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59 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 04

    Contributions to the study of gall wasp occurrence in Eucalyptus woodlots in southern Brazil

    ROESCH F.(1); FEUERBORN M.(1); KOEHLER A.(2); RAUBER M.(2); FARIAS J.(3); WELTER C.A.(3); TEIXEIRA D.S.(3)
    (1) Japan Tobacco International (JTI), Santa Cruz do Sul, RS, Brazil; (2) Universidade de Santa Cruz do Sul (UNISC), Laboratory of Entomology, Santa Cruz do Sul, RS, Brazil; (3) Universidade Federal de Santa Maria (UFSM), Centro de Pesquisas Florestais, Campus Universitário, Santa Maria, RS, Brazil
    Firewood from Eucalyptus spp. is the main source of energy for tobacco curing in South Brazil. Leptocybe invasa Fisher & Lasalle, 2004 (Hymenoptera: Eulophidae) is a gall inducing wasp species that causes damage to eucalyptus plantations and nurseries ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 49

    Potential alternative control for Ephestia spp. using parasitoid wasps

    KÖHLER A.(1); PEZZINI C.(1); ROESCH F.(2); FEUERBORN M.(2)
    (1) Universidade de Santa Cruz do Sul (UNISC), Laboratory of Entomology, Santa Cruz do Sul, RS, Brazil; (2) Japan Tobacco International (JTI), Santa Cruz do Sul, RS, Brazil
    Different practices are already used to control lepidopteran pests in stored tobacco, mostly including chemical or physical practices, preventive or disinfesting. Biological methods, used more frequently in tobacco field sites, are not used yet in stored ...
  3. 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 ...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 23

    Spatial distribution and impact of adjacent vegetation on families of parasitic Hymenoptera associated with organic tobacco in Santa Cruz do Sul, RS, Brazil

    DORFEY C.(1); KÖHLER A.(2); SCHOENINGER K.(2)
    (1) JTI Kannenberg Comércio de Tabacos do Brasil Ltda, Brazil; (2) University of Santa Cruz do Sul (Unisc), Brazil
    The objectives of the research were to assess the fauna of Hymenoptera parasitoids associated with tobacco under organic management, to verify its spatial distribution within the growing area and to assess the impact of the presence of adjacent vegetation ...
  5. CORESTA Congress, Edinburgh, 2010, AP 23

    Parasitoid wasps applications in insect pest management in tobacco (Nicotiana tabacum L.) growing sites in South Brazil

    DORFEY C.; KOHLER K.
    University of Santa Cruz do Sul (Unisc), Santa Cruz do Sul, RS, Brazil
    This study aims to inventory the biodiversity of hymenopterans parasitoids associated with tobacco according to the cultivation method (organic and conventional); examine the host-parasitoid relationships in tobacco crops; check the effect of adjacent ...
  6. CORESTA Congress, Paris, 2006, APOST 07

    Genetic improvement of Nicotiana tabacum by applying remote hybridization and biotechnological methods

    NIKOVA V.; IANCHEVA A.M.; VLADOVA R.; PANDEVA R.; PETKOVA A.
    Bulgarian Academy of Science, Institute of Genetics, Sofia, Bulgaria.
    Wild Nicotiana species possess a high potential of useful features. Interspecific hybridization is a very effective method for the introducing of desired characters into tobacco and achieving crop improvement. Its successful realization is limited due to ...
  7. CORESTA Congress, Paris, 2006, APOST 24

    Color and aroma of tobacco: a facilitated approach for their objective evaluation in Oriental tobaccos and for cultivar classification within Virginia and Oriental tobacco types

    DAGNON S.; EDREVA A.; VLADOVSKA A.
    Tobacco and Tobacco Products Institutes, Plovdiv, Bulgaria; D. Kostov Inst. of Genetics, Bulgarian Academy of Sciences, Sofia, Bulgaria.
    In the routine practice the evaluation of colour and smoke aroma, major qualitative characteristics of tobacco, is mainly based on organoleptic estimates by expert panels, with this suffering from subjectivity, high costs and health hazards. We propose a ...
  8. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, APOST 24

    Hybrid seed production in tobacco by using male sterile plants

    NIKOVA V.; NIKOLOV E.; IANCHEVA A.; PANDEVA R.; PETKOVA A.
    Institute of Genetics, Sofia, Bulgaria; Tobacco and Tobacco Products Institute, Plovdiv, Bulgaria; Reg. Ctre for Scientific Investig. & Prod. of Tobacco, Haskovo, Bulgaria.
    The introduction of hybrid crop varieties has enabled spectacular growth in productivity owing to hybrid vigor and increased uniformity. To produce hybrid seeds, a pollination control system is required to prevent unwanted self-pollination. New ...
  9. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, PPOST 03

    "Diatomaceous Earth and Rice Hull Ash": two new alternatives to control Lasioderma serricorne (F.) in tobacco warehouse condition

    GRECO M.M.; KÖHLER A.; DA COSTA R.
    Kannenberg & Cia. Ltda, Santa Cruz do Sul, RS - Brazil; University of Santa Cruz do Sul, Dept. of Biology, Entomologic Laboratory, Santa Cruz do Sul, RS - Brazil.
    Diatomaceous Earth (DE) is an approved and registered product for use against indoor and outdoor crawling insects. DE is odorless and nontoxic, composed of finely milled fossilized shells of minuscule organisms which present microscopically fine, sharp ...