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 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 ...
  5. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 13

    Genetic diversity of potato virus Y infecting tobacco in major tobacco growing fields in Northern Vietnam

    NGUYEN VAN C.(1); NGUYEN VAN D.(2); VAN LE S.(2)
    (1) Vietnam Tobacco Institute, Hanoi, Vietnam; (2) Vietnam Institute of Biotechnology, Hanoi, Vietnam
    Potato virus Y (PVY) is the type member of genus Potyvirus and one of the most common species and most pernicious of Potyvirus. PVY has a wide host range and infects several important solanaceous crops, including potato, tomato and tobacco. In Vietnam, ...
  6. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 15

    Effect of potato virus Y on growth, yield and chemical composition of flue-cured tobacco in Northern Vietnam

    NGUYEN VAN C.; HONG NGUYEN T.; THI DO T.
    Vietnam Tobacco Institute, Hanoi, Vietnam
    Potato virus Y (PVY) is a plant virus that causes significant losses to tobacco. PVY damage is severe in the tobacco growing provinces Lang Son and Bac Giang with disease rates from 10-45 %, with some areas infected 100 %. The objective of this study was ...
  7. 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 ...
  8. 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 ...
  9. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 21

    Polypot system: a cost saving practice for improved tobacco seedling quality in Malawi

    MTONGA Y.P.; MUMBA J.B.; GOMONDA R.W.J.
    Agricultural Research and Extension Trust (ARET), Lilongwe, Malawi
    This trial investigated a tobacco seedling production system known as the Polypot which is a slight variant of the Motherbed. It aimed to evaluate the effectiveness, benefits and challenges of the Polypot in relation to the other seedling production ...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, APPOST 04

    Developing flue-cured tobacco hybrids with combined resistance to granville wilt and root-knot nematodes and angular leaf spot in Malawi

    SIBANDE L.A.G.O.; CHAMANGO A.M.Z.; GOMONDA R.W.J.
    Agricultural Research and Extension Trust (ARET), Lilongwe, Malawi
    Flue-cured tobacco production in Malawi is constrained by both soil-borne (root-knot nematodes and Granville wilt) and aerial borne (angular leaf spot and alternaria brown spot) diseases. To address these multiple challenges, a breeding programme was ...