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92 results

  1. 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...
  2. 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...
  3. 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...
  4. CORESTA Meeting, Agronomy/Phytopathology, Montreux,1997, AP14

    Role of nitrite in the accumulation of tobacco-specific nitrosamines in cured tobacco

    BURTON H.R.; CHILDS G.H.; DYE N.K.; BUSH L.P.
    University of Kentucky, Dept. of Agronomy, Lexington, KY, USA
    The complex reactions controlling the formation of tobacco-specific nitrosamines (TSNA) in the curing of tobacco have caused difficulty in developing a curing procedure to decrease nitrosamine levels in tobacco. Previous studies have shown that there...