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3 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, PT13

    Morphological and cytological characteristics of somatic hybrids between N. tabacum and N. megalosiphon

    ILCHEVA V.; SAN L.H.; DORLHAC F.
    Bulgarian Academy of Science, Institute of Genetics, Sofia, Bulgaria.
    Somatic hybrid plants between N. tabacum (IVB ( bar )) and N. megalosiphon ( npt II) were recovered after polyethylene glycol (PEG) - mediated fusion and electrofusion. The hybrid calli were selected on plant regeneration medium on the basis of...