Browsing Slide Collection (Paraclinical Sciences - Pharmacology & Toxicology) by Issue Date

Browsing Slide Collection (Paraclinical Sciences - Pharmacology & Toxicology) by Issue Date

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  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: An active invader, often in disturbed areas and over-grazed land. Most common on the western and southern edges of the Karoo.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Occurs in a wide variety of habitats, most commonly in stony areas or open grassland. Also near water, in marshy or damp places, between rocks as well as on old lands.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    Crassula arborescens: Distribution: Usually to be found on dry rocky hillsides in karroid scrubland. Botanical description:General: Usually a shrub, 1-2 m, but can also grow up to 3 m tall. Bark smooth, succulent, ...
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    TOXIC PRINCIPLE: Mechanism of formation: • Plant hairs are apparently poorly digested by ruminal micro-organisms and accumulate in especially the abomasum. • Here under the influence of abomasal movement, innumerable ...
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Trifolium spp. as well as Medicago spp. were imported from Europe and Asia to grow as fodder for stock. The Oudtshoorn district is responsible for about 90% of the lucerne seed produced in South Africa.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Grows on different grains, e.g. maize and sorghum. Maize is produced mainly in the North-West, north-western, northern and eastern Free State, the Mpumalanga Highveld and the Kwazulu-Natal Midlands.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: A fungus that is one of the most prevalent moulds on harvested maize throughout the world. Maize is produced mainly in the North-West, the north-western, northern and eastern Free State, the Mpumalanga ...
  • Poaceae 
    Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Widespread grasses that occur naturally in all kinds of veld types.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Originally from Central and South America, it is now a serious invading plant. More commonly found in the moist eastern parts of the country. Often cultivated as a garden subject.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Originally from Australia. Now aggressive invader species to be found all over the country.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: It grows on flats or hill slopes, and on sandy, loamy or stony soil, especially where the soil is overgrazed or disturbed. Once S. kwebense becomes established in an area, no grass will grow in its vicinity.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    Aristida spp. Three-awned grass, Steekgras. DISTRIBUTION: Usually to be found in disturbed, eroded soil or on hard bare gravelly soils.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: • An exotic plant that can be found in suburban gardens throughout southern Africa. • Originally from Europe. • Nerium oleander is now a declared weed in South Africa.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Peanuts, an important cash crop, is an annual legume. Its cake is used as feed or for makingt other food products and haulms provide quality fodder. Peanuts are mainly grown in the Free State, Northwest and ...
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Exotic plant originally from Europe, growing in orchards, gardens, etc. and on disturbed soil in the south western Cape region.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: To be found in the eastern parts of South Africa, mostly on the hillsides in the shade under trees or shrubs
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: • Grassland and bushveld. • To be found in the shade of trees and bushes, usually in sandy, limestone or brackish soil
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Occuring at medium to low altitudes in various types of deciduous woodland, most frequently on rocky koppies and often associated with termite mounds.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Although it is found in the Karoo, it always grows near water, eg. Near dams, streams, vleis etc. chiefly on alluvial soils, but also in calciferous and brackish areas.
  • Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology (2002)
    DISTRIBUTION: Widely distributed. Growing on nearly all soil types and under most climatic conditions. More than 200 species are found in South Africa; only two are exotic. Mostly in damp conditions in high rainfall ...