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Now showing items 4077-4096 of 17157
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Distribution, epidemiology and management strategies for Avocado sunblotch disease in South Africa.
(2017)Avocado (Persia americana Mill.) is an economical important subtropical fruit worldwide. In the republic of South Africa (RSA) avocado contributes approximately 29% to the total gross value of subtropical fruits. Avocado ... -
Distribution, molecular identification and the effect of biological control of phytophthora cinnamomi on macadamia in the Limpopo and Mpumalanga provinces, South Africa.
(2017)Macadamia is a nut-bearing tree that belongs to the family Proteaceae that consists of evergreen woody plants (Augstburger et al., 2002). The aboriginal tribes used the nuts as a staple food and as a base for medicines and ... -
Distribution, phenotype and factors influencing the production potential of Nguni sheep.
(2018)The Nguni sheep of South Africa is an indigenous breed that is adapted to its environment. Migrating from Central Africa down the sweltering east coast of Africa down to Southern Africa, the sheep were exposed to different ... -
Diverse computational tools towards the understanding of HIV targets and design of potential drug candidates.
HIV/AIDS still remains to be a challenging epidemic infecting millions of individuals worldwide. The morbidity and mortality rates of HIV-infected patients has been well documented over the years. Despite on-going HIV/AIDS ... -
Diverse school contexts and novice teachers' professional development.
(2013)This study is an exploration of the influence of different school contexts on novice teachers’ professional development and learning. The study sought to understand and interpret how 1st year novice teachers who were exposed ... -
Diversity analysis and breeding for maize weevil (Sitophilus zeamais Motschulsky) and larger grain borer (Prostephanus truncatus horn) : resistance in productive maize germplasm in Malawi.
(2014)Maize (Zea mays L.) is the main staple food crop in Malawi grown by 97% of small holder farmers. However, the potential maize yields are reduced by postharvest losses of grain in storage due to the larger grain borer ... -
Diversity analysis of South African sorghum genotypes using agronomic traits, SSR markers and protein content and amino acid composition.
(2015)Sorghum is an important food security crop and ranks fifth after wheat, rice, maize, and barley in total area of production globally. In South Africa, sorghum is mainly grown for food and livestock feed both by small-holder ... -
Diversity and disease : the demographic and socio-economic determinants of chronic disease in South Africa.
(2014)Chronic diseases are the leading cause of global mortality and morbidity. The already high rates of these diseases are predicted to increase even further, particularly in developing regions. Diabetes, ... -
Diversity and distribution of subtidal soft-bottom macrofauna of the Isimangaliso Wetland Park, South Africa.
(2014)There have been no previous studies describing the subtidal soft-bottom macrofaunal assemblages of the iSimangaliso Wetland Park or how they are influenced by the ecological and environmental processes associated with coral ... -
Diversity of bivalve molluscs within the St Lucia estuarine system, with emphasis on the ecophysiology of Solen cylindraceus and Brachidontes virgiliae.
(2014)The St Lucia estuarine system, Africa’s largest estuarine lake, is characterised by cyclic changes from hypersaline to oligo/mesohaline conditions in response to alternations between drought and wetter than average years. ... -
Divesting and investing as strategic decisions in small business entrepreneurship.
(2003)With many studies on small business entrepreneurship indicating high failure rates, South Africa is no exception. However, the small business is a critical sector of the South African economy, as it contributes significantly ... -
Divided facilities : early cottage hospitals and the provision of health care Services in Natal, 1880-1910.
(2018)This dissertation investigates the history of the introductory of the cottage hospital system in the colony of Natal. This thesis examines the history of three cottage hospitals that were erected in Natal from the late ... -
Divorce and remarriage among the Shambala Christians : the pastoral response of the church; Evangelical Lutheran Church in Tanzania, north eastern Diocese, southern district.
(2004)This dissertation critically reflects the problem of divorce and remarriage within the North Eastern diocese of the Lutheran Church in Tanzania. A problem which has become rampant in the whole church. The situation became ... -
Divorcees' problem : the church as a healing agent in counselling of divorcees.
(1998)The objective of this research study is to investigate the problems of the divorced Christians within the Anglican Diocese of Kirinyaga in Kenya. A selection was made of some the divorced Christians in this diocese who ... -
DNA barcoding of KwaZulu-Natal afromontane forest parmelia (parmeliaceae) species: a molecular approach to accurate specimen identification and sensitivity to climate change.
(2018)Accurate species identification is challenging, especially in groups with subtle taxonomically diagnostic characters such as lichens. Molecular-based techniques have shown to be a valuable tool for accurate specimen ... -
DNA cleavage, photoinduced by benzophenone-based sunscreens.
(2003)The topical application of sunscreens is widely practised to protect healthy and photosensitive skins from the sun. The benzophenone-derived sunscreens, e.g. 2-hydroxy-4-methoxy benzophenone-5-sulphonic acid (or benzophenone-4) ... -
DNA profiling as a means of establishing paternity in South African law.
(1994)The pathetic cry 'Who is my father?' has been asked time and again the world over. Discovery of paternity, linked as it is with the processes - legal and scientific - of establishing the alleged father's relationship on a ... -
DNA restriction fragment lenth polymorphisms in the identification of clonal variants of eucalyptus.
(1993)The technique of restriction fragment length polymorphism (RFLP) analysis, of chloroplastic and genomic DNA, was investigated as a means of identifying eucalypt species and cultivars which are morphologically indistinguishable ... -
Do African country investment plans mitigate high food prices through improved household risk management? : a five-country comparative analysis.
(2012)Staple food prices rose sharply in 2007/2008, dropped slightly after July 2008, and rose again in 2010/2011. Since 2008, food prices have remained high, indicating a structural upward adjustment in food prices amidst ... -
Do cumulative mild head injuries in rugby affect neuropsychological performance? : a comparative study between club rugby players and non-contact sport athletes.
(2008)Context: Concussion is a major sports medicine concern that is currently under scrutinisation worldwide. Well-publicised cases of careers ending due to multiple concussions, and the potential for permanent, disabling ...