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Introduction
Publications
Publications (8)
An unknown species of rust was observed on sugarcane in Swaziland and South Africa in 2008. Infected leaves showed rust-like symptoms on the abaxial and adaxial leaf surfaces. Uredinia appeared bright orange when fresh, releasing profuse, bright orange urediniospores, which distinguished it from Puccinia melanocephala, the only rust species known t...
During 2013, the yellow sugarcane aphid, Sipha flava (Homoptera: Aphididae), was recorded in the South African sugarcane industry for the first time. Initially discovered at Mount Edgecombe in the KwaZulu-Natal Province of South Africa, it was subsequently detected across the entire sugarcane industry and more recently in Swaziland and Zimbabwe. Mo...
The host plant range of pests can have important consequences for its evolution, and plays a critical role in the emergence and spread of a new pest outbreak. This study addresses the ecological genetics of the indigenous African maize stem borer, Busseola fusca (Fuller) (Lepidoptera: Noctuidae), in an attempt to investigate the evolutionary forces...
The host plant range of pests can have important consequences for its evolution, and plays a critical role in the emergence and spread of a new pest outbreak. This study addresses the ecological genetics of the indigenous African maize stem borer, Busseola fusca (Fuller) (Lepidoptera: Noctuidae), in an attempt to investigate the evolutionary forces...
Unlabelled:
Leifsonia xyli subsp. xyli (Lxx), causal organism of ratoon stunt (RSD), does not produce any reliable internal or external symptoms on sugarcane. Its detection on a large scale is solely based on microscopic and serological methods. These methods require well-equipped laboratories, are time consuming and are not feasible for near-fiel...
Ratoon stunting disease (RSD), caused by the bacterial pathogen Leifsonia xyli subsp. xyli, is one of the most important diseases of sugarcane worldwide. Yield losses have frequently been estimated at 5-10% and may exceed to 60% due to moisture stress or varietal susceptibility. L. xyli subsp. xyli produces no reliable or characteristic external sy...
Entomopathogenic nematodes (EPNs) and their symbiotic bacteria have been the focus of research for many years due to the possibility of their use as biocontrol agents. In the South African sugarcane industry, their use against the main insect pest, the stalk borer Eldana saccharina, was documented in the 1980s. This study re-investigates the use of...
Wolbachia is a maternally-inherited endoparasitic bacterium infecting many different insect species. It causes phenotypic changes resulting in mating disruptions in its host insect populations. There is thus much interest in the potential of Wolbachia as a biological control agent. Eldana saccharina (eldana) is well known for its damaging effects o...
