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Browsing Theses and Dissertations (Microbiology and Plant Pathology) by Issue Date
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Kotze, Johannes Marthinus
(University of Pretoria, 1963)
Please read the Summary and Conclusions(04chapter4) on pages 141-143
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Botha, Stephanus Johannes
(University of Pretoria, 1986)
Sporolactobacillus-isolate is verkry vanaf die mis van verskillende
herbivore diere, asook vanaf die rumen van 'h bees en die finale
afvloeiwater van 'h abattoir. Die isolate toon onderlinge verskille
ten opsigte van ...
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Sanders, Gina Mercia
(University of Pretoria, 1993)
The yearly losses incurred by bacterial blackspot disease are high. Often trees are
asymptomatic, with the pathogen either in the resident phase or latent stage of infection.
Detection of the pathogen in these asymptomatic ...
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Momba, M.N.B.
(University of Pretoria, 1997)
In this study, surface and ground water were used to evaluate the impact of disinfection
processes (chlorination, chloramination, ozonation, UV irradiation and hydrogen peroxide) on
bacterial regrowth and bioftlm formation ...
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Jaftha, Julian Bernard
(University of Pretoria, 1997)
Rabies viruses are known to be able to infect a broad range of warm-blooded animals. In
South Africa the disease is maintained in different animal species including dogs, jackals, bateared
foxes and a variety of members ...
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Jacobs, Jeanette Antonio
(University of Pretoria, 1997)
The lyssavirus genus of the Rhabdovirus family is divided into seven genotypes. Genotype 3, Mokola virus, has only been found on the African continent, and has been reported to infect rodents, cats, dogs and humans. The ...
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Olivier, Maretha
(University of Pretoria, 1998)
This study evaluated the effect of processing on the microbiological status of chicken
carcases in a small South African Grade B poultry abattoir. The bacterial numbers after
defeathering (6.2- 6.6 log CFU g-1
) and ...
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Kock, Martha Magdalena
(University of Pretoria, 1999)
ENGLISH : The use of different characteristics (the polyphasic approach) to describe bacterial taxa is a prerequisite for a stable classification. The taxonomy of root- and stem-nodulating rhizobia is in a state of transition. ...
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Jacobs, Adriaana
(University of Pretoria, 2000)
Please read the abstract in the section 00front of this document
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Du Preez, Martella
(University of Pretoria, 2001)
Please read the abstract in the section, 00front, of this document
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Jacobs, Rene
(University of Pretoria, 2002)
Please read the abstract (preface) in the section 00front of this document
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Surridge, Angela Karen Joanna
(University of Pretoria, 2002)
Leaf diseases are an integral part of banana production. While currently not a cause for major concern in South Africa, many of these diseases van reach epidemic proportions and cause severe crop loss. To determine the ...
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Jaftha, Julian Bernard
(University of Pretoria, 2002)
The advantageous association between rhizobia and leguminous plants has motivated numerous studies into the diversity and identity of the associated bacterial symbionts. This, as well as developments in molecular microbiology, ...
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Markotter, Wanda
(University of Pretoria, 2002-10-10)
Morphogenesis of orbiviruses, of which bluetongue virus (BTV) is the prototype, entails a process whereby each precursor viral particle acquires a single copy of each of the ten dsRNA genome segments. The lack of free pools ...
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Van Dyk, Kerien
(University of Pretoria, 2003)
Please read the abstract in the section 00front of this document
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Uaciquete, Americo
(University of Pretoria, 2003)
For a successful and economical integrated control program aimed at a particular disease, pertinent information, regarding the environmental conditions prevailing in the growing area, the crop itself and the pathogen, must ...
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Viljoen, Jan Hendrik
(University of Pretoria, 2003)
The purpose of the study was to: ° Report on the occurrence of mycotoxins in grain and grain products in South Africa; ° Compare with other countries; ° Weigh the evidence regarding effects on health of test animals, and ...
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Kara, Pravesh Deepak
(University of Pretoria, 2003)
In this study, the genomes of both the attenuated South African lumpy skin disease virus (LSDV) Neethling vaccine strain (LW) and a virulent field isolate from a recent outbreak namely the South African lumpy skin disease ...
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Hawumba, Joseph
(University of Pretoria, 2003)
Please read the abstract in the section 00front of this document
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Lombard, Lorenzo
(University of Pretoria, 2004)
Studies presented in this dissertation highlight the importance of fungal pathogens in forestry nurseries in South Africa. Both Acacia meamsii seedlings and Eucalyptus hybrid cuttings are shown to be affected by important ...