica napus L.) is a popular leafy vegetable grown for home consumption and for sale in Botswana and other African countries. It significantly contributes to the livelihood of both smallholder and commercial ...