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74 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...
  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...
  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...
  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...
  5. CORESTA Congress, Paris, 2006, APOST 09

    Growth, maturation and senescence of Oriental tobacco leaves as affected by ethephon and inhibitors of ethylene biosynthesis

    KARAIVAZOGLOU N.A.; PAPAKOSTA D.K.; SFACIOTAKIS E.M.; DIVANIDIS S.
    Aristotle University of Thessaloniki, and Tobacco Institute, Laboratory of Agronomy, Laboratory of Pomology, Drama, Greece
    Ethylene is a gaseous plant growth regulator that it has long been known to promote fruit ripening and senescence of plant tissues. In contrast, aminoethoxyvinylglycine (AVG) and aminooxyacetic acid (AOA) both inhibitors of ethylene biosynthesis are...
  6. 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,...