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13 results

  1. Ann. Tabac, 1991, Sect. 2-23, p. 75-9., ISSN.0399-0354

    Isogenic lines of Harmanliska Basma 163 tobacco having a Nt gene controlling the resistance vis-à-vis the virus of tobacco mosaic (TMV) tomato strain (Nicotiana Virus I Smith)

    PALAKARTCHEVA D.; KRUSTEVA D.
    Institut of Genetics - Plant Breeding, Sofia, Bulgaria.
    The aim of this research is to create isogenic lines of the variety Harmanliska basma 163, with a Nt gene controlling the resistance of tobacco to Nicotiana virus I Smith. At the same time a study of the comportment of the Nt gene, as well as those...
  2. Ann. Tabac, 1991, Sect. 2-23, p. 81-7., ISSN.0399-0354

    Genetic study of Erysiphe cichoracearum D.C. resistance of PMR Burley 21 cultivar and some morphological characters that influence the tobacco yield

    TOUNKARA F.; PALAKARCHEVA M.
    Institut of Genetics - Plant Breeding, Sofia, Bulgaria.
    The aim of the present investigation is to study the genetic control of Erysiphe cichoracearum resistance of PMR Burley 21 cultivar, coming from N. tabacum. At the same time the inheritance of some quantitative characters was studied, that influence...
  3. Ann. Tabac, Sect. 2-23, 1991, p. 5-67., ISSN.0399-0354

    Analysis of host specialization on tobacco of the pathogenic fungus Phytophthora parasitica; study of the involvement of a proteic elicitor

    TRENTIN F.
    Institut Expérimental du Tabac, Bergerac, France
    The behavior of Phytophthora parasitica was studied with the help of an original test for the inoculation of the plantlet roots which showed the existence of three types of isolates : 1) non parasitic isolates of tobacco which secrete parasiticein...