Search Results

141 results

  1. 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 ...
  2. 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 ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, APPOST 12

    Di@gnoPlant® Tobacco: a mobile tool to identify tobacco diseases

    BLANCARD D.(1); ARMAND J.M.(1); MARIGNAC E.(2)
    (1) INRA, UMR Santé et Agroécologie de la Vigne, ISVV - IFR103, Villenave-d'Ornon, France; (2) CORESTA, Paris, France
    In order to reduce the use of crop protection agents in the field, the early and reliable identification of diseases and the detection of emergent pests have proven to be crucial stages in plant protection. An early diagnosis enables implementation of the ...
  4. 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 ...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, APPOST 26

    Di@gnoPlant® Tobacco: a mobile tool to identify tobacco diseases

    BLANCARD D.(1); ARMAND J.M.(1); MARIGNAC E.(2)
    (1) INRA, UMR Santé et Agroécologie de la Vigne, ISVV - IFR103, Villenave-d'Ornon, France; (2) CORESTA, Paris, France
    In order to reduce the use of crop protection agents in the field, the early and reliable identification of diseases and the detection of emergent pests have proven to be crucial stages in plant protection. An early diagnosis enables implementation of the ...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, APW 04

    TALEN and CRISPR strategies for targeted editing of the plant genome

    MAZIER M.(1); NOGUÉ F.(2)
    (1) INRA-UR1052-GAFL Génétique et Amélioration des Fruits et Légumes, Montfavet, France; (2) INRA UMR1318 IJPB Institut Jean-Pierre Bourgin, INRA Centre de Versailles-Grignon, Versailles, France
    Despite certain political concerns in some countries, transgenesis is already an indispensable technology for seed companies and public scientists to remain competitive at the international level. Recent scientific advances in the field of transgenesis ...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, APPOST 11

    Di@gnoPlant® Tobacco: a new mobile tool to identify tobacco diseases in the field

    ARMAND J.M.(1); OHAYON M.(1); CHAMONT S.(1); BLANCARD D.(1); MARIGNAC E.(2)
    (1) INRA, UMR Santé et Agroécologie de la Vigne, Villenave-d'Ornon, France; (2) CORESTA, Paris, France
    In order to reduce crop protection agents in the field, the early and reliable identification of diseases and the detection of emergent pests have proven to be crucial stages in plant protection. An early diagnosis enables implementation of the most ...
  8. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 20

    Characterisation and comparison of French and Brazilian potato virus Y (PVY) isolates collected from PVY-susceptible or -resistant tobacco plants carrying the recessive resistance gene va

    LACROIX C.(1,2*a) ; GLAIS L.(3); KERLAN C.(1); CHARLIER C.(4); JANZAC B.(1,2); LORENCETTI C.(5); MORNET F.(6); CAILLETEAU B.(2); VERRIER J-L.(2); JACQUOT E.(1*b)
    (1) INRA-Agrocampus Ouest-Université Rennes1, UMR1349 IGEPP (Institute of Genetic, Environment and Plant Protection), Le Rheu, France; (2) Imperial Tobacco Group, SEITA, Institut du Tabac, Bergerac, France; (3) FNPPPT (Fédération Nationale des Producteurs de Plants de Pomme de Terre), Paris, France; (4) Universidade de Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil; (5) Alliance One Brasil Exportadora de Tabacos Ltda, Vera cruz, RS, Brazil; (6) ANITTA, Bergerac, France
    Improved tobacco cultivars possessing alleles of the “ va ” recessive resistance gene have been deployed worldwide to mitigate consequences of potato virus Y (PVY) infections. Unfortunately, necrotic PVY symptoms were reported, suggesting that PVY is able ...
  9. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 21

    Evolutionary pathways of potato virus Y adaption to the resistance gene va in Nicotiana tabacum and impacts for resistance management

    JANZAC B.(1,2); LACROIX C.(1,2*a); TRIBODET M.(1); VERRIER J-L.(2); JACQUOT E.(1*b)
    (1) INRA-Agrocampus Ouest-Université Rennes1, UMR1349 IGEPP (Institute of Genetic, Environment and Plant Protection), Le Rheu, France; (2) Imperial Tobacco Group, SEITA, Institut du Tabac, Bergerac, FranceInteractions), Montpellier, France
    Since the use of tobacco cultivars carrying allelic forms (0, 1 or 2) of the recessive resistance gene va, symptoms associated to PVY infection have often been reported, which suggests viral adaptation to these allelic forms. Biological and serological ...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 20

    ProDuTa & e-phytia: a new approach for tobacco diseases identification and knowledge spreading

    FONTAINE B.; BLANCARD D.; ARMAND J.M.
    (1) ANITTA (Association Nationale Interprofessionnelle et Technique du Tabac) Bergerac, France; (2) INRA (French National Institute of Agronomy), Bordeaux, France
    Each year, many trials are implemented by public or private centres to improve tobacco production. Many results are published but one question remains: how to transfer this knowledge towards producers or technical services? Nowadays, the Internet is ...