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10 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 33

    Cigar wrapper production in Zimbabwe: an overview of past, present and future prospects

    MUKOYI F.(1); MAGAMA F.(1); EDMONDSON A.(2); GUILD L.(3); GARWE D.(1)
    (1) Tobacco Research Board, Harare, Zimbabwe; (2) Von Eicken, Lübeck, Germany; (3) Mapeto Farm, Burma Valley, Zimbabwe
    The cigar wrapper tobacco type was once grown in Zimbabwe in the early 1950s in a project that was championed by British American Tobacco (BAT). However, production was stifled owing to viability challenges coupled with loss of interest from growers....
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 34

    Alkaloid content of wide tobacco germplasm: the search for high and low nicotine content accumulating genotypes

    MAGAMA F.; SHAMUDZARIRA M.; GARWE D.
    Tobacco Research Board, Harare, Zimbabwe
    Tobacco alkaloids are essential for the flavour, addictiveness, carcinogenicity and utilisation of blended flue-cured tobacco. Although there are strict limits on nicotine and nornicotine content permitted, there is renewed impetus to determine the...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 39

    First report of a pepper potato virus Y isolate affecting tobacco in Zimbabwe

    ZVOBGO G.; MUFUNDA F.; CHINHEYA C.C.; MAGAMA F.; GARWE D.; DIMBI S.
    Tobacco Research Board, Kutsaga, Harare, Zimbabwe
    Potato virus Y (PVY) is an economically important disease, capable of causing 100 % yield losses particularly in late planted tobacco. This is so because the early growth stages coincide with a peak in aphid vector populations. In December 2017,...
  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...
  5. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 02

    Characterisation of root-knot nematode (Meloidogyne javanica) resistance mechanism in tobacco

    MAKUNDE P.T.; MAHERE T.S.; DIMBI S.; GARWE D.
    Tobacco Research Board, Harare, Zimbabwe
    Resistance to root-knot nematode (Meloidogyne spp) has been identified, incorporated, and deployed in Kutsaga commercial cultivars of tobacco, Nicotiana tabacum. These cultivars have varying resistance levels to root-knot nematode. The classification...
  6. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 32

    Zimbabwean tobacco growers spoilt for choice: TRB continually screens and recommends new greener agrochemicals

    GARWE D.; MASUKWEDZA R.; DIMBI S.
    Tobacco Research Board, Harare, Zimbabwe
    Due to their detrimental effects on the environment, flora and fauna, many agrochemicals have been banned, phased-out, or their use heavily restricted in recent years. For example, the effective but broad spectrum and purple label crop protection...
  7. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 34

    Striga gesnerioides on tobacco (Nicotiana tabacum) in Zimbabwe

    KOGA C.(1); GARWE D.(1); MWENJE E.(2); RUKUNI D.(1)
    (1) Tobacco Research Board, Harare, Zimbabwe; (2) Bindura University of Science Education, Bindura, Zimbabwe
    Striga gesnerioides is a noxious root parasitic weed of the economically important crops [legumes, cowpea (Vigna unguiculata), maize (Zea mays) and tobacco (Nicotiana tabacum)]. In 2002 this weed was identified as a major biotic constraint to tobacco...