Search Results

42 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 14

    RNA-Seq analysis of Orobanche resistance in tobacco: development of molecular markers for breeding recessive resistance from Wika tobacco variety

    JULIO E.(1); MALPICA A.(2); COTUCHEAU J.(1); BACHET S.(2); VOLPATTI R.(1); DECORPS C.(1); DORLHAC de BORNE F.(1)
    (1) Imperial Tobacco Limited, Leaf Research, Bergerac, France; (2) Bergerac Seed and Breeding, Bergerac, France
    Orobanche spp. (broomrape) is an obligate root parasite that can attack a wide spectrum of plants, including tobacco. It is responsible for economic losses in Europe since 2002 and its incidence in many tobacco growing countries is increasing. Preventive ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 11

    Field trials with low nicotine tobacco varieties developed by conventional breeding technique: first results

    MALPICA A.(1); EVANS W.(2); ARCHIBALD C.(3); SCOTT L.(4); GARWE D.(5); CHAMANGO A.M.Z.(6); DORLHAC de BORNE F.(7); COLARD S.(8)
    (1) Bergerac Seed and Breeding, Bergerac, France; (2) Imperial Tobacco South Africa Pvt. Ltd, Umhlanga, Durban, South Africa; (3) Alliance One International Services, Camberley, Surrey, U.K.; (4) Universal Leaf Tobacco Co., Richmond, VA, U.S.A.; (5) Tobacco Research Board (TRB), Harare, Zimbabwe; (6) Agricultural Research & Extension Trust (ARET), Lilongwe, Malawi; (7) Imperial Tobacco Limited, Bergerac, France; (8) SEITA - Imperial Brands plc, Paris, France
    In 2015, the World Health Organisation (WHO) Study Group on Tobacco Product Regulation (“TobReg”) issued an advisory note recommending a strategy of reducing nicotine in tobacco to substantially lower levels of 0.4 mg/g. In the U.S., the Food and Drug ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 42

    Progress in development of a high-throughput phenotyping test as breeding tool for broomrape resistance in tobacco: an overview of results

    MALPICA A.(1); VERRIER J.-L.(1); BACHET S.(1); BEN JEMAA F.(2); POUVRAUD J.-B.(2); SIMIER P.
    (1) Bergerac Seed & Breeding, Bergerac, France; (2) Laboratoire de Biologie et de Pathologie Végétale, Nantes University, Nantes, France
    Tobacco broomrape (Phelipanche ramosa) is a widespread parasitic plant that causes serious damage in some countries. Selection of resistant varieties is an essential pillar of an integrated broomrape control strategy but research performed on broomrape ...
  4. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 07

    Breeding for blue-mould resistance in Burley and flue-cured tobacco: an overview of results

    VERRIER J.L.; MALPICA A.; L’HUMEAU J.
    Bergerac Seed & Breeding, Bergerac, France
    Conventional, non-GMO blue-mould (Peronospora tabacina) resistance has been transferred to Nicotiana tabacum L. from interspecific hybridisation works tracing back to years 1965-70, involving in particular the species Nicotiana debneyi. Partial resistance ...
  5. 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 and ...
  6. CORESTA Congress, Berlin, 2016, Plenary Session, Invited Speaker 02

    Sixty years of tobacco agronomy: evolutions and challenges

    VERRIER J.L.(1); PAPENFUS H.D.(2); PRAT. M.(3)
    (1) Bergerac Seed & Breeding, Bergerac, France; (2) Alliance One International Services Ltd., Camberley, Surrey, U.K.; (3) JT International Germany GmbH, Trier, Germany
    Tobacco leaf is a challenging production, labour-intensive, requiring special skills and competences at all steps. In the last century, this prompted tobacco producing countries to establishing institutes or university extension services, to perform ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 27

    Analysis of process intensity on tobacco moisture retention based on uniform design

    LI Wenjuan(1); ZHOU Fangfang(1); LONG Minghai(1); ZI Wenhua(1); JIANG Meihong(1); LIU Ze(2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, Yunnan, P.R. China; (2) Hongyun Honghe Group, Kunming, Kunming, P.R. China
    Tobacco moisture retention provides essential information about moisture adsorption behaviour and physical characteristics of cigarette formulating, which also influence cigarette aroma and smoking quality. Effect of the intensity of the casing process on ...