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  1. CORESTA Meeting, Agronomy/Phytopathology, 2023, Cancun, APPOST 19

    Automatic discrimination planting areas of flue-cured tobacco based on near-infrared spectroscopy technology and support vector machine improved by whale optimization algorithm

    QIU Changgui(1,2); LIU Ze(3); QI Lin(4); YANG Jingjin(4); WANG Xianguo(4); WENG Ruijie(4); LIU Jihui(4); WEI Qing(1); LIU Jing(1,2); YANG Panpan(1,2); LI Siyuan(4)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    A study was carried out to accurately and rapidly identify planting areas of flue-cured tobacco. A total of 201 flue-cured tobacco samples from three different areas in Kunming, Honghe and Qujing, Yunnan Province were selected for the study. After...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, ST 16

    An approach to review pharmacokinetic studies of tobacco-free oral nicotine delivery products to enable product comparison

    VERRON T.(1); CAHOURS X.(1); NAHDE T.(2)
    (1) Imperial Tobacco - SEITA, Paris, France; (2) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany
    One of the most recent nicotine delivery product innovations is tobacco-free oral nicotine pouches (OND), which are available in an increasing number of countries as a potentially less harmful alternative to continued cigarettes smoking. These...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, ST 34

    Assessing the potential impact of e-cigarette policies on smoking prevalence: a European Union study

    CAHOURS X.(1); VERRON T.(1); NAHDE T.(2); PARKER R.(1)
    (1) Imperial Tobacco - SEITA, Paris, France; (2) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany
    The impact of tobacco control policies on smoking prevalence in European Union countries has been heavily studied, with higher levels of policy implementation linked to decreased smoking prevalence. However, there has been a lack of research on the...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, ST 39

    Analysis of tobacco stem shaping effect based on compression-set

    LIU Ze(1); QIU Changgui(2); ZUO Wen(3); LI Siyuan(3); YANG Ji(1); LI Zhenjie(1); HE Banghua(1); FU Liang(1); YANG Qianxu(1); ZHOU Yuanzhen(3); YANG Hongming(1); ZHOU Guofu(1)
    (1) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    In order to investigate the technical basis of the heavy rolling process for tobacco stems, the relationships between compression-set of tobacco stems and several influencing factors including stem structure, moisture content and roller clearance...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2023, Cancun, STPOST 24

    Humectant ability and bilateral humectant method construction for cigarette components

    QIU Changgui(1,2); LIU Ze(3); ZUO Wen(4); LI Siyuan(4); HUA Yikun(4); LIU Jing(1,2); FU Liang(3); QI Lin(4); MA Ning(3); ZHU Yemei(1,2); HE Banghua(3); YANG Panpan(1,2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    In order to study the humectant ability and bilateral humectant effect of cigarette components, the desorption curve of cut tobacco and cut stem and the area of various water activities were quantified by GAB model integral, and a humectant direction...
  6. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 31

    Management of whitefly Bemisia tabaci, a vector of tobacco leaf curl virus disease in Virginia tobacco

    SREEDHAR U.; SAILAJA JAYASEKHARAN B.; VENKATESWARLU V.
    ICAR - Central Tobacco Research Institute, Rajahmundry, India
    Tobacco whitefly, Bemisia tabaci is an important pest of tobacco. It causes damage by sucking the sap and as a vector of tobacco leaf curl virus resulting in considerable loss of yield and quality. In the recent past, the incidence of leaf curl virus...
  7. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 32

    Habitat management for the enhancement of arthropod services in flue-cured Virginia tobacco

    SAILAJA JAYASEKHARAN B.; SREEDHAR U.; VENKATESWARLU V.
    ICAR - Central Tobacco Research Institute, Rajahmundry, India
    Arthropods are a phylum of animals with jointed legs, which includes insects. They offer a wide range of ecosystem services, like nurturing the soil health, pollination, seed dispersal, pest management etc. The objective of the research was to study...
  8. CORESTA Congress, Online, 2022, Smoke Science/Product Technology Groups, ST 80

    Analysis of absorption hysteresis of different cigarette blends based on adsorption thermodynamics method

    QIU Changgui(1,2); LIU Ze(3); WEI Qing(1); HE Banghua(3); YANG Qianxu(3); LIU Jing(1,2); LI Siyuan(4); WANG Zeyu(4); ZUO Wen(4); YANG Lan(4); GUO Miaomiao(3)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    In order to study the isothermal adsorption characteristics for cut tobacco, cut stem and cut reconstituted tobacco, the adsorption hysteresis was quantified using the definite integral expression of GAB model, and the isosteric adsorption heat of...
  9. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 08

    An update to the molecular markers used for rapid screening of pathogen resistant plants

    JULIO E.(1); COTUCHEAU J.(1); VOLPATTI R.(1); DECORPS C.(1); VERRON T.(2); CAHOURS X.(2); DORLHAC DE BORNE F.(1)
    (1) Imperial Brands, Leaf Research, Bergerac, France; (2) Imperial Brands, Scientific Research, Paris, France
    Due to cheaper costs associated with next generation sequencing (NGS) technologies, the availability of transcriptomic and genomic information has enabled the characterization of new molecular markers related to important agronomic traits. Today,...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 31

    High quality genome assembly of Nicotiana tabacum

    GAYSSANT H.(1); DARNIGE E.(1); COTUCHEAU J.(2); DORLHAC DE BORNE F.(2); JULIO E.(2); ZOUINE M.(1)
    (1) Laboratoire de Recherche en Sciences Végétales (LRSV), Université de Toulouse, CNRS, UPS, Toulouse INP, Castanet-Tolosan, France; (2) Imperial Tobacco Limited and Imperial Brands PLC Companies, Bergerac, France
    Nicotiana tabacum, or cultivated tobacco, is an important plant model whose genome has been explored recently. However, the previous tobacco assemblies based on short reads sequencing showed some flaws. Thanks to new sequencing technologies, the...