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Impact of Wood Quality Assessments on Future Fibre Resources in the Pulp and Paper-making Industry
Item type: Journal Article • Journal: South African Forestry Journal • Authors: J.A. Wright --- Sappi Forests, Research Division, RSARecent evidence from research in Europe has indicated that individual trees can be sampled for their pulping properties by the removal of small quantities (5–50 g) of wood at about breast height (1,3 m above ground). Work began at Sappi's... -
Production of plantlets from tissue cultures of Lotononis, a southern African veld legume1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: A.M. Thro --- Agronomy Department, Louisiana Agricultural Experimental Station, USA A.T. Wier --- Agronomy Department, Louisiana Agricultural Experimental Station, USA K.C. Torres --- , USA H.E. Flores --- Plant Pathology and Crop Physiology Department, College of Agriculture, USA M. Pillay --- Biology Department, USAA simple procedure is described for the production of large numbers of rooted plantlets from callus cultures of Lotononis bainesii Baker. Highest frequency of shoots was obtained from somatic embryos formed in initiation cultures on Murashige & Skoog medium plus... -
Application of a model for the identification of maize inbred lines for use in single cross improvement
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T.K. Stanger --- Summer Grain Sub-Centre, Republic of South Africa H.O. Gevers --- Summer Grain Sub-Centre, Republic of South Africa B. Cilliers --- Department of Genetics, Republic of South AfricaA model for the identification of maize inbred donors which genetically will be best for the improvement of quantitative traits in single cross parents was evaluated using local lines of maize. For this material, the assumption by the model that... -
Genetic variation between ecotypic populations of Chloris roxburghiana grass detected through RAPD analysis
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: W Ngoyawu Mnene J Hanson WN Ekaya JI Kinyamario P Mweki G Lall JW Stuth RH JamnadassChloris roxburghiana is an important rangeland grass in Kenya. In some areas it has disappeared due to land degradation resulting from overgrazing and drought. Efforts to re-introduce the grass through re-seeding using seeds from research stations have had little success... -
Small‐scale reseeding trials in arid rangeland: Effects of rainfall, clearing and grazing on seedling survival
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S.J. Milton --- FitzPatrick Institute, Republic of South AfricaSeeds of four indigenous plant species were sown in 1990 in small‐scale field trials in an arid, non‐seasonal rainfall region of the southern Karoo, South Africa. Seeds of a winter annual Tetragonia echinata (Aizoaceae) showed innate dormancy but those of... -
Silviculture and Genetics of Pinus kesiya for Planting Degraded Pasture Land
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: J.A. Wright --- , USA N. Isaza --- , USAThe conifer species, Pinus kesiya Royle ex Gordon, is an important part of the ecology within the indigenous range of South-east Asia as well as in sustainably managed plantations in a number of countries. Planting with the species in Colombia... -
Program for the deterministic modelling of genetic gains of tree breeding and seed and clone production strategies
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: S.D. Vernyn --- , South Africa C.L. Snedden --- , South Africa R.C. Parfitt --- , South AfricaA deterministic modelling algorithm was developed for the prediction of genetic gains of six breeding and 11 (seed and clone) production strategies. This algorithm can run iteratively over ranges of parameters which affect the genetic gains. These parameters are the... -
Patient and provider perspectives on improving the linkage of HIV-positive pregnant women to long-term HIV care and treatment in eastern Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Haneefa Saleem --- Department of International Health, USA Robert Kyeyagalire --- Nuffield Department of Population Health, United Kingdom Sarah Smith Lunsford --- EnCompass, LLC, USADespite strong evidence that antiretroviral therapy (ART) reduces the risk of mother-to-child transmission of HIV and improves the health of HIV-positive mothers, many HIV-positive pregnant women do not enrol into long-term HIV care and treatment. This study examined barriers and... -
Deployment strategies to maximise value recovery from tree improvement: The experience of two South African companies
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: ArleneD. Bayley --- , South Africa Flic Blakeway --- Technical Department, Mondi Forests, South AfricaCurrent strategies for deployment of improved material from the tree breeding programmes of two South Mrican forestry companies are reviewed for all commercial species, including both hardwoods and softwoods. How high site variability and propagation constraints restrict this are examined... -
Growth potential of Eucalyptus cypellocarpa as an alternative species for the mid-altitude summer rainfall region of South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Christopher Komakech --- Forestry and Forestry Products, South Africa Tammy-L Swain --- , South Africa Annabel Fossey --- Biotechnology, South AfricaEucalyptus grandis is predominantly cultivated in the humid, warmer temperate, subtropical regions in South Africa for pulp and paper production because of its rapid growth and desirable wood properties. With forestry expanding into mid-altitude drier and warmer, or drier and... -
Performance of Stylosanthes hamata in the rangelands of northern Ghana
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: SY Annor JR CofieStylosanthes hamata (stylo) was introduced into communities in the Northern Savanna Zone of Ghana in 1994 for rangeland improvement through oversowing. The objective of this study was to assess the performance of S. hamata in northern Ghana. The study was... -
Growth potential of Eucalyptus globulus subsp. bicostata provenances for the mid-altitude summer rainfall regions of South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: C Komakech T Swain A FosseyEucalyptus grandis is cultivated extensively in the humid, warmer temperate and subtropical regions in South Africa. With forestry expanding into mid-altitude drier and warmer, or drier and colder, sites the search to identify reasonably well-performing species/provenances for such 'low productivity'... -
Realising the benefit of research in eucalypt plantation management
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: AR MorrisThe development of a plantation eucalypt wood-based forest products industry in South Africa is outlined. Forest research that has contributed to increasing wood production from the ultimately finite land resource available for industrial plantations is reviewed. The application of this... -
Improving the Use of Lipid-lowering Drugs at Brits Hospital
Item type: Journal Article • Journal: South African Family Practice • Authors: C Van Deventer --- Brits Hospital, C Mokhlele --- Brits Hospital, J Hugo --- Family Medicine, Medunsa,Background When it was found by the Brits Hospital Pharmacy and Therapeutics Committee (PTC) in 2000 that simvastatin was responsible for extremely high costs in a district hospital, it was decided to undertake a quality improvement study to assess and,... -
Caring, learning, improving quality and doing research: Different faces of the same process
Item type: Journal Article • Journal: South African Family Practice • Authors: GJO Marincowitz --- Department of Family Medicine and Primary Care, Limpopo Province Unit, GS Fehrsen --- Department of Family Medicine and Primary Care,The aim of this article is to describe the similarities between the consultation process, the quality improvement (QI) process, action-and problem-based learning and participatory action research (PAR). We feel this understanding adds value to our work in enabling personal development... -
Closing the prevention of mother-to-child transmission gap in Nigeria: an evaluation of service improvement intervention in Nigeria
Item type: Journal Article • Journal: South African Family Practice • Authors: ON Chabikuli --- Family Health International 360, U Gwarzo --- Family Health International 360, Nigeria A Olufunso --- Family Health International 360, Nigeria D Reidpath --- Jeffrey Cheah School of Medicine and Health Services, Monash University, Malaysia P Allotey --- Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Malaysia M Ibrahim --- Family Health International 360, Nigeria C Hamelmann --- United Nations Development Program,Objectives: The objective was to assess improvement, or lack thereof, in the uptake of prevention of mother-to-child transmission (MTCT) services at selected sites supported sites by the Global HIV/AIDS Initiative Nigeria (GHAIN). -
Review of final-year medical students' rural attachment at district hospitals in KwaZulu-Natal: student perspectives
Item type: Journal Article • Journal: South African Family Practice • Authors: P Diab --- Department of Rural Health, PD McNeill --- Centre for Rural Health, AJ Ross --- Department of Family Medicine,Objectives: This study aimed to investigate the views of students involved in rural community-based medical attachments during their final year at medical school. The programme has been in existence for some time, but no formal evaluation thereof has yet taken... -
Applied disease screening and selection program for resistance to vascular wilt in Hawaiian Acacia koa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Nicklos S Dudley --- Hawai'i Agriculture Research Center, USA Tyler C Jones --- Hawai'i Agriculture Research Center, USA Robert L James --- Plant Disease Consulting Northwest, USA Richard A Sniezko --- United States Department of Agriculture Forest Service, USA Phil Cannon --- United States Department of Agriculture, USA Dulal Borthakur --- University of Hawai'i at Manoa, USAAcacia koa is a valuable tree species economically, ecologically and culturally in Hawai'i. A vascular wilt disease of A. koa resulting from infection by the fungal pathogen Fusarium oxysporum f. sp. koae (FOXY) causes high rates of mortality in field... -
Assessment of the effects of climate change on the performance of pavement subgrade
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: M.B. Mndawe --- Department of Civil Engineering, South Africa J.M. Ndambuki --- Department of Civil Engineering, South Africa W.K. Kupolati --- Department of Civil Engineering, South Africa A.A. Badejo --- Department of Civil Engineering, South Africa R. Dunbar --- Royal Haskoning DHV, South AfricaThis research investigated the effects of future climate change on pavement life in South Africa by simulating prolonged moisture presence in the pavement subgrade. The study was conducted on roads P435 and P443 within uMkhanyakude District Municipality. Climatic data were... -
The moving finger: Asian international hotel school students developing English language writing skills
Item type: Journal Article • Journal: • Authors: Peter Graham --- Stenden Rangsit University, Rattanakunakorn Building, 52/347 Muang Ake, Phaholyothin Road, Lak-Hok, Pathumthani, Bangkok, ThailandThe number of international English as a Second Language hospitality students completing their degree programs in Australasia has risen dramatically in the past decade. One factor that may be motivating students to undertake tertiary studies in Australasia is the expectation... -
Preventing venous thromboembolism at a district hospital: a quality improvement study
Item type: Journal Article • Journal: South African Family Practice • Authors: Bernhard G Beutel --- , South Africa Louis S Jenkins --- Division of Family Medicine and Primary Health Care, Faculty of Health Sciences, South AfricaBackground: Pulmonary embolism (PE) is the most common preventable cause of hospital deaths, and almost all hospitalised patients have at least one risk factor for venous thromboembolism (VTE). Despite the availability of highly effective thromboprophylaxis in preventing VTE, numerous studies... -
Integration of non-communicable chronic diseases (NCDs) and HIV/AIDS and mental health care through the involvement of chronically ill patients using empowerment evaluation
Item type: Journal Article • Journal: South African Family Practice • Authors: Claire van Deventer --- Department of Family Medicine and Rural Health, South AfricaBackground: The emphasis in health care in South Africa is gradually shifting to acknowledge the different roles patients have regarding their own care. There is, however, very little evidence of this practice and of related practical outcomes. -
Identifying high-yielding dryland wheat cultivars for the summer rainfall area of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ernest Dube --- Agricultural Research Council–Small Grain Institute, South Africa Rorisang Mare-Patose --- Agricultural Research Council–Small Grain Institute, South Africa Willem Kilian --- Agricultural Research Council–Small Grain Institute, South Africa Annelie Barnard --- Agricultural Research Council–Small Grain Institute, South Africa Toi J Tsilo --- Agricultural Research Council–Small Grain Institute, South AfricaDrought is a major challenge to dryland wheat (Triticum aestivum L.) production in the summer rainfall area (SRA) of South Africa. Dryland wheat farming in the SRA is unique in that the crop is dry-planted on high-water-table soils in winter,... -
Strengths use and deficit improvement: The relationship with engagement and fit with study course amongst first-year students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gabrielle van Niekerk --- WorkWell Research Unit for Economic and Management Sciences, South Africa Karina Mostert --- WorkWell Research Unit for Economic and Management Sciences, South Africa Leon T. de Beer --- WorkWell Research Unit for Economic and Management Sciences, South AfricaThis study sought to test a model of students’ proactive behaviour to use their strengths and improve their deficits and how this relates with their self-reported perceptions of their fit with a study course and engagement. Participants were 692 first-year... -
Optimal management of children on antiretroviral therapy (ART) in primary care: a quality improvement project
Item type: Journal Article • Journal: South African Family Practice • Authors: Claire van Deventer --- Department of Family Medicine and Rural Health, South Africa Lauren Golden --- WRHI, South Africa Erica du Plessis --- District Clinical Specialist Team, Dr Kenneth Kaunda District, South Africa Carien Lion-Cachet --- Department of Family Medicine and Rural Health, South AfricaIntroduction: With the large volumes of human immunodeficiency virus (HIV) positive patients in South Africa, one clinical management strategy has been to task shift. This means that previously hospi-centric HIV services have devolved to primary health care (PHC) clinics. The... -
Improving voluntary medical male circumcision standards adherence and post-procedure follow-up in Uganda: A mixed methods study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sarah Smith Lunsford --- EnCompass LLC, USA John Byabagambi --- University Research Co., LLC, Uganda Zachariah Falconer-Stout --- EnCompass LLC, USA Esther Karamagi --- University Research Co., LLC, UgandaVoluntary medical male circumcision (VMMC) has been demonstrated to reduce the transmission of HIV by 60%. Scaling up VMMC services requires that they be of high quality, socially accepted, and effective. We evaluated an intervention aimed at improving VMMC standards... -
Performance evaluation of contractor development programmes in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ambrose D. Dapaah --- Faculty of Engineering and Built Environment, Department of the Quantity Surveying and Construction Management, South Africa Wellington D. Thwala --- Faculty of Engineering and Built Environment, Department of the Quantity Surveying and Construction Management, South Africa Innocent Musonda --- Faculty of Engineering and Built Environment, Department of the Quantity Surveying and Construction Management, South AfricaThe performance of the construction industry in South Africa is supported by its industry players, such as the construction contractors, and cannot be underestimated. The designed Contractor Development Programmes (CDPs) in South Africa are aimed at creating an enabling environment... -
Genetic progress of spring wheat grain yield in various production regions of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ernest Dube --- Agricultural Research Council–Small Grain Institute, South Africa Willem Kilian --- Agricultural Research Council–Small Grain Institute, South Africa Learnmore Mwadzingeni --- Discipline of Plant Breeding, School of Agricultural, Earth and Environmental Sciences, South Africa Nondumiso Z Sosibo --- Agricultural Research Council–Small Grain Institute, South Africa Annelie Barnard --- Agricultural Research Council–Small Grain Institute, South Africa Toi J Tsilo --- Agricultural Research Council–Small Grain Institute, South AfricaSuccessful wheat production depends on several informed production decisions, including availing stable and high yielding cultivars. Periodic evaluation of the genetic gains in grain yield is a means of determining the effectiveness of current breeding efforts in increasing wheat productivity... -
Efforts to improve Zimbabwe communal grazing areas: a review
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Bruce Tavirimirwa --- Department of Research and Specialist Services, Zimbabwe Emmanuel Manzungu --- Department of Soil Science and Engineering, Zimbabwe Soul Washaya --- Department of Animal Science, Zimbabwe Sharai Ncube --- Department of Animal Science, Zimbabwe Shadreck Ncube --- Department of Research and Specialist Services, Zimbabwe Clarice Mudzengi --- Department of Research and Specialist Services, Zimbabwe Richard Mwembe --- Department of Research and Specialist Services, ZimbabweThe management of rangelands over the past decade in Zimbabwe has been on the decline. This has resulted in degraded and depleted communal rangelands. A number of recommendations by various government departments, researchers and non-governmental organisations have been implemented. These... -
Integrating services for impact and sustainability: a proof-of-concept project in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: J Lyn Haskins --- Centre for Rural Health, South Africa Sifiso A Phakathi --- Centre for Rural Health, South Africa Merridy Grant --- Centre for Rural Health, South Africa Christiane M Horwood --- Centre for Rural Health, South AfricaBackground: Integration of services in primary health care settings can provide mother/baby pairs with all required services at one visit. This study aimed to evaluate a proof of concept, quality improvement (QI) intervention to strengthen well-child service provision and integration... -
The influence of species, tree improvement and cultural practices on rotation-end fibre production of Eucalyptus pulpwood plantations in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jacob Crous --- Sappi Forests, South Africa Giovanni Sale --- Sappi Forests, South Africa Thimagren Naidoo --- Sappi Forests, South AfricaTo remain competitive on a global scale it is necessary for forestry companies to increase the yield per hectare and work towards reducing the unit cost of timber. A three-trial series with a 24 factorial design and two replications at... -
Combining ability of bread wheat genotypes for yield and yield-related traits under drought-stressed and non-stressed conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Yared Semahegn --- , South Africa Hussein Shimelis --- , South Africa Mark Laing --- , South Africa Isack Mathew --- , South AfricaDrought is a major cause of reduced yields in dryland wheat production. This study aimed to determine the combining ability effects of selected bread wheat genotypes (Triticum aestivum L.) for yield and yield-related traits. Eight parental lines were selected and... -
Adoption of dual-purpose sweetpotato varieties under partial population exposure in Rwanda: Insights from an African plant breeding programme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gideon Danso-Abbeam --- , South Africa Lloyd J.S. Baiyegunhi --- , South Africa Mark D. Laing --- , South Africa Hussein Shimelis --- , South AfricaAs part of the Green Revolution, plant breeding programmes such as the African Centre for Crop Improvement have trained scientists to breed crop varieties in Africa to address the challenges of low productivity. However, exposure to and adoption of these... -
Agro-morphological diversity of Bambara groundnut lines evaluated under field conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nokuthula Hlanga --- , South Africa Albert Modi --- , South Africa Isack Mathew --- , South AfricaAssessing agro-morphological variation is important for crop improvement strategies in cultivated species. Bambara groundnut (Vigna subterranea (L.) Verdc.) is a neglected crop that requires extensive agro-morphological characterisation to design suitable agronomic and crop improvement strategies. Nineteen Bambara groundnut lines were... -
Effects of award incentives and competition on entrepreneurship development of women farmers in North West province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Enioluwa Jonathan Ijatuyi --- , South Africa Oladimeji Idowu Oladele --- , Nigeria Abiodun Olusola Omotayo --- , South AfricaFemale agricultural workers play an important role in feeding the world; hence, there is a need to encourage females in agricultural enterprises of developing countries. This study specifically identified the socioeconomic characteristics of the participants, their degree of participation, the... -
Sludge as an initial nutrient driver for yield improvement in the poor soils of northern Namibia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ehsan Ebrahimi --- University of Rostock, Germany Jana Zinkernagel --- Hochschule Geisenheim University, GermanyThe northern part of Namibia suffers from drought and low-quality soil. The soil needs a boost of nutrients, and the water must be used in a frugal manner. Thereby, the objective of this research was to investigate the effect of... -
Developing an improved reverse engineering adoption model towards the improvement of performance in metal engineering industries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yichalewal Goshime --- Addis Ababa Institute of Technology, Addis Ababa University, Ethiopia Daniel Kitaw --- Addis Ababa Institute of Technology, Addis Ababa University, Ethiopia Frank Ebinger --- Erlangen University, George Simon Ohm Technical Institute, Nuremberg Campus of Technology, Germany Kassu Jilcha --- Addis Ababa Institute of Technology, Addis Ababa University, EthiopiaPurpose: This research aims to develop an improved model that promotes reverse engineering /RE/ practice in metal engineering industries (MEIs). RE is one cost-effective technology transfer /TT/ and innovation method that improves organizational performance. However, only a few scholars have... -
Strengths use and deficit improvement of first-year university students: A structural model for social support and student outcomes
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karina Mostert --- North-West University, South Africa Charlize Du Toit --- North-West University, South AfricaThis study aimed to examine first-year students’ proactive behaviour towards strengths use (PBSU) and deficit improvement (PBDI), their relationship with students’ social support and essential student outcomes (student burnout, student engagement, life satisfaction, satisfaction with studies, study–course fit and intention...