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499 results

  1. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 070 (also presented at CORESTA 2018)

    Production of very low nicotine burley tobacco: short term feasibility from an agronomy viewpoint

    JACK A.M.; FISHER C.R.
    University of Kentucky, Lexington, KY, USA
    The FDA has issued an ANPRM to obtain information for developing a product standard that would lower nicotine to non-addictive levels, and requested comments on a limit of around 0.3-0.5 mg/g. We do not believe that this limit is technically feasible on a ...
  2. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 080

    Differential gene expression and functional responses in peripheral blood mononuclear cells pretreated with combustible and non-combustible tobacco products

    TRAN Q.T.(1); ARIMILLI S.(2); LIU Gang(1); MAKENA P.(1); PRASAD G.L.(1)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) Wake Forest School of Medicine, Winston-Salem, NC, USA
    Chronic smoking is known to alter immune responses, which compromises tumor surveillance and host defense against microbial infections. We previously showed that smokers (SMK) exhibit distinct peripheral blood mononuclear cell (PBMC) gene expression ...
  3. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 095

    Characterization of microbial communities associated with three smokeless tobacco reference products and correlation with chemical characteristics

    MOE L.; GREENHUT I.; JI Huihua
    University of Kentucky, Lexington, KY, USA
    Our first objective is to characterize microbial community composition associated with loose leaf chewing tobacco, American Snus and Swedish Snus smokeless tobacco reference products (STRP) as part of the Center for Tobacco Reference Products at the ...
  4. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 111 (also presented at CORESTA 2018)

    Characterization and certification of smokeless tobacco reference products

    SLONE S.; CANETE S.; JI Huihua; JACK A.M.; BUSH L.P.; CHAMBERS O.; SHELTON B.
    University of Kentucky, Lexington, KY, USA
    The constituents of raw tobacco products are naturally variable, and product design, the manufacturing process and the evolving science of tobacco analytics may increase this variability. The call for certified tobacco reference materials and their ...
  5. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 113

    Influence of maleic hydrazide on transcriptome landscape of chemically topped Burley tobacco

    PATTANAIK S.; SINGH S.K.; RICHMOND M.; PEARCE B.; BAILEY A.; YUAN Ling
    University of Kentucky, Lexington, KY, USA
    Topping is a common agronomic practice in tobacco production by removing the top of each tobacco plants in an entire field. Topping stimulates proliferation of axillary shoots (a.k.a. suckers) that affects yield and leaf quality, thus requiring ...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 06

    Dark air-cured and dark fire-cured tobacco TSNA levels in response to potassium source and rate

    KEENEY A.B.; BAILEY W.A.
    University of Kentucky, Plant Science Building, 1405 Veterans Drive, Lexington, KY, U.S.A.; University of Kentucky Research and Education Center, 1205 Hopkinsville Street, Princeton, KY, U.S.A.
    Field experiments were conducted to evaluate the effect of potassium fertilizer source and application rate on yield, quality, and tobacco leaf chemistry constituents in dark air-cured (DAC) and dark fire-cured (DFC) tobacco. Field trials were located at ...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 09

    The effect of farm vehicle exhaust emissions on TSNAs

    FISHER C.R.(1); KINNEY J.(1); JACK A.M.(2)
    (1) University of Kentucky, Department of Plant and Soils, Lexington, KY, U.S.A.; (2) University of Kentucky, Kentucky Tobacco Research and Development Center, KTRDC Building, Lexington, KY, U.S.A.
    Even low concentrations of nitrogenous gases (NOx) produced during combustion in direct-fired flue-cured barns increase tobacco-specific nitrosamines (TSNAs) in the cured leaf. Previous work in France and Kentucky, and in our recent storage study, has ...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 14

    Chemically topping Burley tobacco

    RICHMOND M.D.(1); PEARCE R.C.(1); BAILEY W.A.(2)
    (1) University of Kentucky, Department of Plant and Soil Sciences, Lexington, KY, U.S.A.; (2) University of Kentucky Research and Education Center, Princeton, KY, U.S.A.
    The act of topping tobacco (Nicotiana tabacum L.) involves the removal of the terminal bud or inflorescence of the tobacco plant. This practice ordinarily is accomplished by manually removing the top of each tobacco plant in an entire field, which is ...
  9. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 32

    Evaluation of various NPK fertilizer formulations applied as side dressing to tobacco in Santa Cruz do Sul region, RS, Brazil

    MOORE J.M.(1); BAFALLUY R.(2); REAL R.(2); CHAVES L.C.S.V.(3)
    (1) University of Georgia, Tifton, GA, U.S.A.; (2) SQM, Alphaville, Barueri, Santana de Parnaíba, SP, Brazil; (3) SANTAGRO, Santa Cruz Agrícola Comercial Ltda, Santa Cruz do Sul, RS, Brazil
    The objective of this research was to evaluate the qualitative and quantitative yield of tobacco (Nicotiana tabacum L.) comparing various formulations of nitrogen-potassium fertilizers applied as sidedress treatments. Six trials were conducted in distinct ...