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  1. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 01

    Investigation and research of microbial information in tobacco-planted soil from different ecological regions in Guizhou Province

    LI Xiang; LIU Yanxia; SHI Junxiong; ZHANG Heng; CAI Liuti; ZOU Yan
    Guizhou Academy of Tobacco Science of CNTC, Guiyang, Guizhou, P.R. China
    Soil microbial characteristics can sensitively reflect soil quality and health index. In order to illustrate the difference in microbial information between different ecological regions, tobacco-planted soils were collected from 31 regions in Guizhou...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 02

    Reverse logistics - receiving program for empty containers of pesticides from tobacco growers in southern Brazil

    SEHN C.A.
    SindiTabaco - Interstate Tobacco Industry Union, Santa Cruz do Sul, RS, Brazil
    The Brazilian legislation, through Decree 4.074/2002, has determined that users of agrochemicals and related products should return the empty containers and their covers to the commercial establishments where they were purchased. This legislation...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 03

    Project SOSTAB: innovative traceability on the tobacco production chain in Italy

    BURLA G.(1); MILLI G.(2)
    (1) TTI - Italian Consortium of Tobacco Processing, Città di Castello, Italy; (2) Fattoria Autonoma Tabacchi (FAT), I-06012 Città di Castello, Italy
    The Italian tobacco production chain has evolved significantly over the last twenty years, and several different activities have converged into larger processing units, which interface themselves with international buyers. Therefore, common targets...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 04

    Contributions to the study of gall wasp occurrence in Eucalyptus woodlots in southern Brazil

    ROESCH F.(1); FEUERBORN M.(1); KOEHLER A.(2); RAUBER M.(2); FARIAS J.(3); WELTER C.A.(3); TEIXEIRA D.S.(3)
    (1) Japan Tobacco International (JTI), Santa Cruz do Sul, RS, Brazil; (2) Universidade de Santa Cruz do Sul (UNISC), Laboratory of Entomology, Santa Cruz do Sul, RS, Brazil; (3) Universidade Federal de Santa Maria (UFSM), Centro de Pesquisas Florestais, Campus Universitário, Santa Maria, RS, Brazil
    Firewood from Eucalyptus spp. is the main source of energy for tobacco curing in South Brazil. Leptocybe invasa Fisher & Lasalle, 2004 (Hymenoptera: Eulophidae) is a gall inducing wasp species that causes damage to eucalyptus plantations and...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 05

    Effect of storage environment on nitrogen oxides formation in cured tobacco leaves

    SHI Hongzhi(1); WANG Jun(1); ZHANG Mengyue(1); YANG Huijuan(1); ZHOU Jun(2); JIN Tong(1); BAI Ruoshi(2); ZHANG Chen(2)
    (1) Henan Agricultural University / China National Tobacco Cultivation & Physiology & Biochemistry Research Center / Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Beijing Cigarette Factory of Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China
    Experiments were carried out to elucidate the mechanisms of TSNA formation during storage by confirming the participation of nitrogen oxides (NOx) produced from tobacco leaves under high temperature. The contents of NOx in an airtight environment set...
  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...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 07

    NNN levels in stable reduced converter (SRC) and low converter (LC) lines cured under conditions that favor NNN formation

    LUSSO M.F.; LION K.E.; ADAMS A.; MORRIS W.; WAREK U.; STRICKLAND J.A.
    Altria Client Services LLC, Research, Development and Regulatory Affairs, Richmond, VA, U.S.A.
    N-nitrosonornicotine (NNN), a tobacco specific nitrosamine (TSNA) found in cured leaf, filler and smoke, is formed by nornicotine nitrosation. We previously demonstrated a ~75 % reduction of cured leaf NNN content in Burley and dark tobaccos having...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 08

    N-nitrosonornicotine reduction in dark tobacco varieties and smokeless product prototypes

    LUSSO M.F.; ADAMS A.; LEWIS B.; POYNER T.; LION K.E.; DELOACH L.; DANIELSON T.; FRANKE J.E.; WAREK U.; STRICKLAND J.A.
    Altria Client Services LLC, Research, Development and Regulatory Affairs, Richmond, VA, U.S.A.
    During the past decades there has been a substantial effort to reduce the level of the tobacco specific nitrosamine N-nitrosonornicotine (NNN) and its precursor nornicotine in tobacco and tobacco products. Research on the mechanism of nornicotine...
  9. 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,...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 10

    Genetic strategies for sucker control and evaluation

    SHEN Y.; YANG J.; KUDITHIPUDI C.; XU D.; FREDERICK J.; WAREK U.; STRICKLAND J.A.
    Altria Client Services LLC, Research, Development and Regulatory Affairs, Richmond, VA, U.S.A.
    Tobacco plants exhibit strong apical dominance. Molecular signals from shoot apical meristems (SAM) mediate hormonal signals that effectively inhibit axillary bud growth. Upon SAM removal, loss of hormonal signals enables axillary buds to grow into...