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19 results

  1. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2001, 19-4, p. 189-203., ISSN.0173-783X

    A mathematical scheme for calculating flows and pressure drops in lit and unlit cigarettes

    DWYER R.W.; CHEN P.; WASYK R.D.
    Philip Morris USA, Research Center, Richmond, VA, USA
    A computational methodology is presented for evaluating the flows and pressure drops in both lit and unlit cigarettes. The flows and pressure drops across rows of tipping-paper perforations are considered explicitly, as are the locations and relative ...
  2. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2001, 19-6, p. 309-14., ISSN.0173-783X

    Floral morphology and some other characteristics of lso-genomic alloplasmics of Nicotiana tabacum L

    BERBEC A.
    Institute of Soil Science and Plant Cultivation, Dept. of Special Crops, Pulawy, Poland.
    Cytoplasms of several Nicotiana species- N. amplexicaulis, N. bigelovii, N. debneyi, N. eastii, N. exigua, N. glauca, N. glutinosa, N. goodspeedii, N. knightiana, N. occidentalis, N. plumbaginifolia, N. raimondii, N. suaveolens, N. undulata- were bred ...
  3. CORESTA Meeting, Agronomy/Phytopathology, Cape Town, 2001, AP 28

    Agronomic performance of flue-cured tobacco F1 hybrids obtained with different sources of CMS cytoplasm

    BERBEC A.
    Institute of Soil Science and Plant Cultivation, Dept. of Special Crops, Pulawy, Poland.
    Four cms F1 flue-cured hybrids cv Wislica x cv. Virginia Golta, the male fertile analogue and the parental varieties were tested at two locations in Poland in a replicated field trial. The cms sources in the hybrids were N. suaveolens, N. amplexicaulis, N ...
  4. CORESTA Meeting, Agronomy/Phytopathology, Cape Town, 2001, P 05

    Characterization of the main PVY resistance sources to different PVY strains

    DOROSZEWSKA T.; CHRZANOWSKA M.
    Institute of Soil Science and Plant Cultivation, Dept. of Special Crops, Pulawy, Poland.
    Potato virus Y (PVY) has a very wide host range and the necrotic strain (PVY N) has become the predominant strain on tobacco in Europe since 1953. This strain, however, is not homogenous and, during the last few years, new subgroups that break the known ...
  5. CORESTA Meeting, Smoke/Technology, Xian, 2001, IG 02 (adjourned)

    A global tobacco identity preservation program - TIPP

    RYAN L.; GADANI F.; ZUBER J.; ROSSI L.; ARCHIBALD C.; FISHER C.
    Philip Morris International Operations, Lausanne, Switzerland
    The tobacco industry maintains the identity of tobacco types (sun, air or flue-cured) and grades in order to blend these components into the products preferred by our consumers. With TIPP this existing system was further developed to ensure additional ...