Search

Search results for

We found 20 results for you
  1. <em>Bromus diandrus</em> Roth. control with MON 37532 in spring wheat (<em>Triticum aestivum</em> L.). 1. Time of application and dosage rate

    Bromus diandrus Roth. control with MON 37532 in spring wheat (Triticum aestivum L.). 1. Time of application and dosage rate

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa R. Crous --- Monsanto SA (Pty) Ltd, Republic of South Africa
    MON 37532 (sulfosulfuron) is a new herbicide for the selective control of grasses and annual broadleaf weeds in wheat (Triticum aestivum L.). In this glasshouse study done in 2-litre pots filled with coarse sand, the product was evaluated for the...
  2. <em>Bromus diandrus</em> Roth. control with MON 37532 in spring wheat (<em>Triticum aestivum</em> L.). 2. Effect of relative weed density and time of spraying

    Bromus diandrus Roth. control with MON 37532 in spring wheat (Triticum aestivum L.). 2. Effect of relative weed density and time of spraying

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa R. Crous --- , Republic of South Africa
    Bromus diandrus Roth, is one of the most troublesome weeds in spring wheat crops of the western Cape wheat producing area of the Republic of South Africa and Australia. The selective control of this weed in wheat crops may, in...
  3. THE USE OF BENZOCAINE HYDROCHLORIDE AS FISH TRANQUILLIZER AND ANAESTHETIC IN SALINE WATERS

    THE USE OF BENZOCAINE HYDROCHLORIDE AS FISH TRANQUILLIZER AND ANAESTHETIC IN SALINE WATERS

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: W.T. Barham --- Department of Zoology, South Africa K.M. Caiger --- Department of Zoology, South Africa J. G.J. Visser --- Department of Zoology, South Africa
    The anaesthetic effects of various concentrations of benzocaine hydrochloride were tested on Liza macrolepis and Sarotherodor mossambicus in sea water and diluted sea water, respectively. Induction time for anaesthesia was negatively correlated with increasing anaesthetic concentrations in L. macrolepis.
  4. NOMENCLATURE OF THE TILAPIAS OF SOUTHERN AFRICA

    NOMENCLATURE OF THE TILAPIAS OF SOUTHERN AFRICA

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: E. Trewavas --- , England
  5. The quasi-metric of complexity convergence

    The quasi-metric of complexity convergence

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Salvador Romaguera Michel Schellekens
    For any weightable quasi-metric space (X, d) having a maximum with respect to the associated order ≤ d , the notion of the quasi-metric of complexity convergence on the the function space (equivalently, the space of sequences) Xω , is...
  6. Effects of three agricultural by-products on cage culture growth performances of a landlocked population of <em>Sarotherodon melanotheron</em> (Teleostei: Cichlidae) in man-made Lake Ayame, Côte d'Ivoire

    Effects of three agricultural by-products on cage culture growth performances of a landlocked population of Sarotherodon melanotheron (Teleostei: Cichlidae) in man-made Lake Ayame, Côte d'Ivoire

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NI Ouattara V N'Douba GG Teugels JC Philippart
    In man-made Lake Ayame, a 180-day cage culture feeding trial was conducted to investigate the effects of three agricultural by-products — chicken droppings, wheat bran and corn bran — on the survival rates, mean daily weight gain and feed conversion...
  7. Reflexivity and the Grothendieck property for positive tensor products of Banach lattices-II

    Reflexivity and the Grothendieck property for positive tensor products of Banach lattices-II

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Qingying Bu* --- Department of Mathematics, USA Michelle Craddock --- Department of Mathematics, USA Donghai Ji --- Department of Mathematics, P.R. China
    Let ϕ be an Orlicz function such that ϕ and its complementary function ϕ* satisfy the Δ2-condition, let ℓϕ be an Orlicz sequence space associated to ϕ, and let X be a Banach lattice. Then ℓϕ ⊗F X (respectively, ℓϕ...
  8. Wind farms threaten southern Africa's cliff-nesting vultures

    Wind farms threaten southern Africa's cliff-nesting vultures

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ian Rushworth --- Scientific Services, South Africa Sonja Krüger --- Scientific Services, South Africa
    Wind farms have been shown to cause bird mortality in many studies. Proposals for the development of wind farms in Lesotho, which is core habitat for small and declining populations of the regionally Endangered Bearded Vulture Gypaetus barbatus meridionalis and...
  9. The effectiveness of analgesic electrotherapy in the control of pain associated with diabetic neuropathy

    The effectiveness of analgesic electrotherapy in the control of pain associated with diabetic neuropathy

    Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Jan Szopinski --- Department of Internal Medicine, Silesian Medical Academy, Poland Georg Lochner --- Department of Bioengineering, South Africa Hanna Szopinska --- Pain Clinic, Mayo Medical Centre of South Africa, Constantia Kloof, South Africa
    Objective: To investigate the usefulness of transcutaneous electrical nerve stimulation (TENS) and electroacupuncture in managing the pain associated with diabetic neuropathy.
  10. Case study: Systemic complications following absolute alcohol embolisation of scalp arteriovenous malformation

    Case study: Systemic complications following absolute alcohol embolisation of scalp arteriovenous malformation

    Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: S Agrawal --- Department of Anesthesia, Pain and Intensive Care, India YS Payal --- Department of Anesthesia, Pain and Intensive Care, India S Burathoki --- Department of Radiology, India V Asthana --- Department of Anesthesia, Pain and Intensive Care, India A Rizvi --- Department of Anesthesia, Pain and Intensive Care, India JP Sharma --- Department of Anesthesia, Pain and Intensive Care, India
    Alcohol ablation is an accepted technique for the management of arteriovenous malformations. It is preferred due to the unique property of absolute alcohol to cause complete ablation and prevention of revascularisation. However, this technique is associated with multiple complications which...
  11. Blood is thicker than water: coagulation challenges in the perioperative period

    Blood is thicker than water: coagulation challenges in the perioperative period

    Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Motshabi Chakane --- Department of Anaesthesia,
    This manuscript serves to highlight some novel approaches to perioperative coagulation abnormalities and to address unanswered questions.
  12. Vancomycin versus teicoplanin in the treatment of serious Gram-positive infections: what do the minimum inhibitory concentration data tell us?

    Vancomycin versus teicoplanin in the treatment of serious Gram-positive infections: what do the minimum inhibitory concentration data tell us?

    Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: W. Lowman --- Clinical Microbiology and Infectious Diseases, Wits School of Pathology, Faculty of Health Sciences,
    Glycopeptides are the mainstay of treatment against serious drug-resistant Gram-positive infections. The two principal agents are vancomycin and teicoplanin. Optimal dosing of both these antimicrobial agents, in terms of clinical outcomes and achievement of pharmacodynamic targets, has been shown to...
  13. Rothmund–Thomson syndrome: anaesthesia considerations

    Rothmund–Thomson syndrome: anaesthesia considerations

    Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Neha Kasat --- Department of Paediatric Anaesthesiology, India Harick Shah --- Department of Paediatric Anaesthesiology, India Rachana Chhabria --- Department of Paediatric Anaesthesiology, India Nandini Dave --- Department of Paediatric Anaesthesiology, India
    Rothmund–Thomson syndrome (RTS) or poikiloderma congenitale is a rare autosomal recessive disorder. Approximately 300 cases of this syndrome have been reported in the scientific literature worldwide. This study reports the case of an 11-year-old female child with RTS undergoing diagnostic...
  14. Sexual dimorphism and plumage characteristics of juvenile Cape Vultures <em>Gyps coprotheres</em><xref ref-type="fn" rid="FN0001"/>

    Sexual dimorphism and plumage characteristics of juvenile Cape Vultures Gyps coprotheres

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Nobuhle T Mabhikwa --- Department of Forest Resources and Wildlife Management, Zimbabwe Margaret T Hirschauer --- VulPro NPO, South Africa Kerri Wolter --- VulPro NPO, South Africa
    The plumage of young Cape Vultures Gyps coprotheres is streaked to varying degrees on the breast, ruff and upper wing coverts. Observations of breast plumage (individual feather streak coverage and overall streaking intensity) were made on Cape Vultures aged one...
  15. Intraspecific morphological divergence in two Cichlid species from Benin

    Intraspecific morphological divergence in two Cichlid species from Benin

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Luke M Bower --- Program in Ecology and Evolutionary Biology and Department of Wildlife and Fisheries Sciences, USA Laith A Jawad --- Freelance Fish Biodiversity Consultant, New Zealand Pierre M Gnohossou --- Département d’Aménagement et Gestion de Ressources Naturelles, Republic of Benin Ayoko Géraldine Tossou --- Département d’Aménagement et Gestion de Ressources Naturelles, Republic of Benin
    Selection on morphological traits can vary across the range of species, inducing a mosaic of phenotypes across populations. Intraspecific morphological divergence had been demonstrated for many fish groups inhabiting environments with varying abiotic or biotic selective pressures. Such intraspecific phenotypic...
  16. Using radar technology to assess visual monitoring accuracy of Cape Vulture movements

    Using radar technology to assess visual monitoring accuracy of Cape Vulture movements

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Frowin K Becker --- Department of Conservation Ecology and Entomology, South Africa Rhonda L Millikin --- EchoTrack Inc., Canada Alison J Leslie --- Department of Conservation Ecology and Entomology, South Africa
    South Africa’s expanding wind energy industry is providing much needed alleviation from an ongoing energy crisis. Its development, however, does bear environmental repercussions, which most notably include its impact on birds. Collision risks, habitat loss, and barrier effects are amongst...
  17. Space-dependent variable-order time-fractional wave equation: Existence and uniqueness of its weak solution

    Space-dependent variable-order time-fractional wave equation: Existence and uniqueness of its weak solution

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: K. Van Bockstal --- Ghent University, Belgium A.S. Hendy --- Ural Federal University, Russia M.A. Zaky --- National Research Centre, Egypt
    The investigation of an initial-boundary value problem for a fractional wave equation with space-dependent variable-order wherein the coefficients have a dependency on the spatial and time variables is the concern of this work. This type of variable-order fractional differential operator...
  18. Filtered bicolimit presentations of locally presentable linear categories, Grothendieck categories and their tensor products

    Filtered bicolimit presentations of locally presentable linear categories, Grothendieck categories and their tensor products

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Julia Ramos González --- Université Catholique de Louvain, Institut de Recherche en Mathématique et Physique, Belgium
    We investigate two different ways of recovering a Grothendieck category as a filtered bicolimit of small categories and the compatibility of both with the tensor product of Grothendieck categories. Firstly, we show that any locally presentable linear category (and in...
  19. Model and measure: comparing soil organic carbon stocks quantification approaches at field scale in South Africa

    Model and measure: comparing soil organic carbon stocks quantification approaches at field scale in South Africa

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Willie Herman Cloete --- North-West University, South Africa Gerhard du Preez --- North-West University, South Africa George Munnik van Zijl --- North-West University, South Africa
    There is an ongoing debate about the most appropriate approach for quantifying changes in soil organic carbon stocks (SOCS). The aim of the study was to evaluate the performance of the Rothamsted carbon (RothC) modelling approach against the re-measured SOCS...
  20. Existence and uniqueness of solution to a class of nonlinear variable fractional-order wave equations

    Existence and uniqueness of solution to a class of nonlinear variable fractional-order wave equations

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Shuhua Wang --- Northwest University, P.R. China Biao Zeng --- Guangxi Minzu University, P.R. China
    In this work, we deal with the results on existence and uniqueness for a class of fractional wave equations involving nonlinear variable fractional-order derivative by the Rothe-Galerkin’s method. Firstly, we give the weak form of the wave equation without impulsive...