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301 results

  1. Bull. ARN, 1997, p. 67-81., ISSN.1146-6200

    Involvement of active oxygen species in tobacco (Nicotiana tabacum) cells responses to elicitins

    RUSTERUCCI C.; BLEIN J.P.
    INRA-Université de Boulogne, Unité Associée, Lab. de Phytopharmacie et Biochimie des Interactions Cellulaires, Dijon, France
    This work is one contribution to the study of the mode of action of elicitins, fungal proteins inducing defense reactions on tobacco. The purpose concerns the involvement and the role of active oxygen species (AOS) in necrosis appearance associated to the ...
  2. CORESTA Meeting, Agronomy/Phytopathology, Montreux, 1997, PT9

    Variability of Peronospora tabacina: an isoenzyme study

    EDREVA A.; DELON R.; COUSSIRAT J.C.
    (1) D. Kostov Inst. of Genetics, Bulgarian Academy of Sciences, Sofia, Bulgaria. (2) SEITA, lnstitut du Tabac, Bergerac, France
    The variability of P. tabacina A. populations was studied using the isoenzyme polymorphism of peroxidase, malate dehydrogenase and superoxidismutase. P. tabacina conidia from N. tabacum crops cultivated in distant areas of Europe (France-Bulgaria) were ...
  3. CORESTA Meeting, Agronomy/Phytopathology, Montreux,1997, AP10

    Occurrence of eggplant mottled dwarf nucleorhabdovirus in tobacco crops in Greece

    KATIS N.; CHATZIVASSILIOU E.; CLAY C.; AVGELIS A.; MANOUSSOPOULOS I.
    Aristotle University of Thessaloniki, Greece
    In August 1993, unusual virus-like symptoms were observed in tobacco plants (Nicotiana tabacum L.) of the cvs Myrodata Agriniou in the area of Agrinio (Central Greece). In 1994 and 1995 similar symptoms were noticed in the cv. Virginia in the area of ...
  4. CORESTA Meeting, Agronomy/Phytopathology, Montreux,1997, AP12

    The autodissemination technique of entomopathogenic microorganisms: A new method for controlling pests of stored tobacco?

    EBERHARDT H.-J.
    Verband des Cigarettenindustrie, Bonn, Germany.
    In the future, biological pesticides will be increasingly used in storage protection, and will complement or even replace conventional synthetic insecticides. In particular, the application of entomopathogenic viruses or fungi with a high specificity for ...
  5. CORESTA Meeting, Agronomy/Phytopathology, Montreux,1997, AP13

    Influence of physical plant modification on TSNA accumulation during air-curing

    BUSH L.P.; CUI M.; YANG H.; BURTON H.
    University of Kentucky, Dept. of Agronomy, Lexington, KY, USA
    Accumulation of tobacco-specific nitrosamines (TSNA) is generally higher in air-cured tobacco than other types. Often there is a positive relationship between nitrite and TSNA accumulation and a negative relationship between rate of leaf moisture loss and ...