Search Results

84 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 07

    Float water alkalinity adjustment in organic seedling production

    VANN M.C.(1); STEVENS D.A.(1); SHORT M.(1); McGINNIS M.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services – Agronomic Division, Raleigh, NC, U.S.A.
    Float water bicarbonate (HCO 3-) concentration in excess of 2.0 meq/L (100 ppm) can result in stunted, unusable seedlings unless neutralized. In conventional greenhouse systems, sulfuric acid is used for this purpose; however, it is not currently approved ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 09

    Chloride application: effects to nutrient assimilation, agronomic performance, and cured leaf chemistry of flue-cured tobacco

    VANN M.C.(1); FISHER L.R.(1); INMAN M.D.(1); HARDY D.H.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services – Agronomic Division, Raleigh, NC, U.S.A.
    Chloride (Cl-) application in excess of 34 kg ha-1 has generally been discouraged in the production of U.S. flue-cured tobacco, due to the negative effects the nutrient can have on cured leaf yield, quality, and smoke sensory. However, fertilizer blending ...
  3. 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 ...
  4. 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 ...
  5. 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 ...
  6. 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 ...
  7. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 16

    The effect of potassium application rate, application method and timing on the yield and quality of flue-cured tobacco

    VANN M.C.(1); FISHER L.R.(1); JORDAN D.L.(1); SMITH W.D.(2); HARDY D.L.(3); STEWART A.M.(4)
    (1) North Carolina State University, Department of Crop Science, Raleigh, NC, USA; (2) North Carolina State University, Administration-Research Services, Raleigh, NC, USA; (3) North Carolina Department of Agriculture & Consumer Services, Agronomic Division, Raleigh, NC, USA; (4) North Carolina Department of Agriculture & Consumer Services, Research Stations Division, Raleigh, NC, USA
    With rising input costs, growing environmental concerns, and new higher yielding cultivars, potassium fertilizer recommendations for tobacco must be accurate. Research was conducted in North Carolina to evaluate the effect of potassium rate and ...
  8. CORESTA Congress, Sapporo, 2012, Plenary Session, abstr. IG 01

    Current status of the field testing program for pesticide residues in North Carolina flue-curedtobacco

    VANN M.C.(1); FISHER L.R.(1); PRIEST J.A.(1); WHITLEY D.S.(1); STEWART A.M.(2)
    (1) North Carolina State University, Department of Crop Science, Raleigh, NC, USA; (2) North Carolina Department of Agriculture & Consumer Services, Research Stations Division, Raleigh, NC, USA
    Pesticide residues on tobacco have received increasing attention in recent years. While pesticide residue evaluations have been conducted for many years in tobacco, recent legislation granting the Food and Drug Administration regulatory oversight of ...
  9. 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. ...