1. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2005, 21-7, p. 380-89., ISSN.0173-783X

    Separation and identification of sucrose esters from Turkish tobacco using liquid chromatography-mass spectrometry

    ASHRAF-KHORASSANI M.; NAZEM N.
    Virginia Tech, Dept. of Chemistry, Blacksburg, VA, USA
    Tetra-acylated sucrose esters (SE) in Turkish tobacco extracts have been separated and identified using liquid chromatography-mass spectrometry (LC-MS). An enriched fraction of SE from semi-preparative normal phase liquid chromatography of the...
  2. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, APOST 24

    Hybrid seed production in tobacco by using male sterile plants

    NIKOVA V.; NIKOLOV E.; IANCHEVA A.; PANDEVA R.; PETKOVA A.
    Institute of Genetics, Sofia, Bulgaria; Tobacco and Tobacco Products Institute, Plovdiv, Bulgaria; Reg. Ctre for Scientific Investig. & Prod. of Tobacco, Haskovo, Bulgaria.
    The introduction of hybrid crop varieties has enabled spectacular growth in productivity owing to hybrid vigor and increased uniformity. To produce hybrid seeds, a pollination control system is required to prevent unwanted self-pollination. New...
  3. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, APOST 26

    The effects of nitrogen fertilizer management on yield, quality and tobacco specific nitrosamine levels of burley tobacco

    PEEK D.R.; DENTON P.
    Virginia Tech., VA, USA; University of Tennessee Extension Specialist
    Burley tobacco requires high nitrogen levels to maximize yields of cured leaf. Nitrate levels in the cured leaf have a direct association with the levels of tobacco specific nitrosamines (TSNAs). A study was conducted to evaluate nitrogen rates...
  4. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, P 05

    Host resistance and nematicides for control of tobacco cyst nematodes (Globodera tabacum solanacearum) in flue-cured tobacco fields

    JOHNSON C.S.
    Southern Piedmont Agricultural REC, Blackstone, VA, USA
    A tobacco cyst nematode (TCN - Globodera tabacum solanacearum) is among the most damaging pests of flue-cured tobacco in portions of Virginia and scattered fields in nearby tobacco-producing states. Tobacco cyst nematodes have also been reported to...