Search Results

46 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 04

    Pest and disease surveillance in flue-cured tobacco growing zones of India

    REDDY B.S.R.; SWAMY S.; MANI M.
    ITC Ltd, Agri Business Division, Research Department, Rajahmundry, A.P, India
    Pest and disease are major yield limiting factors in tobacco production and these biotic factors reduce the productivity besides affecting the quality of leaf. The control of these pest and diseases warrant more pesticide usage resulting in pesticide...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 35

    Different population modeling approaches lead to directionally similar conclusions about the potential for tobacco harm reduction

    BACHAND A.(1); SULSKY S.(1); CURTIN G.(2)
    (1) Ramboll U.S. Corp., Amherst, MA, U.S.A.; (2) RAI Services Co., Winston-Salem, NC, U.S.A.
    There are a number of dynamic population models that can be used to quantify the overall population health effects of beneficial and/or harmful changes in tobacco use patterns. These models can be broadly categorized as either following a single...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 36 (also presented at TSRC 2018)

    Multi-dimensional tipping point analyses: Assessing simultaneous shifts in tobacco use patterns from a higher to a lower risk product

    BACHAND A.(1); SULSKY S.(1); CURTIN G.(2)
    (1) Ramboll U.S. Corp., Amherst, MA, U.S.A.; (2) RAI Services Co., Winston-Salem, NC, U.S.A.
    The Dynamic Population Modeler (DPM(+1)) employs a birth cohort framework to estimate effects on population mortality if tobacco use patterns shift from a higher- to lower-risk product. DPM(+1) allows for evaluation of changes in use patterns within...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 56

    Photoionization time-of-flight mass spectrometry as a tool for the identification of selected isomers in the gas phase of mainstream cigarette smoke

    HU Yonghua(1); WANG Jian(1); TIAN Zhenfeng(1); CHEN Kaibo(1); XU Yingbo(1); PAN Yang(2)
    (1) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei, Anhui, P.R. China; (2) National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, P.R. China
    To identify selected isomers in the gas phase of mainstream cigarette smoke, an on-line measurement system with a photoionization unit was built. With this instrument, photoionization efficiency (PIE) curves for constituents in the gas phase of...
  5. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 15

    Fertigation of flue-cured tobacco with a combination of water soluble and straight fertilisers, for enhancing nitrogen and potassium use efficiency

    MAHESH M.N.V.A.; RAMAKRISHNA B.; MANI M.; SRINIVAS P.
    ITC Limited - Agri Business Division-ILTD, Research Department, Rajahmundry, Andhra Pradesh, India
    Nutrient application through drip irrigation (fertigation) with water soluble fertilisers, is an established practice to achieve nutrient use efficiency in flue-cured tobacco production. However, there has been a steady price escalation and erratic...
  6. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 65

    Management of Orobanche in flue-cured tobacco in India

    REDDY B.S.R.; SWAMY S.; MANI M.
    ITC Limited - Agri Business Division-ILTD, Research Department, Rajahmundry, Andhra Pradesh, India
    Orobanche (Orobanche cernua Loefl.) is a serious root parasite infesting tobacco roots in Northern Light Soil (NLS), Traditional and Mysore tobacco growing regions of India. The yield losses were ranging from 30-70% and plants show the symptoms of...
  7. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 45

    Status of benzo[a]pyrene in commonly consumed food products and in selected environments: a review

    TYAGI K.; DINESH T.K.; SUDESNA P.; SATHISH KUMAR D.
    ITC Limited, ITC Life Sciences & Technology Centre, Bengaluru, India
    Benzo[a]pyrene (B[a]P) is an extensively studied compound among the polycyclic aromatic hydrocarbons (PAHs) in commonly consumed products and in the environment. B[a]P is formed due to incomplete combustion of organic matter and commonly consumed...
  8. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 22

    Mapping of two white stem genes in tetraploid common tobacco (Nicotiana tabacum L.)

    WU Qingzhang; WU Xinru; ZHANG Xuefeng; JIANG Caihong; WANG Yuanying; LIU Guanshan
    Chinese Academy of Agricultural Sciences, Tobacco Research Institute, Qingdao, P.R. China
    Leaf colour is an indicator of chlorophyll (Chl) level and isolating leaf colour mutants can facilitate the understanding of Chl metabolism regulation. Here we describe an ethyl methanesulfonate-induced light colour mutant white stem 1 (ws1) in...
  9. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 35

    Screening, identification and characterisation of an Arthrobacter sp. strain MC-10 capable of degrading quinclorac

    CHEN Dexin(1); ZHANG Shun(1,2); HUANG Guolian(3); XU Jialai(4); LI Bin(5); LI Hongguang(3)
    (1) Qingzhou Tobacco Research Institute of CNTC, Qingdao, P.R. China; (2) Chinese Academy of Agricultural Sciences, Graduate School, Beijing, P.R. China; (3) Hunan Chenzhou Tobacco Company, Chenzhou, P.R. China; (4) Shandong Tobacco Research Institute, Ji’nan, P.R. China; (5) Sichuan Tobacco Company, Chengdu, P.R. China
    The objective of this study was to screen strains able to degrade quinclorac efficiently. The strains were isolated from the perennial administration quinclorac paddy fields. The strain MC-10, which can degrade quinclorac efficiently, was screened by...
  10. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 51

    Degradation and residue levels of triadimefon and its toxic metabolite in tobacco leaf

    LI Yiqiang(1); YANG Liqiang(1,2); LIU Wanfeng(3); XU Guangjun(1); SUN Jianhong(2); CAO Shoutao(2); GAO Yun(2); XU Jinli(1); ZHENG Xiao(1)
    (1) Qingzhou Tobacco Research Institute of China National Tobacco Corporation, Qingdao, Shandong, P.R. China; (2) China Tobacco Shandong Industrial Co., Ltd, Jinan, Shandong, P.R. China; (3) China Tobacco Hunan Industrial Co., Ltd, Changsha, Hunan, P.R. China
    In order to further study about different factors of pesticide residues and dissipation characteristics of triadimefon and its metabolite, and provide scientific data for MRLs and proper use of pesticide on tobacco, the dissipation and residue of...