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, 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 ...
  3. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 51

    Potato virus Y (PVY) resistance in tobacco: identification of an alternative source of resistance against PVY resistant breaking variant

    JULIO E.(1); COTUCHEAU J.(1); DECORPS C.(1); VOLPATTI R.(1); MICHEL V.(2); GERMAN RETANA S.(2); DECROCQ V.(2); CANDRESSE T.(2); DORLHAC DE BORNE F.(1)
    (1) Imperial Tobacco, Bergerac, France; (2) UMR 1332 BFP, INRA, Univ Bordeaux, Villenave d'Ornon, France
    Potato virus Y (PVY) is one of the most damaging viruses on tobacco worldwide. This virus is responsible for mosaic or necrotic symptoms depending on the PVY strain. Aggressive PVY necrotic strains can lead to considerable yield losses. A large deletion ...
  4. 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 ...
  5. 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 products ...
  6. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 20

    Characterisation and comparison of French and Brazilian potato virus Y (PVY) isolates collected from PVY-susceptible or -resistant tobacco plants carrying the recessive resistance gene va

    LACROIX C.(1,2*a) ; GLAIS L.(3); KERLAN C.(1); CHARLIER C.(4); JANZAC B.(1,2); LORENCETTI C.(5); MORNET F.(6); CAILLETEAU B.(2); VERRIER J-L.(2); JACQUOT E.(1*b)
    (1) INRA-Agrocampus Ouest-Université Rennes1, UMR1349 IGEPP (Institute of Genetic, Environment and Plant Protection), Le Rheu, France; (2) Imperial Tobacco Group, SEITA, Institut du Tabac, Bergerac, France; (3) FNPPPT (Fédération Nationale des Producteurs de Plants de Pomme de Terre), Paris, France; (4) Universidade de Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil; (5) Alliance One Brasil Exportadora de Tabacos Ltda, Vera cruz, RS, Brazil; (6) ANITTA, Bergerac, France
    Improved tobacco cultivars possessing alleles of the “ va ” recessive resistance gene have been deployed worldwide to mitigate consequences of potato virus Y (PVY) infections. Unfortunately, necrotic PVY symptoms were reported, suggesting that PVY is able ...
  7. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 21

    Evolutionary pathways of potato virus Y adaption to the resistance gene va in Nicotiana tabacum and impacts for resistance management

    JANZAC B.(1,2); LACROIX C.(1,2*a); TRIBODET M.(1); VERRIER J-L.(2); JACQUOT E.(1*b)
    (1) INRA-Agrocampus Ouest-Université Rennes1, UMR1349 IGEPP (Institute of Genetic, Environment and Plant Protection), Le Rheu, France; (2) Imperial Tobacco Group, SEITA, Institut du Tabac, Bergerac, FranceInteractions), Montpellier, France
    Since the use of tobacco cultivars carrying allelic forms (0, 1 or 2) of the recessive resistance gene va, symptoms associated to PVY infection have often been reported, which suggests viral adaptation to these allelic forms. Biological and serological ...
  8. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPTPOST 11

    Simultaneous quantification of 4-hydroxy coumarin, coumarin, 6-methyl coumarin and eugenol in cigarette filler and in mainstream smoke using HPLC-PDA

    MEHTA S.K.; RAGHU H.S.; SANGLI N.D.; GOURISANKAR S.
    ITC R&D Centre, ITC Ltd., Bengalaru, India
    Eugenol is the main volatile compound of extracted oil from clove bud (S. aromaticum L.) that is used in traditional medicine as a bactericide, fungicide and anaesthetic. Coumarin has long been used by the tobacco industry as an additive in cigarettes. ...
  9. CORESTA Congress, Edinburgh, 2010, SSPT 19

    Determination of total alkaloids as nicotine in tobacco by continuous flow analyzer using stable and safer reagents

    MEHTA S.K.; RAJESH B.J.; DHALEWADIKAR S.V.
    ITC R&D Center, Tobacco and Tobacco Products Laboratory, Bangalore, India
    ISO 15152:2003 describes analysis of total alkaloids as nicotine (TNA) in tobacco using continuous flow analyzer. It is based on the measurement of the colour complex generated by the reaction of cyanogen chloride and nicotine alkaloids. Cyanogen chloride ...