• The impact of inoculation and seed dressing on doubled-up legume technology 

  Phiri, Adon (University of Pretoria, 2023)

  Rhizobium inoculation and seed dressing are some of the agronomic practices that affect crop productivity in doubled-up legume technology. Doubled-up legume technology is the practice of intercropping two compatible grain ...
• Relating canopy size of pecan (Carya illinoinensis (Wagenh.) K. Koch) trees to transpiration 

  Zwane, Mhlonishwa Siboniso (University of Pretoria, 2022)

  The South African pecan (Carya illinoinensis (Wagenh.) K. Koch) sector is not exempt from water scarcity difficulties, so effective irrigation management techniques are required in pecan orchards to help growers maximize ...
• Secretome analyses of selected Pectobacterium brasiliense 1692 secretion systems 

  Maphosa, Silindile (University of Pretoria, 2022-10-09)

  SUMMARY Soft Rot Pectobacteriaceae (SRP) is a family of Gram-negative bacteria (GNB) that causes damage to crop and ornamental plants. Pectobacterium brasiliense 1692 (Pbr1692) is among the most devastating Pectobacterium ...
• Evaluating and improving crop growth models for simulating genotype-by-environment interactions in sugarcane 

  Jones, Matthew Robert (University of Pretoria, 2023-02)

  In his thesis, entitled “Evaluating and improving crop growth models for simulating genotype-by-environment interactions in sugarcane”, Matthew Jones has enhanced our capacity to assist sugarcane breeding using crop growth ...
• Utilizing zero-valent iron for the remediation of sulfate-rich mine water 

  Venter, Philip (University of Pretoria, 2022)

  Coal and gold mining in South Africa generates sulfate-rich mine water, where Ca and Mg are the dominant cations. Gypsum solubility controls Ca concentration and, to a certain degree, sulfate. Mg solubility is not controlled ...
• Araucaria (Araucaria araucana) canker disease in Chile : etiology and fungal diversity 

  Balocchi Schalchli, Felipe Alejandro (University of Pretoria, 2022)

  The thesis titled ‘Araucaria (Araucaria araucana) canker disease in Chile: etiology and fungal diversity’ considered a serious disease that has recently emerged on Araucaria araucana, an iconic conifer species endemic to ...
• The effect of a non-ionic surfactant on the growth and development of tomato and wheat plants under deficit irrigation 

  Cronning, Tryan-Lee (University of Pretoria, 2022)

  The use of surfactants in plant production is becoming increasingly popular in the agricultural sector. Non-ionic surfactants (NIS) are being used for water conservation as well as the improvement of plant growth factors, ...
• Characterization of Lecanosticta and Lophodermium species on non-native pines in the Southern Hemisphere 

  Theron, Cheyenne Amor (University of Pretoria, 2022)

  Many countries have established commercial plantations of Pinus spp. to accommodate a growing demand for wood and timber products. In the Southern Hemisphere, where Pinus spp. are non-native, establishment of these plantations ...
• The influence of seed size and seed pre-treatment on germination, early seedling growth, field survival and growth of Pinus elliottii 

  Petersen, Owen Piston (University of Pretoria, 2022)

  Successful tree species establishment depends on the quality of nursery-raised seedlings and good silvicultural practices such as appropriate site x species matching, site preparation, tending and tree protection. Commercial ...
• Greenhouse gas emissions in croplands and downslope riparian buffer strips with varying vegetation 

  Dlamini, Jerry Celumusa (University of Pretoria, 2022-07-29)

  Vegetated riparian buffer areas are implemented as an intervention to intercept, retain and process diffuse non-point source pollutants (NPS), including nitrate (NO3-), phosphorus (P), herbicides, and pesticides emitted ...
• Root phenotyping of soybean (Glycine Max (L.) Merr.)related to nodulation and biological nitrogen fixation 

  Dlamini, Nokwanda Octavia (University of Pretoria, 2021)

  ABSTRACT Soybean is an important leguminous crop, mostly used for soybean cake and soybean products for human consumption. The increase in cost of fertilizers has led farmers to opt for biological nitrogen fixation. This ...
• Vulnerability, resilience and climate adaptive strategies of forest-dependent communities in Central and Southern Malawi 

  Chisale, Harold L.W. (University of Pretoria, 2022)

  In Malawi as elsewhere in developing countries, the majority of the rural communities and the large proportion of the urban population depend on plant and animal products from the forests to meet their nutritional, energy, ...
• Evaluation of glyphosate and 2,4-Dichlorophenoxyacetic acid combinations to control glyphosate-resistant hairy fleabane [(Conyza bonariensis (L.) Cronquist] 

  Malindzisa, Nonhlanhla P. (University of Pretoria, 2022)

  Herbicide resistance has become a global threat to sustainable weed management. It is an avoidable consequence of continuous and repeated use of herbicides with single modes of action, use of unregistered mixtures and use ...
• Seedborne bacteria of onion : a study on pathogenicity and diversity 

  Moloto, Mamogwasha Vallry (University of Pretoria, 2022)

  Onion (Allium cepa L) is widely used in cooking; they add flavour to dishes such as salad, soup and stew. Onions are the third most popular vegetable in South Africa, after potatoes being first and tomatoes being second. ...
• Leaf pathogens of Eucalyptus in South Africa with particular reference toTeratosphaeria destructans 

  Rikhotso, Emeldah Ingrid (University of Pretoria, 2021)

  Commercial plantations comprising of Eucalyptus species and their hybrids make up approximately 44 % of the South African forestry industry. The majority of Eucalyptus plantations in the country are planted in the KwaZulu-Natal ...
• Nitrogen dynamics of amending coal gasification ash with organic industrial sludge: implications for dumpsite rehabilitation 

  Mbakwe, Ikenna (University of Pretoria, 2014-03)

  Coal gasification ash (CGA) is the waste by-product of the process of producing synthetic fuel from coal. Every year, millions of tons of this saline, alkaline waste are generated and although alternative uses have been ...
• Using the organic carbon fractions of the Van soest method to determine compounds responsible for C and N mineralization from sludge amended soils 

  Malobane, Mashapa Elvis (University of Pretoria, 2014-11)

  The composition of sludge organic matter is mainly influenced by the origin of wastewater. The biochemical composition of sludge could, however, alter from post wastewater treatment drying techniques. Such changes have ...
• Long-term biosolids use in agricultural lands : effects on selected soil chemical properties, accumulation of triclosan and sulfamethoxazole in the soil and maize plant 

  Ngoetjana, Matome Peter (University of Pretoria, 2021)

  Biosolids are the transformed products of sewage sludge produced through various sludge stabilization processes including drying, dosing and digestion. Biosolids are commonly applied to agricultural lands to improve soil ...
• The impact of water stress at different phenological stages on the yield and quality of Macadamia (F. Muell) 

  Smit, Armand Hendrik (University of Pretoria, 2021)

  Irrigated agriculture is currently the single largest consumer of water on the planet, accounting for a near 22% of total freshwater consumption. Efficient water use strategies in the agricultural sector are therefore ...
• The impact of water stress at key phenological stages on yield and quality of pecans (Carya illinoinensis Wangenh. K.Koch) 

  Kunene, Seluleko (University of Pretoria, 2021)

  An important part of developing sound water management strategies for crops is to identify phenological stages which are sensitive and insensitive to water stress in terms of yield and quality. This is particularly important ...

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