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5 results

  1. CORESTA Meeting, Agronomy/Phytopathology, Cape Town, 2001, P 07

    Molecular characterization of Bacillus thuringiensis strains with dual insecticidal activity to control lepidopteran and coleopteran pests of tobacco

    NORIEGA D.; TINOCO J.D.; FERNANDEZ A.; ORDUZ S.
    Unidad de Biotecnología y Control Biológico, CIB,2. Compañia Colombiana de Tabaco S.A.
    Stored tobacco is commonly attacked by insects such as Lasioderma serricorne (F.) (Coleoptera: Anobiidae). The objective of this research was to isolate and to identify strains of Bacillus thuringiensis with potential to reduce L. serricorne populations ...
  2. Bull. Spec. CORESTA Symposium, Kallithea, 1990, p. 98, APTS 03, ISSN.0525-6240

    Evaluation of tobacco grading systems by multivariate analysis of their chemical quality parameters

    CASTANO J.I.; VARGAS L.R.; PALACIO F.J.
    Compania Colombiana de Tabaco S.A., Investigacion y Desarollo, Medellin, Colombia.
    Multivariate methods are being widely used in analyzing large data sets where each object is characterized by several variables. Three multivariate statistical techniques were used in this work: discriminant analysis, principal components analysis and ...