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21 results

  1. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 07

    Optimization of prediction model for tobacco leaf dehydration rate during intensive curing process based on machine learning

    DU Haina(1,2); MENG Lingfeng(1); WANG Songfeng(1); ZHANG Binghui(3); HE Dengfeng(4); XUN Xiaohong(5); GAO Jun(6); WANG Aihua(1); LIU Hao(1,2); LI Zengsheng(1,2); SUN Fushan(1)
    (1) Institute of Tobacco Research of CAAS, Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Qingdao, China; (2) Graduate School of Chinese Academy of Agricultural Sciences (CAAS), Beijing, China; (3) CNTC FuJian Corporation, FuZhou, China; (4) CNTC ShanXi Corporation, XiAn, China; (5) Chongqing Tobacco Science Research Institute, Chongqing, China; (6) Liangshan Tobacco Company of Sichuan Province, Xichang, Sichuan, China
    The objective of this study was to quantify the apparent characteristic values of tobacco leaves during the intensive curing process, to grasp the law of changes in water loss, and to achieve precise control of curing process parameters during the...
  2. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 44

    Changes of soil bacterial community structure and its response to soil physicochemical properties after addition of wheat straw and its biochar

    WANG Yi(1,2); SONG Wenjing(2); LIU Zhigang(1); DU Chuanyin(1); GUAN Ensen(1); WANG Xianwei(1); ZHENG Xuebo(1); CONG Ping(1); WANG Shuke(1); MENG Qinghong(1)
    (1) Weifang Tobacco Co., Ltd., Weifang, Shandong, China; (2) Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agriculture Sciences, Qingdao, Shandong, China
    Ecosystem degradation is a major environmental problem in Shandong tobacco-planting soil. Aiming to rationally utilise wheat straw resources to improve soil biological quality, a two-year field experiment was carried out to investigate the changes of...
  3. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 02

    The AP2 transcription factor NtERF172 confers drought resistance by modifying NtCAT

    HU Risheng(1); LI Yangyang(1); LIU Dan(2); ZHAO Qiang(3)
    (1) Hunan Tobacco Research Institute of CNTC, Changsha, Hunan Province, P.R. China; (2) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, P.R. China; (3) College of Horticulture, Qingdao Agricultural University, Qingdao, P.R. China
    Drought stress often limits plant growth and global crop yields. Catalase (CAT)-mediated hydrogen peroxide (H2O2) scavenging plays an important role in the adaptation of plant stress responses, but the transcriptional regulation of the CAT gene in...
  4. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, ST 03

    Method development for the analysis of mono-carbonyl compounds in e-vapor products by LC-MS

    ZHU J.; HEREDIA A.; TWEEDY J.; TAYYARAH R.
    ITG Brands and Fontem USA, Greensboro, NC, U.S.A.
    At the 73rd Tobacco Science Research Conference (TSRC), we presented a novel method for quantitation by LC-MS of mono-carbonyl compounds in e-vapor product aerosol samples. The method is simple and robust with good recoveries. We have since extended...
  5. CORESTA Congress, Kunming, 2018, Plenary Session, IG 02

    Cigarette Variability Task Force study designs, statistical considerations, initial observations, and limitations

    MORTON M.J.(1); TAYYARAH R.(2); FLORA J.(1)
    (1) Altria Client Services LLC, Richmond, VA, U.S.A.; (2) ITG Brands, Greensboro, North Carolina, U.S.A. [Presented as a representative of the CVAR TF]
    The objective of the Cigarette Variability Task Force (CVAR TF) is to examine commercial cigarette variability through testing of select cigarette smoke and tobacco filler constituents plus select physical characteristics. To meet this objective, the...
  7. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 63 (also presented at TSRC 2018)

    Challenges and opportunities in cigar science

    SMITH J.H.(1); AUBUCHON S.M.(1); WAGNER K.A.(1); McKINNEY W.J.(1); GILLMAN I.G.(2); STEVENS R.(3)
    (1) Altria Client Services LLC, Richmond, VA, U.S.A.; (2) Enthalpy Analytical, Inc., Henrico, VA, U.S.A.; (3) ITG Brands LLC, Greensboro, NC, U.S.A.
    An independent Cigar Working Group has been formed by interested cigar stakeholders (e.g. manufacturers and testing laboratories). The goals of the Working Group are to explore opportunities for engagement with the Food and Drug Administration (FDA)...
  8. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 33

    Characterisation and degradable influence factors of carbendazim residues in tobacco leaf

    LI Yiqiang
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong, P.R. China
    A modified QuEChERS combined with LC-MS/MS method to detect and characterise the pesticide residue of carbendazim and three other benzimidazole fungicides in tobacco leaf was developed. The method has successfully indicated the influence of...
  9. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 54

    The regulation of autophagy of susceptible Nicotiana tabacum under tobacco mosaic virus infection

    YANG Jinguang(1); LIU Xaingfu(1); LIU Wei(1); QIAN Yumei(1); ZHANG Jing(2); LI Wei(2); DONG Shifei(2); WANG Yaofeng(3); HUANG Mingdi(4); WANG Fenglong(1)
    (1) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Qingdao, P.R. China; (2) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Qingyang Branch of Gansu Province Tobacco Company, Xifeng, P.R. China; (4) Longnan Tobacco Company, Gansu Tobacco Cooperation, Wudu 746000, P.R. China
    Autophagy (or self-eating) is an important conserved process by which eukaryotic cells recycle intracellular components. This study was undertaken to elucidate whether tobacco mosaic virus (TMV) infection on tobacco plants induced autophagy. TMV-U1...
  10. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, APPOST 16

    Effects of biochar on soil quality and tobacco growth during four years of consecutive application

    LI Jiangzhou(1); JI Sigui(1); ZHANG Limeng(1); QIAO Zhixin(1); ZHANG Qingzhong(2); DAI Kuai(1); JIAO Yongge(1); SHA Chuanping(1)
    (1) Yunnan Tobacco Company, Yuxi Branch, Yuxi City, P.R. China; (2) Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Haidian District, Beijing, P.R. China
    Background: To understand the effects of biochar application on the quality of crop products as well as how biochar tolerance in different soils can benefit the wide use of biochar. Methods: In this study, soil physical-chemical properties, yields...