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Influence of harvest maturity on quality of cold stored Vitis vinifera L. cv. ‘Thompson Seedless’ and ‘Red Globe’ table grapes, with special reference to berry split
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.A. Burger --- , South Africa M.A. Taylor --- , South Africa G. Jacobs --- Department of Horticultural Science, South Africa M. Huysamer --- Department of Horticultural Science, South AfricaEffect of harvest maturity on quality of Thompson Seedless' and ‘Red Globe’ table grapes after cold storage at −0.5°C and a subsequent shelf life was investigated. Berry split decreased significantly for grapes harvested at more advanced maturities. By harvesting ‘Thompson... -
The Criminal Liability of Child Soldiers: In Search of a Standard
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Pieter Brits --- Department of Mercantile and Public Law, Faculty of Military Science, Michelle Nel --- Department of Mercantile and Public Law, Faculty of Military Science,Despite the recent focus on the problem of the recruitment and use of child soldiers, there is still no clarity on the criminal liability of child soldiers who participate in conflict. In this article, we analyze the criminal liability of... -
A new line search technique
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: T.A. Adewale F.M. AderibigbeIn this paper the problem of line search, an important step in most multidimensional optimization algorithms, is considered. If conjugate gradient descent is to be used in producing a descent sequence for a given functional f on a Hilbert space... -
Certain results on gradient almost η-Ricci-Bourguignon soliton
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Santu Dey --- Bidhan Chandra College, IndiaThe present research article deals with the study of almost η-Ricci-Bourguignon soliton and gradient almost η-Ricci-Bourguignon soliton on almost Kenmotsu manifolds. It is shown that if the metric of a Kenmotsu manifold M 2 n +1 admits a... -
Life-history strategy and intertidal distribution in sympatric species of pulmonate limpets of the genus Siphonaria
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CD McQuaid --- Rhodes University, South Africa RJ Chambers --- Rhodes University, South AfricaThree species of the intertidal pulmonate limpet genus Siphonaria are sympatric on the south coast of South Africa and all lay gelatinous benthic egg masses. Siphonaria capensis and S. concinna hatch as planktonic larvae, whereas S. serrata has direct-developing larvae... -
Characterizations of *-Ricci-Bourguignon solitons and contact Ricci-Bourguignon almost solitons
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sourav Nayak --- Indian Institute of Technology – Hyderabad, India Dhriti Sundar Patra --- Indian Institute of Technology – Hyderabad, India Hemangi Madhusudan Shah --- Harish-Chandra Research Institute, A CI of Homi Bhabha National Institute, IndiaIn this paper, we first study *-Ricci-Bourguignon solitons (in short, *-RB solitons) and find their geometric characterizations on Sasakian manifolds. We show that if a Sasakian metric g admits a non-trivial *-RB soliton, then it is -homothetically fixed null η-Einstein... -
Pelargonic acid for the management of firebreak tracer-lines: results from four trials implemented in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Keith M Little --- Nelson Mandela University, South AfricaMost South African planted forests occur in high wildfire risk regions, with firebreaks used to minimise the risk of run-away fires. Desiccant herbicides together with burning are used for firebreak preparation in a stepwise manner. In late summer, 1–2 m...