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Recent submissions

Theses and Dissertations (Agriculture, Animal Health and Human Ecology): Recent submissions

Now showing items 41-60 of 183

Analysis of informal traders’ knowledge and compliance level of sanitary and phytosanitary measures (SPS) in fruits and vegetables in the city of Tshwane, South Africa

Moloto, Pheladi Macdonald (2022-08)

Sanitary and phytosanitary measures are intended to allow countries to protect the health of animals, humans and plants. Sanitary and phytosanitary measures (SPS) may require pest-free products to be inspected, treated, ...
Residual effects of soil applied atrazine on potatoes (solanum tuberosum) in selected South African soils

Phasha, Mashibihli Dineo (2022-02)

The residual effect of Atrazine [2-chloro-4-(ethylamino)-6-isopropylamino)-s-triazine] has emerged as a concern because of the possibility of carryover. A study was conducted at the Florida campus of the University of ...
Stimulation of germination by gibberellic acid and bacillus subtilis on common bean, maize, wheat and okra exposed to acid mine water at different temperature regimes

Maluleke, Sandra (2022-07)

Seed quality management is considered the key to boosting agricultural production, which may be quickly done using seed improvement technologies. Comprehensive seed priming techniques is one of the tools that enhance fast ...
The working dog handler/dog dyad in South Africa : a study of variables influencing working dog well-being

Coetzee, Anton (2021-11)

This study was conducted in the South African Working Dog Environment. Working Dog Handlers (WDH’s) (n = 389) from different state and private institutions participated in the study. The study population comprised of two ...
Potato (Solanum tuberosum L.) production in a changing climate: analysis of responses to elevated temperature and moisture conditions

Mdlalose, Samukelisiwe Precious (2022-05)

This study was undertaken to investigate the effects of increasing atmospheric temperature, combined with either drought or flooding, on the growth, development and productivity of the Markies and Fianna potato cultivars. ...
Effects of quicklime treated acid mine drainage (AMD) irrigation on the soil microbial activity, physiological parameters and biochemical performance of potato (Solanum tuberosum L.)

Munyai, Rabelani (2022-02)

The increasing need for irrigation water due to water scarcity and decreasing precipitation has led to the use of both treated and untreated acid mine drainage (AMD) as irrigation water. However, there is a paucity of ...
Isolation and identification of entomopathogenic nematode bacterial metabolites for biological control of fusarium head blight of wheat and wheat aphids

Kgosiemang, Julius Leumo (2022-03)

Fungal diseases such as Fusarium head blight (FHB) and a complex of wheat aphids are significant biotic stressors, negatively affecting wheat production and quality. The use of chemicals and resistant cultivars is continuously ...
Farmer’s perceptions of effectiveness of public agricultural extension services in South Africa: an exploratory analysis of associated factors

Maake, Matome M. S.; Antwi, Michael A. (2022-05-05)

Abstract Background Effective public extension and advisory services have the potential to improve agricultural productivity; net farm income; and food security amongst ...
Impact of climate change on yields and output supply responses of selected cereal crops in Ethiopia

Abera Gayesa Tirfi (2022-04-04)

Climate change affects agricultural production and productivity in sub-Saharan Africa, including Ethiopia, where it poses some threats to sustainable economic growth and ag-ricultural development. As studies conducted on ...
Sensitivity of Broccoli (Brassica oleracea var. cymosa) hybrid seedlings to selected soil applied herbicides under simulated thermoperiods and humidity of Magaliesburg

Egbueze, Emmanuel Ifeanyi (2021-10)

This study was conducted under a South African controlled environment to determine the sensitivity of direct seeded broccoli hybrid to four pre-emergence herbicides at seven application rates, Metolachlor at (0.4, 0.8, ...
Metabolomics and cell-based assay analysis of selected South African plants to determine anti-Rift Valley Fever Virus activity

More, Garland Kgosi (2021-12)

Rift Valley Fever Virus (RVFV) is a mosquito-borne haemorrhagic fever virus affecting both humans and animals with severe morbidity and mortality. RVFV is an emerging virus that is endemic to Africa. However, it can infect ...
Above ground effects of spacing on growth, performance and yield of container-grown spinach

Chikanda, Popular (2021-08-01)

Container production of vegetable crops like spinach is becoming an easy and popular alternative of subsistence farming. However, there are several limitations of container plant production, which include space allocation. ...
Classification and severity prediction of maize leaf diseases using Deep Learning CNN approaches

Sibiya, Malusi (2021-06)

Maize (zea mays) is the staple food of Southern Africa and most of the African regions. This staple food has been threatened by a lot of diseases in terms of its yield and existence. Within this domain, it is important ...
Determinants of climate change adaption measures among crop farmers in Limpopo Province of South Africa

Ogunsola, Mary Tosin (2020-12)

Agricultural production is the main source of livelihood and food security for crop farmers especially the rural communities in the Limpopo Province of South Africa. This sector contributes immensely to the Gross ...
Studies in the application of green banana flour composite from 10 banana cultivars in gluten-sugar-free banana flour based biscuit

Malindi, Tshimangadzo (2021)

Gluten intolerance and diabetes are some of the major noninfectious sicknesses in South Africa. The influence of ingredients on the physicochemical profile of composite green banana flour-based biscuits was examined in ...
Screening wheat (Triticum aestivum L.) landraces to use as donor lines of Russian wheat aphid resistance and the application of molecular markers to identify potential high yielding genotypes with minimal linkage drag to undesirable traits

Bapela, Theresa Magabjane (2020-02)

Wheat is an important staple food produced, consumed and traded globally. South Africa is now experiencing climate change, the emergence of biotypes and pathotypes, increasing human population, as well as a decrease in ...
Predictors of dead on arrival (DOA) among broilers slaughtered at a poultry abattoir in Mopani District of Limpopo Province, South Africa

Shokwe, Tumelo Roderick (2020-10-27)

Dead-on-arrival (DOA) at poultry abattoirs is a significant problem faced by poultry producers and abattoirs and causes losses of billions of rands each year. However, the phenomenon of DOAs has not been extensively ...
Milk quality and prevalence of mastitis pathogens in infected bovine mammary glands and their sensitivity to local plant extracts

Banza, Jean Longo (2020-10)

The presence of pathogenic bacteria and antibiotics residue in milk is of public health concern. Traditional and established tests of mastitis diagnosis including microbial culture-based and somatic cell counts (SCC) ...
Soil phosphorus availability and utilization efficiency by soybean [Glycene Max. (L.) Merr.] under a short term no-till in smallholder farms in South Africa

Chauke, Patience Busisiwe (2021-03-08)

The main limiting factor in soybean production in South Africa is low native soil phosphorus (P) availability and poor utilization efficiency of added P. Phosphorus fertilization, use of improved or high yield potential ...
Agri-mat and grass mulch effects on selected soil physical and chemical properties, runoff, crop growth and yield in South Africa

Mgolozeli, Sibongiseni (2021-07)

The current research work was conducted to understand the dynamics of nutrients from the organic-inorganic (algae, agri-mat, grass and lime ammonium nitrate) amendments into soil through mineralization, their movement ...

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