Search Results

32 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 14

    RNA-Seq analysis of Orobanche resistance in tobacco: development of molecular markers for breeding recessive resistance from Wika tobacco variety

    JULIO E.(1); MALPICA A.(2); COTUCHEAU J.(1); BACHET S.(2); VOLPATTI R.(1); DECORPS C.(1); DORLHAC de BORNE F.(1)
    (1) Imperial Tobacco Limited, Leaf Research, Bergerac, France; (2) Bergerac Seed and Breeding, Bergerac, France
    Orobanche spp. (broomrape) is an obligate root parasite that can attack a wide spectrum of plants, including tobacco. It is responsible for economic losses in Europe since 2002 and its incidence in many tobacco growing countries is increasing. Preventive ...
  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, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 30

    Nicotine reduction and consumer perception: a scientific approach for quantifying possible impact of low nicotine cigarettes on consumer behaviour

    GUO Mengran(1); VERRON T.(1); DORLHAC de BORNE F.(2); PRITCHARD J.(3); COLARD S.(1)
    (1) SEITA - Imperial Brands plc, Paris, France; (2) Imperial Tobacco Limited, Leaf Research, Bergerac, France; (3) Imperial Brands, Bristol, U.K.
    In 2015, the WHO Study Group on Tobacco Product Regulation (TobReg) issued an advisory note recommending a strategy to reduce nicotine in tobacco to levels which would not be sufficient to lead to the development and/or maintenance of addiction. In the US ...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 39

    Identification of genetic determinants controlling cadmium accumulation in tobacco

    BERTRAND J.(1); JULIO E.(2); COTUCHEAU J.(2); DORLHAC DE BORNE F.(2); BERTHOMIEU P.(1)
    (1) UMR de Biochimie et Physiologie Moléculaire des Plantes, INRA/CNRS/Montpellier SupAgro/Université Montpellier, Montpellier, France; (2) Imperial Tobacco Limited, Leaf Research, La Tour, Bergerac, France
    Cadmium is a toxic heavy metal naturally absorbed and accumulated by plants. It is present in tobacco (Nicotiana tabacum) leaves and potentially in the smoke of cigarettes. Reducing the cadmium content in leaves of tobacco plants requires a better ...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 55

    Genetic and functional analysis of va resistance durability to Potato virus Y in tobacco

    JULIO E.(1); MICHEL V.(2); COTUCHEAU J.(1); DORLHAC DE BORNE F.(1); GLAIS L.(3.4); JACQUOT E.(5); DECROOCQ V.(2); CANDRESSE T.(2); GERMAN-RETANA S.(2)
    (1) Imperial Tobacco Limited, Leaf Research, La Tour, Bergerac, France; (2) INRA et Université de Bordeaux, UMR 1332 BFP, BP81, Villenave d’Ornon, France; (3) FN3PT/RD3PT, Paris, France; (4) INRA, UMR1349 IGEPP, Le Rheu, France; (5) INRA-Cirad-Supagro Montpellier, UMR BGPI, Montpellier, France
    Many recessive resistances against potyviruses are mediated by eukaryotic translation initiation factors (eIF4E). In tobacco, the va resistance gene commonly used to control PVY corresponds to a large (almost 1Mb) deletion affecting a copy of eIF4E ...
  6. 47th TWC, Tob. Work. Conf., 2016, abstr. 53

    Association mapping in a collection of tobacco reference cultivars. Step One: Variability of smoke constituents

    JULIO E.; VERRON T.; CAHOURS X.; DORLHAC DE BORNE F.; COLARD S.
    Imperial Tobacco Group, Bergerac, France
    Recent developments of sequencing technologies and computational methods have given the opportunity to detect natural variation underlying complex traits in crops. In this purpose, association mapping can be used to identify the link between tobacco genes ...
  7. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 51

    Potato virus Y (PVY) resistance in tobacco: identification of an alternative source of resistance against PVY resistant breaking variant

    JULIO E.(1); COTUCHEAU J.(1); DECORPS C.(1); VOLPATTI R.(1); MICHEL V.(2); GERMAN RETANA S.(2); DECROCQ V.(2); CANDRESSE T.(2); DORLHAC DE BORNE F.(1)
    (1) Imperial Tobacco, Bergerac, France; (2) UMR 1332 BFP, INRA, Univ Bordeaux, Villenave d'Ornon, France
    Potato virus Y (PVY) is one of the most damaging viruses on tobacco worldwide. This virus is responsible for mosaic or necrotic symptoms depending on the PVY strain. Aggressive PVY necrotic strains can lead to considerable yield losses. A large deletion ...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 29

    Characterisation of the Rk1 resistance to Meloidogyne in tobacco by RNA-Seq analysis

    JULIO E.; COTUCHEAU J.; DECORPS C.; LAURENT T.; DORLHAC de BORNE F.
    SEITA, Imperial Tobacco Group, Bergerac, France
    The root-knot nematode (Meloidogyne spp.) is a major pest causing severe damages in many tobacco growing areas such as Europe, Brazil or Africa. The use of nematicides to fumigate soils is not compatible with efforts to reduce agrochemical residues on ...