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163 results

  1. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 01

    Study of fungicides effect of Vista and Nativo on tobacco collar rot (Sclerotinia sclerotiorum) in Northern Iran

    SAJJADI A.; NAJAFI M.R.; HOSSEINI A.; MASOUDI A.; SAFFAR F.
    Tirtash Tobacco Research and Education Center, Behshar, Iran
    The Sclerotinia sclerotiorum Bary fungi causes collar rot in the tobacco seedlings in the seedbed. The purpose of this project was to carry out a performance survey of the fungicides Vista (active ingredient Tricyclazole 37.5 % + Thiophanate methyl...
  2. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 02

    Production of wettable powder biopesticide formulation from two superior Bacillus thuringiensis strains native to Northern Iran

    SHAZDEH AHMADI M.; SAJJADI A.; SALEHI JOUZANI Gh.R.; ASSEMI H.; SHAHADATI MOGHADAM Z.
    Tirtash Tobacco Research and Education Center, Behshar, Iran
    Biological pest control agents have many advantages such as low risk, low cost and specific effect. They can be an effective alternative to conventional chemical insecticides. Bacillus thuringiensis (Bt) is the most widely used biopesticide due to...
  3. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 03

    Field evaluation of the efficacy of formulations produced from Bacillus thuringiensis (Bt) and nuclear polyhedrosis virus (NPV) isolates native to Northern Iran against Helicoverpa armigera

    SHAZDEH AHMADI M.; SAJJADI A.; SALEHI JOUZANI Gh.R.; ASSEMI H.; SHAHADATI MOGHADAM Z.
    Tirtash Tobacco Research and Education Center, Behshar, Iran
    Tobacco bud worm (Helicoverpa armigera) is one of the most destructive pests of tobacco that can cause severe reduction in both quality and yield. Bacillus thuringiensis (Bt) is an important and successful insect pathogen, with many advantages....
  4. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 07

    Evaluation of the effects of organic and chemical fertilizer on quality and yield of flue-cured tobacco under irrigated and rainfed conditions

    AHMADI M.(1); MOHSENZADEH R.(1); DAVANLO A.(1); YAGHOBI Y.(1); SHAHADATI MOGHADAM Z.(1); GHOLIZADEH A.Gh.(1); ALINEJAD R.(1); HOSSEINI A.(1); SALAVATI M.R.(1); NOROZI A.(2); LATIFI N.(3); DASTA N.(2)
    (1) Tirtash Tobacco Research and Education Center, Behshar, Iran; (2) Azad University, Iran; (3) Gorgan University of Agricultural Science and Natural Resources, Iran
    Traditional agricultural practices reduce organic matter and soil fertility and also cause a reduction in quality and yield in many parts of the world. Therefore, attention to the preservation of soil organic matter seems necessary. Also, in order to...
  5. 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...
  6. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, STPOST 09

    Study of thermal decomposition of Iranian Virginia tobacco components

    MORADI ROBATI G.R.; SAJJADI A.; SALAVATI M.R.
    Tirtash Tobacco Research and Education Center, Behshar, Iran
    The object of this study was to investigate the thermal decomposition of different parts of Virginia tobacco. Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) curves resulting from thermal decomposition of tobacco components...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 21

    A model based on cigarette density segmentation method for predicting burning cone drop rate of slim cigarettes

    TAN Chao; WANG Shitai; JIN Yong; CHEN Qian; TAN Haifeng; LI Ke; FAN Hongmei; LIU Qi; LI Rui; YU Saibo
    China Tobacco Hunan Industrial Co., Ltd. of CNTC, Hunan, P.R. China
    Burning cone drop is a potential safety problem and quality defect for slim cigarettes. In order to conveniently monitor the burning cone drop rate, a model based on cigarette density segmentation method was established and used for predicting the...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 45

    Meta-analysis of two biomarkers of exposure of tobacco products

    AYALA-FIERRO F.(1); ELAMIN A.(2); FROST-PINEDA K.(3); JIN T.(3); PRASAD G.L.(3); SARKAR M.(4); SCHMIDT E.(3); VERRON T.(5)
    (1) ITG Brands LLC, Greensboro, NC, U.S.A.; (2) PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland; (3) RAI Services Company, Winston-Salem, NC, U.S.A.; (4) Altria Client Services LLC, Richmond, VA, U.S.A.; (5) SEITA - Imperial Brands, Paris, France
    In the context of tobacco products, broadly two types of biomarkers exist, biomarkers of exposure (BoE) and biomarkers of potential harm (BoPH). BoE measure exposure to tobacco constituents, e.g. carbon monoxide (CO) and nicotine equivalents (NEQs)....
  9. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 02

    Electro-thermal simulation analysis of heaters in tobacco heating devices

    SUN Zhiwei(1); WANG Wei(1); DU Wen(1); WEN Jianhui(1); XIE Guoyong(1); WANG Zhiguo(1); DAI Hongliang(2)
    (1) China Tobacco Hunan Industrial Co., Ltd., Changsha, P.R. China; (2) College of Mechanical and Vehicle Engineering, Hunan University, Changsha, P.R. China
    Heat-not-burn tobacco products have gradually become an important development direction and a key research topic of tobacco products due to their remarkable advantages in reducing the release of harmful components. As a heat source for cigarette...