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- Browsing Theses and Dissertations (Plant Production and Soil Science) by Title
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Browsing Theses and Dissertations (Plant Production and Soil Science) by Title
Now showing items 1-20 of 290
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(University of Pretoria, 2017)The hybrid combination between Eucalyptus grandis and Eucalyptus urophylla plays a significant role in the production of pulp in the South African Forestry Industry. Superior clones of this hybrid combination have been ...
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(University of Pretoria, 2017)This study was conducted to better understand the usefulness of water footprint (WF) information for vegetable crops produced on a water-stressed aquifer in South Africa. Different methodologies were investigated in a ...
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(University of Pretoria, 2005-07-26)Morphological and anatomical studies demonstrated the root formation characteristics of sweet potato. The presence and importance of preformed root primordia is recorded for the first time. On the vines root primordia are ...
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Allelopathic effect of the weed Cyperus esculentus on the growth of young Pinus patula plantations (University of Pretoria, 2001)Please read the abstract in the 00front part of this document.
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(University of Pretoria, 2011-06-27)No information is available on the role of allelopathy in crop rotation systems of the Western Cape Province of South Africa, where more than 100 000 ha are under threat from herbicide-resistant rye grass. A study which ...
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(University of Pretoria, 2007-08-27)Silverleaf nightshade (Solanum elaeagnifolium), a perennial broadleaf weed, has become a serious pest in many semi-arid areas of the world. Control of silverleaf nightshade is confounded by its ability to produce thousands ...
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(University of Pretoria, 2007-04-04)The alien invader plant Parthenium hysterophorus is a Category 1 weed in South Africa, where it poses a serious threat to indigenous vegetation in particular, and to biodiversity in general. In addition to its competitive ...
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(University of Pretoria, 2013)Conyza bonariensis, flaxleaf fleabane, is a major weed threat on cultivated and non-cultivated lands, gardens, roadsides and waste places. The weed in South Africa is believed to have originated from South America, and the ...
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(University of Pretoria, 2006-10-07)Silverleaf nightshade is a serious problem weed in many semi-arid regions of the world. Although many research efforts have been devoted to this weed’s interference with crop species, possible chemical interference ...
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(University of Pretoria, 2009-11-10)It has been suggested that the Category 1 weed, Campuloclinium macrocephalum (Less) D.C has allelopathic potential, which would, at least partially, explain its apparent success as an alien plant in South Africa. Studies ...
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(University of Pretoria, 2001)Please read the abstract in the dissertation
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(University of Pretoria, 2019)The discovery of antibiotics has been one of the major breakthroughs in the history of medicine for the treatment of microbe-related infections. Soil-borne microorganisms have been known to potentially produce clinically ...
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(University of Pretoria, 2012)Most of the fields planted with clonal tea in Malawi are deficient in micronutrients. This was evident in leaf analysis data collected in 2007 from 170 mature clonal tea fields of some of the tea estates in Malawi, which ...
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(University of Pretoria, 2013)The potato (Solanum tuberosum L.) crop serves as a staple food worldwide and is capable of reducing the world’s food shortages because unlike cereals and other agricultural crops, it is less affected by prices in the ...
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(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 ...
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(University of Pretoria, 2007-12-20)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2017)Forests play an important role in climate-change management, particularly at rural community level. At the same time, forests are essential resources for human welfare and an important part of the landscape. In addition ...
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(University of Pretoria, 2016)Maize (Zea mays L) is a staple food crop grown in South Africa by both large scale commercial and smallholder farmers. During the 2013/14 cropping season maize occupied about 2.6 million hectares of the total 3.9 million ...
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(University of Pretoria, 2011-09-28)Cases of atrazine damage to maize, and occasional reports of excessive residue persistence that caused injury to susceptible following crops, prompted research on factors which influence the bioactivity and persistence of ...
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(University of Pretoria, 2018)Plant growth-promoting rhizobacteria (PGPR) are bacteria that colonize the rhizosphere and/or roots in the presence of other soil microflora and have growth promotion activity and/or biocontrol activity. Plant growth-promoting ...
Now showing items 1-20 of 290