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11 results

  1. Ann. Tabac, 1991, Sect. 2-23, p. 95-126., ISSN.0399-0354

    Anion-cation balance in the tobacco plant. Particular significance of the difference between alkalinity of total ash (ATA) and total nitrogen content (N)

    CHOUTEAU J.
    SEITA, Institut du Tabac, Bergerac, France
    cf. CORESTA Inf. Bull., 1990, 3-4 p. 12-23. 1993-2-8233 CHOUTEAU J. INRA Institut du Tabac Ann. Tabac, 1991, Sect. 2-23, p. 95-126., ISSN.0399-0354 Annales du Tabac France CHOUTEAU J. SEITA, Institut du Tabac, Bergerac, France 1993 Publication ...
  2. 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 (N-E+), ...
  3. 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 ...
  4. CORESTA Meeting, Agronomy/Phytopathology, Budapest, 1993

    First field experiment of transgenic tobaccos showing an overexpression of nitrate reductase activity

    DORLHAC DE BORNE F.; DE ROTON C.; SAN L.H.
    SEITA, Institut du Tabac, Bergerac, France
    The dark tobacco varieties grown in France, especially Burley, receiving a high nitrogen fertilization in order to get satisfactory yield, do not entirely reduce the absorbed nitrogen and accumulate it essentially in lower stalk positions. The first step ...