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A COMPARISON OF MULTIPLE CONTAINER AND TUBULAR SYSTEMS FOR THE LARGE SCALE LABORATORY CULTURE OF UNICELLULAR ALGAE
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J.N. Eloff --- Botany Department, South Africa G. H.J. Krüger --- Botany Department, South Africa A.J. van der Westhuizen --- Botany Department, South AfricaIt is pointed out that due to its construction a tubular system has many advantages, compared to a multiple container system. The most important being the ease of manipulation and the higher yield of algal material. The tubular system has... -
A root-bound index for evaluating planting stock quality of container-grown pines
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: D.B. South R. G. MitchellPot-binding can adversely affect the performance of container-grown stock. One factor that affects pot-binding is the size of the root system in relation to the size of the container. The aim of this study was to determine if an objective... -
Re-use of seedling containers and Fusarium circinatum association with asymptomatic Pinus patula planting stock
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Andrew R Morris --- Institute for Commercial Forestry Research, South Africa Gerda Fourie --- Department of Microbiology and Plant Pathology, South Africa Izette Greyling --- Department of Microbiology and Plant Pathology, South Africa Emma T Steenkamp --- Department of Microbiology and Plant Pathology, South Africa Nicoletta B Jones --- Sappi Forests, Shaw Research Centre, South AfricaFusarium circinatum is a pathogen causing serious post-planting mortality of Pinus patula seedlings in southern Africa. Containerised planting stock that is asymptomatic but associated with F. circinatum in the nursery is thought to be the cause of this problem. The... -
“Containing” tuberculosis, perpetuating stigma: the materiality of N95 respirator masks
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kate Abney --- School for International Training, USAThis paper analyses the role of the N95 respirator mask distributed by state-funded treatment programmes to patients who are undergoing treatment for different forms of tuberculosis (TB). Although mask-wearing protocol aims to physically “contain” TB, and thus stem the airborne...