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19 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 35

    Chemometric and analytical tools directed to improve the selection of raw materials for long-filler cigar manufacture

    BORGES MIRANDA A.(1); ÁLVAREZ PRIETO M.(2,4); PÉREZ MARTÍNEZ C.(3); JIMÉNEZ CHACÓN J.(4); MOREJÓN FUENTES O.(1); GONZÁLEZ DÍAZ M.(1); HERNANDEZ REYES M.E.(1); MARQUEZ LEYVA I.(1); HERNÁNDEZ SANTANA Y.(1)
    (1) Instituto de Investigaciones del Tabaco, San Antonio de los Baños, Artemisa, Cuba; (2) Facultad de Química, Universidad de La Habana, Departamento de Química Analítica, La Habana, Cuba; (3) Facultad de Química, Universidad de La Habana, Departamento de Química-Física, La Habana, Cuba; (4) Laboratorio Universitario de la Composición y Estructura de la Sustancia (LUCES), Universidad de La Habana, La Habana, Cuba
    Defining chemical specifications of raw materials, and having adequate analytical methodologies with known tolerances at a reasonable cost is a need for tobacco companies. They allow a better management of batches of raw materials produced. Three...
  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...
  3. CORESTA Meeting, Agronomy/Phytopathology, Krakow, 2007, APPOST 09

    Molecular characterization of Cuban isolates from Peronospora hyoscyami sp. tabacina

    SILVA LARRAÑAGA Y.K.; MUIÑO B.; CHACÓN O.; CRESPO J.A.; BORRÁS O.
    Tobacco Research Institute, Havana, Cuba.
    Peronospora hyoscyami de Bary f. sp. tabacina, the oomycete that causes blue mould of tobacco, is an extremely destructive pathogen with aerially transported sporangiospores. Since 1979, P. hyoscyami f.sp. tabacina has caused billions of dollars...
  4. CORESTA Meeting, Agronomy/Phytopathology, Cape Town, 2001, APPOST 05

    Cuban tobacco collection (Nicotiana tabacum) : its composition and more significant contribution

    TORRECILLA GUERRA G.
    Instituto de Investigaciones de Tabaco, San Antonio de los Banos, La Habana, Cuba.
    The genetic ressource of Nicotiana tabacum L. existing at the Tobacco Research Institute of Cuba is presented. It has 758 N. tabacum accessions and 19 wild species of the Nicotiana genus. Foreign varieties and all the primitive and local materials...
  5. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 107, APOST6 (adjourned)

    Estimation of the state of nitrogen nourishment of tobacco using the N-tester

    KOWALCZYK-JUSKO A.; KOSCIK B.
    University of Agriculture, Lublin - Institute of Agricultural Sciences, Zamosc, Poland.
    The purpose of this work, based on a three years of field experiment, was to inspect whether it is possible to use a chlorophyll meter in fixing the nitrogen doses used in growing flue-cured tobacco. The relationship between the capacity of nitrogen...
  6. 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...