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11 results

  1. 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...
  2. Beitr. Tabakforsch. Int., 1992, 15-3, p. 123-8., ISSN.0173-783X

    The influence of different filter parameters on the semivolatile composition of mainstream smoke

    FORMELLA K.; BRAUMANN T.; ELMENHORST H.
    Rothmans Produktions GmbH, R&D, Bremen, Germany
    The semivolatile fraction of cigarette smoke contains the most important aroma and taste compounds which contribute to the smoker's enjoyment. Obviously, the semivolatile composition is strongly affected by cigarette filters and consequently by the...