• Physiological, biochemical and root proteome responses of maize seedlings to drought stress 

  Moloi, Lerato (University of the Free State, 2022)

  A primary limiting factor for maize during its growing period is drought stress. With the decrease in yield and biomass triggered by drought stress in maize, drought has become a critical issue that must be considered due ...

• Metabolic and proteomic responses of sorghum cell cultures to polyethylene glycol-induced osmotic stress 

  Mosea, Dipuo (University of the Free State, 2022)

  Climate change, population growth, and the emerging water crisis are negatively affecting agricultural productivity and, thus, food security. Climate change results in drought, which is a major osmotic stress. Osmotic ...

• Ecology and conservation status of six medicinal plants commonly used to treat diabetes in the eastern Free State, South Africa 

  Pitso, Teboho Raymond (University of the Free State, 2013-12)

  Diabetes mellitus is a global disease with an extreme effect on the quality of life of the patients and it is increasing among South Africans. South African population is predominantly black and medicinal plants represent ...

• Inoculation techniques and evaluation methodologies for Sclerotinia sclerotiorum head and stem rot in sunflower and soybean 

  Bester, Marlese Christine (University of the Free State, 2018-01)

  Sclerotinia stem and head rot on soybean and sunflower are caused by the fungal plant pathogen Sclerotinia sclerotiorum. This pathogen can be responsible for up to 75.0% yield loss. A major constraint in the effective ...

• Molecular responses of sorghum cell suspension cultures to high temperature stress 

  Ngcala, Mamosa Gloria (University of the Free State, 2018-12)

  High temperatures and frequent drought episodes limit plant growth and development. Ultimately, low crop yields are realised and food insecurity follows. Therefore, there is a need to develop crops that can tolerate extreme ...

• A comparative physiological, proteomic and biochemical analysis of sorghum seedlings under salt stress 

  Moloi, Sellwane Jeannette (University of the Free State, 2018-11)

  Soil salinity negatively affects plant growth and development, causing crop losses, worldwide. Understanding plant response mechanisms towards salt stress is thus an important step in ensuring food security. Sorghum [Sorghum ...

• Vegetation ecology of Soetdoring Nature Reserve: pan, grassland and karroid communities 

  Janecke, Beanelri Benene (University of the Free State, 2002-09)

  English: The main aim of this study was to identify, classify, describe and ecologically interpret the plant communities and their variations for the pans, grassland and karroid grassland of Soetdoring Nature Reserve and ...

• Water quality of the Modder River 

  Koning, Nadene (University of the Free State, 1998-11)

  English: The Modder River is a relatively small river which drains an area of 7 960 km² , in the central region of the Free State Province, South Africa and has a mean annual runoff of 184 x 10⁶ m³ . Botshabelo is a city ...

• Assessing genetic diversity and identification of Microcystis aeruginosa strains through AFLP and peRRFLP analyses. 

  Oberholster, Paul Johan (University of the Free State, 2003-12)

  English: There are 150 cyanobacterial genera and approximately 2 000 species known in the world. More than 40 of these have toxin producing strains. Cyanobacteria, commonly known as blue-green algae, are often present ...

• Assessment of South African bread wheat cultivars for milling quality 

  Aucamp, J. C. (University of the Free State, 2003)

  English: The objectives of this research were to assess South African winter and facultative bread wheat cultivars for milling quality, to study the effect of genotype x environment interaction on the stability of the ...

• An investigation into the possible causes of decline in the Acacia Erioloba population of the Kathu area 

  Van der Merwe, Karien (University of the Free State, 2001)

  English: Concerned residents have been reporting a decline in the A. erioloba population of the Kathu area to the Northern Cape Nature Conservation Service (NCNCS) since the early 1980's. This is the third study on this ...

• An assessment of endophytic fungi in needles of three pinus spp. cultivated in South Africa 

  Kriel, Wilma-Marie (University of the Free State, 1999-11)

  English: Endophytes, in the strict sense, are organisms that cause symptom less infections in plants. As symptomless mutualists, they can act as biocontrol agents of herbivorous insects and plant diseases. They can also ...

• 'n Ondersoek na die antibakteriese eienskappe van Carpobrotus edulis L. 

  Van der Watt, Elmarie (University of the Free State, 1999-11)

  English: In the folk medicine of South Africa, many traditional medicinal plants are used by both the rural and a small percentage of the city population. One of these plants is Carpobrotus edulis L. An investigation of ...

• Water quality of the upper Orange River 

  Venter, Gertruida C. (University of the Free State, 2000-05)

  English: The Upper Orange River is defined as the region between the source in the Drakensberg (Lesotho) and the Orange-Vaal confluence. Information on the water quality, phytoplankton composition and the influence of ...

• Chemical composition and antimicrobial activity of different root extracts of Hermannia geniculata against human pathogens of medical importance 

  Mojau, Pheello Jeremia (University of the Free State (Qwaqwa Campus), 2015-12)

  Hermannia geniculata has been used widely as traditional medicine for treatment agai nst infectious human pathogens. The aim of the study was to determine the antibacterial and anti fungal activities of H. geniculata ...

• The analysis of the national wetlands vegetation database: freshwater lowland palustrine wetlands 

  Mtshali, Hlengiwe (University of the Free State, 2015-12)

  The South African wetlands vegetation is not well known. Number studies were conducted to classify vegetation focusing mostly in small areas throughout the country. Data from all studies were collated and used to build ...

• The evaluation and characterisation of South African wheat cultivars for temperature stress tolerance 

  Lichakane, Moipei Lydia (University of the Free State, 2005-05)

  English: Extreme temperatures are detrimental to plant growth and development and thus affect the productivity of various crops around the world. In South Africa, nearly 544 000 hectares of wheat were insured against ...

• Factors contributing to sodium dodecyl sulphate (SDS) sedimentation in irrigation wheat 

  Mashamba, Nthabiseng Takalani (University of the Free State, 2017-04)

  The main objective of this study was to determine factors contributing to sodium dodecyl sulphate-sedimentation volume (SDSVOL) in elite wheat breeding lines grown at three different irrigation locations. This was possible ...

• Combining ability for crude protein in six selected inbred x Triticosecale genotype 

  Venter, Willem Daniel (University of the Free State, 2007-12)

  English: The objective of this study was to study the combining ability, heritability and additive genetic correlation of various crude protein characteristics in a selected fixed population. Three treatments were used ...

• Assessment of adult plant resistance to stripe rust in wheat 

  Pienaar, Lizaan (University of the Free State, 2004-05)

  English: The objective of this study was to develop and optimise methods to detect adult-plant resistance (APR) in wheat to stripe rust caused by Puccinia striiformis f.sp. tritici. A collection of spring wheats was ...

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