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The effect of environment and cultivar on sunflower seed. I. Yield, hullability and physical seed characteristics
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.A. Nel --- , Republic of South Africa H.L. Loubser --- , Republic of South Africa P.S. Hammes --- Department of Plant Production and Soil Science, Republic of South AfricaThe quality of South African sunflower oil cake varies and often has an unacceptably low protein and high crude fibre content. Poor hullability of the seed is generally regarded as the primary cause thereof. This study examines the contribution of... -
Estimates of combining ability for agronomic traits in pepper (Capsicum annuum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L.F. Geleta --- Department of Plant Sciences, South Africa M.T. Labuschagne --- Department of Plant Sciences, South AfricaTwenty-one F1 hybrids were obtained from non-reciprocal crosses among seven genetically diverse pepper genotypes. The parents and F1 (S were evaluated for combining ability and the relative importance of additive and non-additive gene action. The plants were grown in a... -
Associations of yield and yield components among selected durum wheats (Triticum turgidum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.A. Shimelis --- , South AfricaAssociations of seed yield (SY) and important agronomic traits were studied among selected durum wheats (Triticum turgidum L.) to establish the relationship and pinpoint the best selection criteria. Controlled glasshouse studies were conducted over two years (2002–2003) using 14 diverse... -
Shoot and root biomass allocation and competitive hierarchies of four South African grass species on light, soil resources and cutting gradients
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: HM Ghebrehiwot RWS Fynn CD Morris KP KirkmanWe examined the competitive ability and response to light (shaded or unshaded), nutrients (50% Hoaglands solution or tap water), water (frequent or infrequent watering) and cutting (cut or uncut) of four grass species that differ in their traits, habitat preferences... -
Students' Personality Traits and Learning Approaches
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: David P. Ngidi --- Central University of Technology, South AfricaThis study examined students' usage of deep and surface approaches to learning as well as the relationship between students' personality attributes and their approaches to learning. Participants were 284 undergraduate education students registered with a South African regular university (females... -
Vegetative traits predict grass species' invasiveness and the invasibility of restored grassland
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: RWS Fynn --- School of Biological and Conservation Sciences, South Africa PD Wragg --- School of Biological and Conservation Sciences, South Africa CD Morris --- Agricultural Research Council, South Africa KP Kirkman --- School of Biological and Conservation Sciences, South Africa J Naiken --- School of Biological and Conservation Sciences, South AfricaUnderstanding how grass species' traits relate to their invasiveness and the invasibility of their monocultures can inform restoration of diverse grassland. We measured vegetative traits for 18 bunch grass species local to Pietermaritzburg (KwaZulu-Natal, South Africa) and measured their competitive... -
Examining significant predictors of students’ intention to drop out
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kelly Cortes --- North-West University, Karina Mostert --- North-West University, Crizelle Els --- North-West University,The objective of this study was to determine if core self-evaluation traits, burnout, disengagement, social support and career decision making difficulties are significant predictors of university students’ intention to drop out. A cross-sectional design and non-probability sample (N=782) was used... -
Predictors of student burnout and engagement among university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Danél Olwage --- WorkWell Research Unit for Economic and Management Sciences, South Africa Karina Mostert --- WorkWell Research Unit for Economic and Management Sciences, South AfricaThis study investigated influences of core self-evaluation traits, career decision-making difficulties and social support on student burnout and engagement. A cross-sectional design was used with a non-probability quota sample. In the multiple regression analyses, self-efficacy, inconsistent information due to internal... -
Patterns of chironomid body-size distribution in an effluent-impacted river in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: ON Odume --- Unilever Centre for Environmental Water Quality, South Africa CG Palmer --- Unilever Centre for Environmental Water Quality, South Africa FO Arimoro --- Department of Biological Sciences, Nigeria PK Mensah --- Unilever Centre for Environmental Water Quality, South AfricaBody size is an important determinant of assemblage structure in rivers and streams impacted by elevated concentrations of pollutants such as salts and metals. In the present study, because of the larger surface-area-tovolume ratio of small-bodied chironomid species compared with... -
Psychometric evaluation of the Basic Traits Inventory in the multilingual South African environment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sonja Grobler --- Industrial and Organisational Psychology Department, College of Economic and Management Sciences, South Africa Marié de Beer --- Industrial and Organisational Psychology Department, College of Economic and Management Sciences, South AfricaThe objective of this study was to evaluate the psychometric properties of the BTI for all the official language groups in South Africa. Item bias analysis was performed by means of Rasch analysis for a sample of 105 342 respondents... -
Organisational routines versus individual agency and personality
Item type: Journal Article • Journal: • Authors: Elsbeth A de Boer --- Stenden University of Applied Sciences, Leeuwarden, The Netherlands Tjeerd Zandberg --- Stenden University of Applied Sciences, Leeuwarden, The NetherlandsAlthough rules and routines are recognised as important factors in decision-making, many people frequently deviate from rules. In a previous exploratory case study, research focused on how a combination of human agency and personality traits affects rule-following behaviour. In this... -
Genetic diversity of bottle gourd (Lagenaria siceraria (Molina) Standl.) landraces of South Africa assessed by morphological traits and simple sequence repeat markers
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Jacob Mashilo --- Towoomba Research Station, Limpopo Department of Agriculture, South Africa Hussein Shimelis --- African Centre for Crop Improvement, South Africa Alfred Odindo --- Crop Science Discipline, South AfricaBottle gourd (Lagenaria siceraria (Molina) Standl.) is an important crop in rural communities in South Africa but it remains under-researched. The objective of this study was to assess the genetic diversity present amongst bottle gourd landraces grown by smallholder farmers... -
Community ecology of the metazoan parasites of snoek Thyrsites atun (Euphrasen, 1791) (Perciformes: Gempylidae) off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MAI Nunkoo --- Department of Biological Sciences, South Africa CC Reed --- Department of Biological Sciences, South Africa SE Kerwath --- Department of Biological Sciences, South AfricaThe parasite assemblage of snoek Thyrsites atun, a commercially important fish in the Benguela system, was examined over a one-year period. In all, 16 parasite taxa including eight new host records (Bolbosoma vasculosum, Caligus coryphaenae, Caligus dakari, Corynosoma australe, Hatschekia... -
The role of proline and root traits on selection for drought-stress tolerance in soybeans: a review
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Obed J Mwenye --- Department of Plant Sciences, South Africa Leon van Rensburg --- Department of Soil, Crop and Climate Sciences, South Africa Angeline van Biljon --- Department of Plant Sciences, South Africa Rouxléne van der Merwe --- Department of Plant Sciences, South AfricaDrought stress is a major limiting factor in soybean production. It reduces both the yield and its components. This is dependent on the level and occurrence of drought stress with respect to the growth stages of the plants. Breeding for... -
Key maize production constraints and farmers’ preferred traits in the mid-altitude maize agroecologies of northern Tanzania
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Lameck Nyaligwa --- African Centre for Crop Improvement, South Africa Shimelis Hussein --- African Centre for Crop Improvement, South Africa Mark Laing --- African Centre for Crop Improvement, South Africa Habteab Ghebrehiwot --- African Centre for Crop Improvement, South Africa Beyene A Amelework --- African Centre for Crop Improvement, South AfricaMaize productivity in Tanzania is very low, owing to various biotic and abiotic production constraints. Examining production constraints and farmers’ preference in maize-growing agroecologies will assist in designing improvement strategies based on farmers’ priorities. The objective of this study was... -
Organisational routines versus individual agency and personality
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Elsbeth A de Boer --- Stenden University of Applied Sciences, The Netherlands Tjeerd Zandberg --- Stenden University of Applied Sciences, The NetherlandsAlthough rules and routines are recognised as important factors in decision-making, many people frequently deviate from rules. In a previous exploratory case study, research focused on how a combination of human agency and personality traits affects rule-following behaviour. In this... -
Sexual dimorphism in morphological traits and scaling relationships in two populations of Gallotia stehlini (Fam. Lacertidae: Squamata) from Gran Canaria
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Cristina Rivero Suárez --- , , Spain Miguel Angel Rodríguez-Domínguez --- , Miguel Molina-Borja --- , , SpainLizards of the genus Gallotia, endemic to the Canary Islands, show morphological and colouration varieties that are related to within island variation in orographic and climatic characteristics. This study examines sexual size dimorphism (SSD) within and between population variation in... -
Variation in body size and morphometric traits of males and females of the wall gecko, Tarentola delalandii (Phyllodactylidae) from different environments on Tenerife
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: María de Fuentes-Fernández --- , Spain María Mercedes Suárez-Rancel --- , , Spain Miguel Molina-Borja --- , SpainWe analysed sexual dimorphism in body size and several other morphological traits of two populations of Tarentola delalandii on the island of Tenerife (San Cristóbal de La Laguna in the North, and Granadilla de Abona in the South), whose habitats... -
Variation in morphology and yield traits of Cucurbita landraces in northern KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nontuthuko R Ntuli --- Department of Botany, Faculty of Science and Agriculture, South Africa Rufaro M Madakadze --- African Crop Improvement Alliance for a Green Revolution in Africa, Kenya Alpheus M Zobolo --- Department of Botany, Faculty of Science and Agriculture, South AfricaPumpkins, represented by various Cucurbita species, are important traditional leafy vegetable crops that are widely eaten in KwaZulu-Natal, South Africa, and elsewhere. Cucurbita landraces are exceptionally variable in morphology and productivity. Although these vegetables are grown extensively in South Africa,... -
An evaluation of personality traits associated with job satisfaction among South African anaesthetists using the Big Five Inventory
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Kisten --- Department of Anaesthesiology, South Africa H Kluyts --- Department of Anaesthesiology, South AfricaBackground: Job satisfaction is a vital contributor to occupational well-being and may be instrumental in mitigating stress and the adverse effects thereof. This is particularly pertinent in anaesthesiology, which is an inherently stressful field. There are myriad factors, including personality... -
Location and crop-year effects on sugarcane genotype performance for the coastal short cycle breeding programmes in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sphamandla Sengwayo --- South African Sugarcane Research Institute, South Africa Marvellous Zhou --- South African Sugarcane Research Institute, South Africa Maryke Labuschagne --- Department of Plant Sciences, South AfricaGenotypes are tested in several environments to evaluate the influence of genotype × environment interactions prior to their release as cultivars. The objective of this study was to determine location and crop-year effects and their implications on coastal short cycle... -
Trends in broad-sense heritability and predicted selection gains for the coastal short cycle breeding sugarcane programmes in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sphamandla Sengwayo --- South African Sugarcane Research Institute, South Africa Marvellous Zhou --- South African Sugarcane Research Institute, South Africa Maryke Labuschagne --- Department of Plant Sciences, South AfricaCoastal short cycle breeding programmes develop early maturing sugarcane cultivars adapted to harvesting at 12 months under rainfed conditions. Genotypes progressed to the advanced cultivar stage from these programmes are merged and evaluated concurrently in multi-environment trials across the region... -
Phenotypic characterisation of potato (Solanum tuberosum) genotypes in Uganda
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Prossy Namugga --- African Centre for Crop Improvement, School of Agricultural, Earth and Environmental Sciences, South Africa Julia Sibiya --- African Centre for Crop Improvement, School of Agricultural, Earth and Environmental Sciences, South Africa Rob Melis --- African Centre for Crop Improvement, School of Agricultural, Earth and Environmental Sciences, South Africa Alex Barekye --- Kachwekano Zonal Agricultural Research and Development Institute, UgandaIdentification of genetic variation and interrelationships among germplasm collections is essential for parental selection and trait identification among parents for use in breeding programmes. The aim of this study was to characterise 48 potato genotypes to identify suitable parents for... -
Assessment of the likely sensitivity to climate change for the key marine species in the southern Benguela system
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Ortega-Cisneros --- Department of Ichthyology and Fisheries Science, South Africa S Yokwana --- Department of Ichthyology and Fisheries Science, South Africa W Sauer --- Department of Ichthyology and Fisheries Science, South Africa K Cochrane --- Department of Ichthyology and Fisheries Science, South Africa A Cockcroft --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa NC James --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South Africa L Singh --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa M Smale --- Department of Zoology and Coastal and Marine Research, South Africa A Wood --- Gleneagles Environmental Consulting, South Africa G Pecl --- Institute for Marine and Antarctic Studies, AustraliaClimate change is altering many environmental parameters of coastal waters and open oceans, leading to substantial present-day and projected changes in the distribution, abundance and phenology of marine species. Attempts to assess how each species might respond to climate change... -
Spatial distribution, seasonal abundance and exploitation status of shark species in Kenyan coastal waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BK Kiilu --- Kenya Fisheries Services, Kenya B Kaunda-Arara --- Department of Fisheries and Aquatic Sciences, Kenya RM Oddenyo --- Coral Reef Conservation Project, Kenya P Thoya --- Kenya Marine and Fisheries Research Institute, Kenya JM Njiru --- Kenya Marine and Fisheries Research Institute, KenyaEfforts to conserve and manage shark populations are often hampered by a lack of basic data, such as species-specific landings and distribution ranges. We bridge this gap in coastal East Africa by providing data on the distributions, catch rates, morphometrics,... -
Could drought constrain woody encroachers in savannas?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Madelon F Case --- , United States Benjamin J Wigley --- , India Corli Wigley-Coetsee --- , South Africa A Carla Staver --- , United StatesDroughts are expected to become more frequent and severe, due to climate change, with uncertain consequences for savanna vegetation. Drought-driven tree mortality has been observed in some savannas, but little is known about how tolerant savanna trees are to drought,... -
Patch-scale selection patterns of grazing herbivores in the central basalt plains of Kruger National Park
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Cyanne Young --- , South Africa Hervé Fritz --- , South Africa Erica AH Smithwick --- , United States of America Jan A Venter --- , South AfricaLarge herbivores form an essential component in the ecosystem, because of the impact that they have on their surrounding habitat. In this study, we aimed to evaluate some of the mechanisms behind how herbivores select forage at a patch scale... -
Summarising biometrics from the SAFRING database for southern African birds
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sanjo Rose --- , South Africa Robert L Thomson --- , South Africa Hans-Dieter Oschadleus --- , South Africa Alan TK Lee --- , South AfricaBiometrics form a key characteristic of a species. Here, we provide a summary of biometrics held by the South African Bird Ringing Scheme (SAFRING), which was initiated in 1948, including measures of mass and lengths of the tarsus, head, culmen,... -
Trends in savannah waterbirds: protected area effect and influence of global threats on differing guilds
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Tawanda Tarakini --- , Zimbabwe Peter Mundy --- , Zimbabwe Hervé Fritz --- , FranceUnderstanding species threats is underpinned by information on their population trends. We investigated the contribution of population drivers associated with 86 waterbird species’ trends at a local scale, Hwange National Park (HNP) and a national scale (Zimbabwe). We used logistic... -
Are South African linefishes recovering and what makes them prone to overexploitation?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Haupt --- , South Africa H Winker --- , South Africa D Parker --- , South Africa SE Kerwath --- , South AfricaManaging coastal fisheries is challenging as the status of many fish stocks caught in these fisheries remains unknown. In the South African linefishery, regular comprehensive assessments of the status of most linefish stocks are unattainable owing to a scarcity of... -
Morpho-agronomical characterisation of local and international sweetpotato germplasm from the South African collection
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sonia IM Naidoo --- , South Africa Sunette M Laurie --- , South Africa Hussein Shimelis --- , South Africa Mark D Laing --- , South AfricaConsiderable genetic diversity is present amongst the sweet potato (Ipomoea batatas (L.) Lam.) accessions that can be selected for breeding. The Agricultural Research Council of South Africa maintains 360 sweetpotato accessions that were bred locally, and introductions from various regions... -
Assessment of genetic diversity in sorghum germplasm using agro-morphological traits
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Thulo Sejake --- , South Africa Nemera Shargie --- , South Africa Riann Christian --- , South Africa Toi Tsilo --- , South AfricaSorghum is one of the most important cereal crops grown in arid/semi-arid regions of the world. Despite its importance, sorghum production and productivity are constrained by the use of low yielding cultivars, which are susceptible to biotic and abiotic stresses... -
Grass functional trait responses to experimental warming and fire in Afromontane grasslands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Mariska te Beest --- , The Netherlands Anne Kleinjan --- , The Netherlands Veerle Tuijnman --- , The Netherlands Nicky Findlay --- , The Netherlands Thembeka Mvelase --- , South Africa Elizabeth le Roux --- , United Kingdom Michelle Tedder --- , South Africa Paul Gordijn --- , South Africa Susan Janse van Rensburg --- , South AfricaClimate change is one of the main challenges facing humanity in the coming century. To understand the impact of climate change on biodiversity and ecosystem functioning, we urgently require a better understanding of plant responses to climate change. To address... -
Women living with HIV in Nigeria: Predictive influence of hardiness on perceived stress
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Aliyu Adamu --- , South Africa Gugu Mchunu --- , South Africa Joanne Rachel Naidoo --- , South AfricaBackground: Women living with HIV experience severe HIV-related stress in sub-Saharan Africa. But evidence shows that individuals with high levels of the psychological hardiness characteristic who accept stressful situations as meaningful experience may withstand psychological stress. However, the literature on... -
A psychobiographical study of Temujin’s (Genghis Khan) personality
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bao Xiaohong --- , China Dong Jia --- , China Zheng Jianhong --- , ChinaThis psychobiography study of Temujin employed the Personality Adjective Evaluation Scale, the Personality Adjective Classification Survey, and the Delphi method to characterise Temujin’s personality traits and probable influences. One hundred and thirty-two participants rated Temujin’s personality on 248 evaluation words,... -
Personality traits and occupational stress among special needs education teachers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Olufemi Timothy Adigun --- , South Africa Mandla Morris Hlongwane --- , South Africa Olugbenga Ojo Isaiah --- , NigeriaWe assessed the association between personality traits, sex, and occupational stress among special needs education teachers. A total of 472 special needs education teachers from Southwest Nigeria were participants (female = 39.2%; age range 23 to 58 years, special education... -
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... -
Forage yield and quality response of Napier grass (Cenchrus purpureus) to different dry season harvesting management under the subhumid agroecology of western Ethiopia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Abuye Tulu --- Oromia Agricultural Research Institute, Ethiopia Mekonnen Diribsa --- Oromia Agricultural Research Institute, Ethiopia Worku Temesgen --- Oromia Agricultural Research Institute, EthiopiaA 3 × 2 factorial study was conducted in 2015, 2016 and 2017, to assess the impact of dry season cutting management on fodder yield and quality of Napier grass. Three harvesting times (November, January and March) and two stubble-... -
The morphophysiological mechanisms of light-induced net primary production of Amazonian tree species
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Victor Alexandre Hardt Ferreira dos Santos --- , Brazil Ana Flávia Monteiro de Souza --- Federal University of Amazonas, Brazil Bruna de Oliveira dos Santos --- Federal University of Amazonas, Brazil Adriana Grandis --- University of São Paulo, Brazil Marciel José Ferreira --- Federal University of Amazonas, BrazilWe investigated the morphophysiological mechanisms indicative of resource uses behind net primary production in seedlings of three valuable forest species of socio-economic value in the Amazon:mahogany (Swietenia macrophylla), Brazil nut (Bertholletia excelsa) and Laurel (Cordia alliodora). The hypotheses tested were:... -
Parental attachment and subjective well-being in vocational college students: mediating roles for resilience and self-esteem
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shuwei Hao --- School of Health Humanities, Peking University, China Honghong Xu --- School of Health Humanities, Peking University, ChinaThis study examined the mediating role of resilience and self-esteem in the relationship between parental attachment and subjective well-being of young adults. Utilising a cross-sectional design, the study sampled 964 students from five higher vocational colleges in Beijing (female =... -
Quantitative genetics and breeding strategies in hybrid populations of Pinus patula × Pinus tecunumanii
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Luis Ibarra --- North Carolina State University, USA Gary Hodge --- North Carolina State University, USA Juan José Acosta --- North Carolina State University, USAForestry companies SAFCOL and Sappi conducted a study in South Africa to examine genetic variation and select improved material in full-sib hybrid families of Pinus patula × Pinus tecunumanii. The results from the study on clonal and seedling hybrid populations... -
Phenotypic variation and association of agronomic traits in tepary bean genotypes under drought-stress and non-stress conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Saul Eric Mwale --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Hussein Shimelis --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Wilson Nkhata --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South Africa Abel Sefasi --- Lilongwe University of Agriculture and Natural Resources, Malawi Isaac Fandika --- Kasinthula Agricultural Research Station, Malawi Jacob Mashilo --- School of Agricultural, Earth and Environmental Sciences, African Centre for Crop Improvement (ACCI), University of KwaZulu-Natal, South AfricaGenetic variation for economic traits associated with drought adaptation is a prerequisite for developing climate-smart crop varieties, including tepary bean (Phaseolus acutifolius A. Gray). This study aimed to assess the magnitude of genetic variation and the relationship of agronomic traits... -
Stability and performance of Bambara groundnut (Vigna subterranea (L.) Verdc.) genotypes in different South African environments
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sithembile Kunene --- University of KwaZulu-Natal, Pietermaritzburg campus, College of Agriculture, Engineering and Science, School of Agricultural Earth, and Environmental Sciences, South Africa Abe Shegro Gerrano --- Agricultural Research Council, Vegetable, Industrial and Medicinal Plants, South Africa Alfred Oduor Odindo --- University of KwaZulu-Natal, Pietermaritzburg campus, College of Agriculture, Engineering and Science, School of Agricultural Earth, and Environmental Sciences, South AfricaGlobal food security faces challenges arising from population growth, climate change, and the prevalence of monoculture agriculture. In addressing these concerns, Bambara groundnut (Vigna subterranean (L.) Verdc.) emerges as a promising crop due to its nutritional richness and resilience in... -
Characterisation of women through actions in a Tshivenḓa drama Ḽa ḓa hafha ḽi a kovhela by NE Sigogo: the contemporary democratic era
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mmbulaheni Lawrence Mudau --- University of South Africa (UNISA), South AfricaCharacters’ actions often reveal their true nature more accurately than their words or beliefs. Authors use character actions to depict personality traits, physical appearance and relationships in literary works, employing indirect characterisation. This article aims to explore how character actions... -
Increased risk of suicidality in treatment-seeking transgender adults and adolescents with autism traits and anxiety/depression
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Katrin Lehmann --- , Northern Ireland Michael Rosato --- Ulster University, Northern Ireland Gerard Leavey --- Ulster University, Northern IrelandBackground: Transgender adolescents and adults appear to be at increased risk of suicidality, but the risk factors are unclear. -
Psychosocial predictors and gender differences in the mental well-being of adolescents living with HIV in Ibadan, Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ezekiel O. Aruoture --- University of Ibadan, Nigeria Abel C. Obosi --- University of Ibadan, NigeriaBackground: The psychosocial vulnerability of adolescents living with HIV, particularly in sub-Saharan Africa, where structural and psychosocial stressors are prevalent, is an important public health concern. While several studies have investigated some psychosocial factors as they predict mental well-being among... -
The genetic control of early growth properties in Pinus patula × Pinus tecunumanii hybrid families
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JP de Villiers --- Sappi Shaw Research Centre, South Africa A Nel --- Sappi Shaw Research Centre, South Africa B du Toit --- University of Stellenbosch, South AfricaThe objective of this study was to determine the genetic control of growth properties in Pinus patula × Pinus tecunumanii hybrid families across seven sites planted in the summer rainfall region of southern Africa. Genetic material included in the analyses...