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177 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 17

    Variation of soil potassium quantity-intensity relationship in flue-cured tobacco-rape rotation system under long-term located potassium application

    DAI Kuai(1); LI Jiangzhou(1); ZHANG Limeng(1); JI Sigui(1); LONG Huaiyu(2); XU Zhaoli(3); DUAN Yuqi(3); YANG Yuhong(3); LU Xiuping(3); JIAO Yongge(1); BU Lingduo(1)
    (1) Yunnan Tobacco Company Yuxi Branch/Biological Control of Tobacco Diseases and Insect Pests Engineering Research Center of China, Yuxi, P.R. China; (2) Institute of Agriculture Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China; (3) Yunnan Tobacco Agriculture Research Institute, Kunming 650031, P.R. China
    The aim of this study was to explore the effect of long-term potassium application on soil potassium supply capacity, so as to provide certain scientific basis for rationalising potassium application and continuing research on the development of ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 07

    Effects of wheat straw and biochar addition on physiochemical properties and organic carbon fractions in flue-cured tobacco planting soil

    WANG Yi; ZHANG Junqing; KUANG Shuai; GUAN Ensen; ZHUO Qicui; SONG Xiaopei; LU Weilong; WANG Dahai; LIU Yuedong; ZHANG Jiguang
    Weifang Tobacco Co., Ltd of Shandong Province of CNTC, Weifang, P.R. China; Ministry of Agriculture, Tobacco Research Institute, Chinese Academy of Agriculture Sciences, Qingdao, P.R. China
    Soil organic carbon (SOC) is the core component in maintaining soil fertility. However, soil total organic carbon (TOC) gains and losses are difficult to distinguish over a short time period. Previous studies showed that labile organic carbon fractions, ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 30

    Assessment of within-package and lot-to-lot variability associated with quartz collection pads in the determination of metals in aerosol

    WAGSTAFF W.; JOZA P.; PAICO-AVILEZ H.; ZHENG T.; DONISA C.; RODRIGUEZ-LAFUENTE A.
    Labstat International Inc., Kitchener, ON, Canada
    Determining aerosol metals routinely requires an assessment of differences between test sample aerosol results and collection blanks. When using pad collection principles, the background levels associated with metals from the quartz pad can make the ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 14

    Determination of untargeted compounds in e-liquids using high-performance liquid chromatography-time of flight-mass spectrometry (LC-ToF-MS)

    CHALCRAFT K.; JOZA P.; BIERNACKA P.; LI D.
    Labstat International Inc., Kitchener, ON, Canada
    Techniques like headspace-solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GCMS) can identify a wide range of volatile and semi-volatile compounds in e-liquids associated with flavor active compounds of different classes. The ...
  5. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 23

    A statistical analysis of variability in polyaromatic hydrocarbons (PAHs) from reference and commercial cigarettes

    WAGSTAFF W.; RICKERT W.; JOZA P.
    Labstat international ULC, Kitchener, Ontario, Canada
    This study was conducted to characterize the variability of mainstream PAH emissions data and to investigate the ability to detect differences amongst products. The mainstream yields of a reference cigarette (Kentucky Reference 3R4F) were obtained for a ...
  6. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 049

    Assessment of in vitro toxicity/genotoxicity of ends and combustible products

    JORDAN K.(1); BOMBICK B.(1); COOPER B.(1); LEVERETTE R.(1); SHUTSKY T.(1); WEST C.(1); STRASSER J.(1); ROUND E.(1); MARANO K.M.(1); MOMIN R.(2); TRIVEDI A.(2); WAGSTAFF W.(2); BRUCE S.(3); DAKOULAS E.(3); ROY S.(3)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) Labstat International ULC, Kitchener, ON, Canada; (3) BioReliance Corp, Rockville, MD, USA
    In May 2016, the U.S. Food and Drug Administration Center for Tobacco Products (CTP) issued draft guidance for Premarket Tobacco Product Applications (PMTA) for Electronic Nicotine Delivery Systems (ENDS), which recommends inclusion of in vitro toxicology ...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 54

    Cucumber mosaic virus-IB induced endoplasmic reticular stress in Nicotiana benthamiana

    SHEN Lili; LI Fangfang; HE Qingyun; LI Ying; YANG Jinguang; WANG Fenglong
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong, P.R. China
    The cellular translation machinery is hijacked by large amounts of viral proteins upon virus infection. The unfolded proteins accumulated in the endoplasmic reticulum (ER) results in ER stress (ERs), which triggers the unfolded protein response (UPR) or ...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 56

    Cloning and expression induced by TMV of a pathogenesis related protein gene NtPR10 in tobacco (Nicotiana tabacum)

    ZHANG Yu; ZHANG Zenglin; JIANG Caihong; CHANG Aixia; YANG Aiguo; LUO Chenggang; WANG Shaomei; WANG Yuanying
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong, P.R. China
    In order to investigate the biological function of tobacco pathogenesis-related protein PR10, NtPR10 was obtained from the tobacco G28, which is 483bp in length, encoding 160 amino acids. This NtPR10 belongs to pathogenesis related protein family ...