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Pests and predators on genetically altered cotton (Bt-cotton) and associated host plants in South Africa
(University of the Free State, 2009-09-23)
The efficacy of the Bt-genes (the cry1Ac and cry2Ab2 genes) were evaluated for bollworms (i.e. the American or “African” bollworm, Helicoverpa armigera, the red bollworm Diparopsis castanea and the spiny bollworm species, ...
The postcranial skeleton of the Early Triassic non-mammalian cynodont Galesaurus planiceps: implications for biology and lifestyle
(University of the Free State, 2009-12)
Newly discovered skeletons of the Early Triassic basal cynodont,
Galesaurus
planiceps, has enabled a detailed morphological redescription of the postcrania
of this genus. The examination of
Galesaurus
reveals two ...
Factors influencing the life cycle of ctenocephalides spp.
(University of the Free State, 2001-01)
English: The behaviour and survival of C. felis are highly dependent on biotic and abiotic factors
in the environment and therefore developmental and nutritional requirements demand that
eggs must be laid in a environment ...
A practical investigation into catfish (Clarias gariepinus) farming in the Vaalharts irrigation scheme
(University of the Free State, 2006-05)
English: A practical investigation into factors influencing the success of catfish (Clarias gariepinus) farming in the Vaalharts Irrigation Scheme was undertaken. These factors were production, nutrition, disease, disease ...
The biology of gnathiid isopod parasites and their role as vectors of fish blood parasites in South Africa
(University of the Free State, 2000-12)
English: Research on marine fish parasites has been largely neglected in South Africa. This is
especially true for the temporary fish parasites of the isopod family Gnathiidae and fish
blood parasites of the family ...
The influence of clothing, wrapping and physical trauma on carcass decomposition and arthropod succession in central South Africa
(University of the Free State, 2006-06)
English: Forensic entomology is the study of arthropods associated with bodies. Arthropod successional studies have been successfully used to estimate a postmortem interval. This research was to determine the influence of ...
Biology and control of the mango seed weevil in South Africa
(University of the Free State, 2008)
English: The mango seed weevil (MSW), Sternochetus mangiferae (Fabricius) (Coleoptera: Curculionidae), generally causes few problems on early-season cultivars, since the fruit are marketed and consumed before adult emergence ...
Voedingsgedrag van kameelperde (Giraffa camelopardalis) in die sentrale Vrystaat
(University of the Free State, 2005-11)
English: A study was conducted on the feeding behaviour of giraffe within the Bloemfontein vicinity, central Free State. Full-day field surveys were done on a monthly basis over a period of 12 months (March 2003 – February ...
Parasitoids and aphid resistant plants : prospects for Diuraphis noxia (Kurdjumov) control
(University of the Free State, 2007-11-03)
English: Host plant resistance and biological control by means of natural enemies are becoming more favourable as high potential alternatives for chemical control of insect pests. Tritrophic studies (plant–herbivore-natural ...
Forensic entomology: the influence of the burning of a body on insect succession and calculation of the postmortem interval
(University of the Free State, 2009)
Forensic entomology is the application of the study of insects and other arthropods which are associated with legal issues and certain suspected criminal events. Successional studies have been successfully applied in ...