1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 13

    Genetic diversity of potato virus Y infecting tobacco in major tobacco growing fields in Northern Vietnam

    NGUYEN VAN C.(1); NGUYEN VAN D.(2); VAN LE S.(2)
    (1) Vietnam Tobacco Institute, Hanoi, Vietnam; (2) Vietnam Institute of Biotechnology, Hanoi, Vietnam
    Potato virus Y (PVY) is the type member of genus Potyvirus and one of the most common species and most pernicious of Potyvirus. PVY has a wide host range and infects several important solanaceous crops, including potato, tomato and tobacco. In Vietnam, ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 15

    Effect of potato virus Y on growth, yield and chemical composition of flue-cured tobacco in Northern Vietnam

    NGUYEN VAN C.; HONG NGUYEN T.; THI DO T.
    Vietnam Tobacco Institute, Hanoi, Vietnam
    Potato virus Y (PVY) is a plant virus that causes significant losses to tobacco. PVY damage is severe in the tobacco growing provinces Lang Son and Bac Giang with disease rates from 10-45 %, with some areas infected 100 %. The objective of this study was ...
  3. 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 ...
  4. 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 ...