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Exogenously applied ethylene reduces the cold requirement for ripening of pears (Pyrus communis L.) cv. Forelle
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.G. du Toit --- Department of Horticultural Science, South Africa G. Jacobs --- Department of Horticultural Science, South Africa M. Huysamer --- Department of Horticultural Science, South Africa D.M. Holcroft --- Department of Horticultural Science, South Africa‘Forelle’ pears harvested at commercial maturity were treated with ethylene at 0, 10 or 100 μl 1−1 for 24 hours at 20°G before being stored at-0.5°Cfor 12 weeks. Periodic sampling of the fruit showed that both ethylene treatments significantly hastened... -
Kill your enemies and eat them with the help of your toxins: an algal strategy
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E GranéliPrymnesium spp. have been shown to kill both their grazers and other algal species, by producing allelopathic compounds. Killing nutrient-competing phytoplankton species enables Prymnesium to freely utilise limiting resources. Mixotrophy, i.e. the ability to ingest bacteria, other algae, and potential... -
Taxpayers’ attitudes towards tax amnesties and compliance in South Africa: an exploratory study
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: S. V. Junpath --- Faculty of Accounting & Informatics, South Africa M. S. E. Kharwa --- Faculty of Accounting & Informatics, South Africa L. J. Stainbank --- Faculty of Accounting & Informatics, South AfricaSouth Africa has seen tremendous changes since 1994, from the introduction of a new government to structural changes in tax administration. One of the challenges the government faced in the new democracy was the restructuring of the tax system. Multiple... -
Liminality in incorporation: regularisation of undocumented Zimbabweans in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Shingirai Nyakabawu --- , South AfricaSince 2000, large numbers of undocumented Zimbabweans have settled in South Africa in search of better living opportunities. In 2010, the South African government approved an immigration amnesty known as the Dispensation Zimbabwe Permit (DZP). This article argues that DZP... -
Low magnesium content in potato tubers associated with mass loss during storage
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R Gericke --- Stellenbosch University, South Africa NJJ Combrink --- Stellenbosch University, South Africa Marieta van der Rijst --- Agricultural Research Council, South AfricaPotatoes are an important crop in the Sandveld and Kouebokkeveld regions of South Africa, and one of the challenges in effective potato production is maintaining quality post-harvest. In order to identify tuber characteristics that may be used to predict keeping... -
Institutional scaffolding: MNEs responses to institutional weakness in contexts of violent conflict
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Emmanuel Ekpenyong --- Nyenrode Business University, The Netherlands Diana Santistevan --- EM Normandie, Laboratoire Métis, France Yasmina Khadir --- Nyenrode Business University, The Netherlands Rob Blomme --- Nyenrode Business University, The NetherlandsMultinational enterprises (MNEs) use a variety of strategic responses to navigate weak institutional contexts. Scholars of MNE responses general focus on relatively stable regions. This paper examines how MNEs navigate institutional weaknesses in contexts of violent conflict by examining the...