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126 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 04

    Pest and disease surveillance in flue-cured tobacco growing zones of India

    REDDY B.S.R.; SWAMY S.; MANI M.
    ITC Ltd, Agri Business Division, Research Department, Rajahmundry, A.P, India
    Pest and disease are major yield limiting factors in tobacco production and these biotic factors reduce the productivity besides affecting the quality of leaf. The control of these pest and diseases warrant more pesticide usage resulting in pesticide ...
  2. 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 ...
  3. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups (Workshop), APW 04

    Translating research output into the grower's reality: tobacco training and extension for smallholder growers in Zimbabwe

    DIMBI S.; KHUDU G.
    Tobacco Research Board, Harare, Zimbabwe
    The Tobacco Research Board (TRB) has the mandate to carry out all tobacco research in Zimbabwe. The main objective of the research programme is to enable tobacco growers to maximise value from responsible and sustainable tobacco production practices. ...
  4. 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 of ...
  5. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 04

    Kutsaga releases a Katambora Rhodes grass variety (G HR 1) for nematode management under tighter rotations

    SHAVA J.G.; MAKUNDE P.T.; MAGAMA F.; SHAMUDZARIRA M.
    Tobacco Research Board, Harare, Zimbabwe
    Although the use of resistant varieties is effective, Katambora Rhodes grass (Chloris gayana) has been used for a long time in rotations not only to suppress nematodes but also to improve the soil structure in tobacco farming systems. This grass was ...
  6. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 08

    Pythium myriotylum, the dominant Pythium species associated with root rot of tobacco seedlings produced using the float tray system in Zimbabwe

    MUFUNDA F.; MUZHINJI N.; SIGOBODHLA T.; KASHANGURA C.
    Tobacco Research Board, Harare, Zimbabwe
    Pythium root rot caused by the oomycete Pythium species is the most serious disease affecting tobacco seedlings produced under the hydroponic float tray system in Zimbabwe. Currently, knowledge of the occurrence and genetic diversity of the Pythium ...
  7. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 15

    Fertigation of flue-cured tobacco with a combination of water soluble and straight fertilisers, for enhancing nitrogen and potassium use efficiency

    MAHESH M.N.V.A.; RAMAKRISHNA B.; MANI M.; SRINIVAS P.
    ITC Limited - Agri Business Division-ILTD, Research Department, Rajahmundry, Andhra Pradesh, India
    Nutrient application through drip irrigation (fertigation) with water soluble fertilisers, is an established practice to achieve nutrient use efficiency in flue-cured tobacco production. However, there has been a steady price escalation and erratic ...
  8. 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 agents ...