Search Results

190 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 14

    Field tests of loss-of-function tobacco lines of eIF(iso)4E for resistance to tobacco bushy top disease and agronomic traits

    KOGA K.(1); SHINJO A.(1); MAINJENI C.E.D.(2); MSANGOSOKO K.R.(2); UDAGAWA H.(1); TAKAKURA Y.(1)
    (1) Japan Tobacco Inc., Leaf Tobacco Research Center, Oyama, Tochigi, Japan; (2) Agricultural Research and Extension Trust, Department of Research and Technical Services, Lilongwe, Malawi
    Tobacco bushy top disease (TBTD) is one of the serious diseases affecting tobacco (Nicotiana tabacum L.) production in African countries such as Malawi, Zambia, Tanzania and Ethiopia. This disease is caused by a mixed infection of tobacco bushy top virus ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 13

    Agronomic and qualitative performance of some experimental Burley hybrids in Malawi

    CHAMANGO A.M.Z.; SIBANDE L.A.G.O.; MATEWELE M.
    Agricultural Research and Extension Trust (ARET), Lilongwe, Malawi
    Malawi mainly depends on tobacco for forex generation, with Burley as a major contributor. However, the country has a limited choice of high yielding and disease resistant varieties against a plethora of disease constraints, particularly root-knot ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 14

    Forestry sustainability in the tobacco sector in Malawi: a community concern requiring community approaches

    OFESI H.K.T.; LIVIMBO S.S.
    Agricultural Research and Extension Trust (ARET), Lilongwe, Malawi
    Tobacco farmers depend heavily on tree resources for poles and firewood used in curing. Malawi tobacco farmers predominantly grow Burley tobacco which requires the least amount of tree resources per unit volume in comparison to dark-fired and flue-cured ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 18

    Human precision-cut lung slices as a screening tool: increased throughput, cryopreservation, and detection of DNA adducts for next generation tobacco product evaluation

    BEHRSING H.P.(1); DESAI P.(1); AMIN K.(2); BALBO S.(3); HECHT S.S.(2); SHEEHAN D.(1); CASTRO N.(1); ALLEN D.(4)
    (1) Institute for In Vitro Sciences, Inc., Gaithersburg, MD, U.S.A.; (2) University of Minnesota, Division of Environmental Health Sciences, Minneapolis, MN, U.S.A.; (3) University of Minnesota, Department of Laboratory Medicine and Pathology, Minneapolis, MN, U.S.A.; (4) Integrated Laboratory Systems, Inc., Morrisville, NC, U.S.A.
    Human-relevant, in vitro/ex vivo assays are considered an ethical and economically viable manner by which to screen the many chemicals requiring hazard assessment, such as next generation tobacco product (NGTP) ingredients. Human precision-cut lung slices ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 36

    Use of ex vivo precision-cut lung slices as a screening tool for potential respiratory toxicity of e-liquids

    BEHRSING H.P.(1); SHEEHAN D.(1); AMIN K.(2); LEE K.M.(3); OLDHAM M.(4); RAABE H.(1)
    (1) Institute for In Vitro Sciences, Inc., Gaithersburg, MD, U.S.A.; (2) University of Minnesota, Minneapolis, MN, U.S.A.; (3) Altria Client Services, Richmond, VA, U.S.A.; (4) former Altria Client Services employee
    The Family Smoking Prevention and Tobacco Control Act gave the FDA regulatory authority over next generation tobacco products (NGTP) such as e-vapor products. E-vapor product liquids contain a variety of ingredient combinations that should be assessed for ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 47

    Identification, discussion and recommendations for the optimal generation and use of in vitro genotoxicity assay data for tobacco and nicotine products

    DESAI P.(1); CURREN R.(1); MOORE M.M.(2)
    (1) Institute for In Vitro Sciences, Gaithersburg, MD, U.S.A.; (2) Ramboll Environ Inc., Little Rock, AR, U.S.A.
    The Institute for In Vitro Sciences is sponsoring a series of workshops to identify, discuss and develop recommendations for optimal scientific/technical approaches for utilizing in vitro regulatory genotoxicity assay data within and across tobacco and ...
  7. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 008

    Workshop series to identify, discuss and develop recommendations for the optimal generation and use of in vitro genotoxicity assay data for tobacco and nicotine products

    MOORE M.M.(1); CURREN R.(2)
    (1) Ramboll US Corporation, Little Rock, AR, USA; (2) Institute for In Vitro Sciences, Gaithersburg, MD, USA
    The Institute for In Vitro Sciences is sponsoring a series of workshops to identify, discuss and develop recommendations for optimal scientific/technical approaches for utilizing in vitro regulatory genotoxicity assay data within and across tobacco and ...
  8. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 11

    Field trials with low nicotine tobacco varieties developed by conventional breeding technique: first results

    MALPICA A.(1); EVANS W.(2); ARCHIBALD C.(3); SCOTT L.(4); GARWE D.(5); CHAMANGO A.M.Z.(6); DORLHAC de BORNE F.(7); COLARD S.(8)
    (1) Bergerac Seed and Breeding, Bergerac, France; (2) Imperial Tobacco South Africa Pvt. Ltd, Umhlanga, Durban, South Africa; (3) Alliance One International Services, Camberley, Surrey, U.K.; (4) Universal Leaf Tobacco Co., Richmond, VA, U.S.A.; (5) Tobacco Research Board (TRB), Harare, Zimbabwe; (6) Agricultural Research & Extension Trust (ARET), Lilongwe, Malawi; (7) Imperial Tobacco Limited, Bergerac, France; (8) SEITA - Imperial Brands plc, Paris, France
    In 2015, the World Health Organisation (WHO) Study Group on Tobacco Product Regulation (“TobReg”) issued an advisory note recommending a strategy of reducing nicotine in tobacco to substantially lower levels of 0.4 mg/g. In the U.S., the Food and Drug ...
  9. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 22

    Bacterial wilt (Ralstonia solanacearum) resistant flue-cured hybrids - current Malawi situation

    SIBANDE L.A.G.O.; CHAMANGO A.M.Z.; MATEWERE M.; KHUMBANYIWA A.G.
    Agricultural Research and Extension Trust (ARET), Lilongwe, Malawi
    In Malawi, flue-cured tobacco production is negatively affected by both aerial and soil borne diseases. Bacterial wilt (Ralstonia solanacearum) is one of the major soil borne diseases that attack the crop, reducing cured leaf yield and quality. Currently ...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 15

    Effect of priming as a practice for improving yield and quality of flue-cured tobacco in Malawi

    MTONGA Y.P.; MUMBA J.B.; GOMONDA R.W.J.
    Agricultural Research and Extension Trust (ARET), Lilongwe, Malawi
    Priming of leaves improves yield and quality of flue-cured tobacco. A field experiment was conducted at three locations in Malawi during the 2013 to 2016 cropping seasons. The aim was to investigate the effect of priming bottom leaves on yield and quality ...