1. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 30

    Preliminary investigation of bio-oil compounds from Tombac that kill agricultural pests

    KABBARA M.B.(1,2); OUDDANE B.(1); HALWANI J.(3)
    (1) Lille 1 University, LASIR Laboratory, UMR CNRS 8516, Physical Chemistry of the Environment Team, Villeneuve d'Ascq, France; (2) Régie Libanaise des Tabacs & Tombacs, Tripoli, Lebanon; (3) Lebanese University, Water & Environment Science Laboratory, Public Health Faculty, Tripoli, Lebanon
    Currently, scientists are focused on developing new tools to control insect populations, including secondary plant metabolites that show promise for use in plant protection. Secondary plant metabolites cause toxic effects that can be observed at both ...
  2. CORESTA Congress, Edinburgh, 2010, APPOST 14

    Aloe vera aqueous extracts: Potential explanation at molecular level of its allelopathic effect of over Nicotiana tabacum plants.

    GEADA LOPEZ D.; IZQUIERDO A.; JO M.; GEADA LOPEZ G.; HERNANDEZ B.; MAESTRE BATLLE D.
    Tobacco Research Institute, Havana, Cuba.
    Positive allelopathic effects of Aloe vera extracts for medical, pharmaceutical and cosmetic applications on humans have been well documented over many years. However its vegetal applications are not so well described. More than 10 years ago, Pinar del ...
  3. CORESTA Congress, New Orleans, 2002, AP 32

    Efficiency of potash fertilizers applied in fertigation on the production and chemical composition of tobacco leaves

    GUERRA MILIANS J.G.; MARCHAND M.; PEREZ CABRERA O.; BOURRIÉ B.
    Est. Exp. del Tabco San Juan y Martinez, Finca Vivero, San Juan y Martinez, Pinar del Rio, Cuba.
    Fertilization in tobacco cropping is a prerequisite for high yield and quality production. Potassium plays a key role in determining some important quality parameters such as leaf color, texture, hygroscopic properties, combustibility, sugar and alkaloid ...
  4. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 178, S2

    New methodologies for tobacco alkaloids determination

    LOURENCO M.G.; MATOS A.; JONES N.M.; OLIVEIRA M.C.; BERNARDO-GIL M.G.
    CIAT - DAIAT - Instituto Superior de Agronomia, Lisboa, Portugal.
    Taking in account recent progress in ultrasonic and microwave extraction techniques, the applicability of such methodologies to the extraction of tobacco alkaloids from cured tobacco was optimised and compared with the conventional ones, namely steam ...
  5. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 102, APOST1

    Experiences in Cuba with the float trays system in the production of tobacco seedlings

    ANDINO V.; GARCIA M.
    Instituto de Investigaciones de Tabaco, San Antonio de los Banos, La Habana, Cuba.
    Tobacco seedlings in Cuba are produced in seedbeds placed in open fields. Since 1995 the introduction of a new system for producing seedlings was initiated using float trays. Three main problems to solve were to define an inexpensive greenhouse for ...
  6. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 105, A1, ISSN.0525-6240

    An approach on the effects of nitrogen fertilization and antioxidant addition on the alkaloids content of flue-cured tobacco in Portugal

    LOURENCO M.G.; FERRAO J.E.M.; FIGUEIREDO E.T.L.; AMARO J.A.T.; ROCHA M.E.V.
    Universidade Technica de Lisboa, Instituto Superior de Agronomia, Lisboa, Portugal.
    For three years a study on the influence of different forms of nitrogen fertilization on the alkaloids content of flue-cured tobacco was carried out in Portugal. In order to prevent the nitrosamines formation, the tobacco leaves were treated with some ...
  7. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 183, S9, ISSN.0525-6240

    Tobacco in Portugal _ Looking back to its history

    FERRAO J.E.M.; ROCHA M.E.V.
    Universidade Technica de Lisboa, Instituto Superior de Agronomia, Lisboa, Portugal.
    This paper aims to give a general view, not only over the historical past, but also an outlook of the Portuguese current reality. During the discoveries period, the Europeans found out that tobacco was already widely used by the American Indians. The ...