Search Results

85 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 20

    Implications of chloride application rate and nitrogen fertilizer source on flue-cured tobacco

    VANN M.C.(1); HARDY D.H.(2); FISHER L.R.(1)
    (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-) assimilation by flue-cured tobacco can be toxic and may negatively impact leaf quality and combustion when tissue concentration exceeds 1 %. Uptake is influenced by exposure to NH 4 + and Cl-, particularly that coming from fertilizer. The ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 40

    Progress in breeding and biocontrol dual approaches for tobacco broomrape management

    MALPICA A.(1); GUINCHARD L.(2); BACHET S.(1); VACHER C.(3); GATARD L.(4); REIBEL C.(2); GAUTHERON N.(2); EDELHERMANN V.(2); STEINBERG C.(2); GIBOT LECLERC S.(2)
    (1) Bergerac Seed & Breeding, Bergerac, France; (2) Agroécologie (AgroSup Dijon, INRA, Univ. Bourgogne Franche-Comté), Dijon, France; (3) Arvalis, Institut du Vegetal, Bergerac, France; (4) Coopérative CT2F, Maison de l’Agriculture, Schiltigheim, France
    Tobacco broomrape (Phelipanche ramosa, Phelipanche aegyptiaca and Orobanche Cernua) is a widespread parasitic plant from the Orobanchaceae family, that causes important damage in tobacco crops. Broomrape is mainly present in Europe, Middle East and Asia ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 43

    Tobacco crop protection against blue mould: what strategy with organic and biocontrol products?

    KANE K.(1); LEROY J-L.(1); VALADE P.(1); GOUDOUNECHE J-L.(1); GUERY B.(2); BRAY O.(3); MECHENIN V.(3); TARASCOU M.(3); SALGADO J.(3)
    (1) Arvalis Institut du Végétal, Bergerac, France; (2) Service Régional de l'Alimentation (SRAL) Aquitaine - Direction Générale de l’Alimentation (DGAL), France; (3) Fédération Régionale de Défense contre les Organismes Nuisibles (FREDON) Aquitaine, Villenave-d'Ornon, France
    Blue mould, Peronospora tabacina, is one of the most dangerous diseases for tobacco crops in Europe and particularly in France. Protection against this disease is systematic during the period of high risk as all registered crop protection agents are ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 23 (also presented at TSRC 2019)

    Functional filter plug wrap paper for control of the thermal energy of the aerosol from heated tobacco products (HTPs)

    LINDNER M.; LEICHSENRING N.
    (1) TANNPAPIER GmbH, Traun, Austria; (2) Hauni Maschinenbau GmbH, Hamburg, Germany
    Next generation products, which include all kinds of e-vapour items as well as heated tobacco products (HTPs or “heat sticks”), have successfully entered the tobacco market in addition to conventionally combustible cigarettes. From the basic geometrical ...
  5. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 109 (also presented at CORESTA SSPT2019)

    Functional filter plug wrap paper for the control of the thermal energy of the aerosol from heated tobacco products

    LINDNER M.(1); LEICHSENRING N.(2)
    (1) TANNPAPIER, Traun, Austria; (2) Hauni Maschinenbau, Hamburg, Germany
    Next generation products, which include all kinds of e-vapor items as well as heated tobacco products (HTPs or “heat sticks”), have successfully entered the tobacco market in addition to conventionally combustible cigarettes. From the basic geometrical ...
  6. 48th TWC, Tob. Work. Conf., 2018, abstr. 09

    Evaluation of NCDA&CS boron sufficiency ranges for flue-cured tobacco

    JERNIGAN C.H.(1); HARDY D.H.(1); HICKS K.A.(1); McGINNIS M.S.(1); FISHER L.R.(2); VANN M.C.(2)
    (1) North Carolina Department of Agriculture and Consumer Services, Raleigh NC USA; (2) North Carolina State University, Raleigh NC USA
    Boron (B) is an essential micronutrient for optimum plant growth of flue-cured tobacco and is required in trace amounts (<1.0 lb B/acre). Since use of premium tobacco fertilizer grades that contain trace amounts of B are not typical in today’s ...
  7. 48th TWC, Tob. Work. Conf., 2018, abstr. 17

    Organic transplant production: an evaluation of nitrogen fertility programs

    VANN M.C.(1); FISHER L.R.(1); SEAGROVES R.(1); McGINNIS M.(2)
    (1) North Carolina State University, Raleigh NC USA; (2) North Carolina Department of Agriculture and Consumer Services, Raleigh NC USA
    Organic tobacco production in North Carolina has increased in recent years. Despite increasing interest, little is known regarding the appropriate management of organic nitrogen sources in a seedling float system. Research was conducted to evaluate three ...
  8. 48th TWC, Tob. Work. Conf., 2018, abstr. 18

    Evaluations of float water aeration in organic transplant production

    FISHER L.R.(1); VANN M.C.(1); SEAGROVES R.(1); McGINNIS M.(2)
    (1) North Carolina State University, Raleigh NC USA; (2) North Carolina Department of Agriculture and Consumer Services, Raleigh NC USA
    At present, the effects of float bed aeration in the production of organic tobacco seedlings are not known. Research was conducted to evaluate two organic nitrogen fertilizer programs and their effects to float water nutrient concentration and seedling ...
  9. 48th TWC, Tob. Work. Conf., 2018, abstr. 20

    Screening of acidifying chemicals for use in the production of organic tobacco seedlings

    VANN M.C.(1); SEAGROVES R.(1); SHORT M.(1); McGINNIS M.(2)
    (1) North Carolina State University, Raleigh NC USA; (2) North Carolina Department of Agriculture and Consumer Services, Raleigh NC USA
    Float water bicarbonate concentration in excess of 2.0 meq/L (100 ppm) can result in stunted, unusable seedlings unless float water is acidified. In conventional greenhouse systems, sulfuric acid is used for this purpose; however, that chemical is not ...
  10. 48th TWC, Tob. Work. Conf., 2018, abstr. 84

    Influence of Quadris fungicide and foliar fertilizer brands on the holdability of flue-cured tobacco

    WHALEY W.T.; JERNIGAN C.H.
    North Carolina Department of Agriculture and Consumer Services-Agronomic Division, Raleigh NC USA
    Over the past decade, tobacco farming in North Carolina has transitioned from many growers with relatively small acreage to fewer growers with more acreage. As a result, growers have experimented with various products in hopes of promoting holdability of ...