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631 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 16

    Greenhouse and field applications of various organic nitrogen fertilizer sources

    MANNING N.J.; VANN M.C.; SUCHOFF D.H.; WOODLEY A.; McGINNIS M.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Current nitrogen fertilizer programs for organic flue-cured tobacco production have proven successful but are not absent of agronomic concern. In the current evaluation, different organic nitrogen sources were evaluated for their usability in seedling and ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 18

    Establishing application protocols for poultry litter and feather meal in organic Burley tobacco production

    SUCHOFF D.H.; VANN M.C.; FISHER L.R.; WHITLEY D.S.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Information on nutrient management in organic Burley tobacco is limited. Unlike conventional nitrogen (N) sources, which are readily available for plant use upon application, organic N fertilizers require microbial mineralization to become plant available ...
  3. 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 ...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 21

    Evaluations of rimsulfuron application timing and rate in flue-cured tobacco

    VANN M.C.; INMAN M.D.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Field studies were conducted from 2016 through 2018 to evaluate flue-cured tobacco response to rimsulfuron application timing and rate (17 and 34 g a.i. ha-1). Additionally, weed control was evaluated in combination with current recommended herbicide ...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 22

    Organic suckercides: screening various compounds for efficacy and injury potential

    SUCHOFF D.H.; VANN M.C.; SHORT M.M.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Organically derived fatty alcohol products are useful for the control of tobacco axillary buds (suckers) and are greatly needed by commercial tobacco farmers. Recently, USDA-National Organic Program approval of these products has been scrutinized, leaving ...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 25

    Lower leaf removal and nitrogen application programs for flue-cured tobacco production

    VANN M.C.(1); FINCH C.E.(1); FISHER L.R.(1); WELLS R.(1); BROWN A.B.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina State University, Department of Agricultural & Economic Resources, Raleigh, NC, U.S.A.
    With a current global over-supply of flue-cured tobacco, tobacco producers in North Carolina have been encouraged to remove the lowermost leaves prior to harvest due to their low value in manufactured products. The objective of this research was to ...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 26

    Cured leaf residues following applications of fluopicolide, indoxacarb, and oxathiapiprolin to flue-cured tobacco

    VANN M.C.; INMAN M.D.; WHITLEY D.S.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Pesticide residues found on cured tobacco remain a large concern to the allied tobacco industry. To better quantify cured leaf residues, three active ingredients (fluopicolide, indoxacarb, and oxathiapiprolin) were applied to flue-cured tobacco grown in ...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 29

    Construction of green flue-cured tobacco strips aging technology based on four-stage controlled atmosphere method

    HE Wei(1); MU Wenjun(2); FAN Jianqiang(1); BAO Kexiang(1); CHEN Yiqiang(1); LIN Jian(1); QI Lingfeng(1); ZHANG Ruiqiang(1); ZHANG Zengji(1); GUO Jianhua(2); SONG Jizhen(2); WANG Chunlu(3); FAN Tiantian(3)
    (1) Fujian Tobacco Industry Co., Ltd., Xiamen, P.R. China; (2) Key Laboratory of Eco-environment and Leaf Tobacco Quality, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (3) Beijing Yingfeng Litai Technology & Trade Co., Ltd., Beijing, P.R. China
    Aging of flue-cured tobacco strips plays an important role in improving the quality and use value of tobacco. Natural aging is the most widely used storage method at present, but there are still some problems, such as shorter suitable aging duration, easy ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 26

    Digital evaluation of tobacco style and quality by using a support vector machine algorithm with thermal analysis spectra

    LI Qiaoling(1); YIN Chao(2); ZHENG Quanxing(1); YU Yumei(1); LIU Xiucai(1); DENG Xiaohua(1); ZHANG Tinggui(1); ZHONG Jiawei(1); WANG Le(3); XU Hanchun(1); LIN Kai(1); MA Pengfei(1); HUANG Chaozhang(1); LI Bin(3); WU Anan(2)
    (1) Technology Center, China Tobacco Fujian Industrial Co., Ltd., Xiamen, Fujian, P.R. China; (2) College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, P.R. China; (3) Key Laboratory of Tobacco Processing Technology of CNTC, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    In the processes of tobacco blend design and product maintenance of cigarettes, the evaluation of tobacco style and quality is very important. At present, the evaluation method mainly relies on artificial sensory analysis, which is subjective and ...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 29

    Thermochemical and thermophysical mapping of burning superslim and kingsize cigarettes

    EHLERT S.(1,3); CUI H.(2); HEIDE J.(3); XIE F.(2); DENG N.(2); LIU C.(4); McADAM K.(4); WALTE A.(1); ZIMMERMANN R.(3)
    (1) Photonion GmbH, Schwerin, Germany; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany; (4) British American Tobacco, R&D Centre, Southampton, U.K.
    After presenting and publishing the proof of principle of the in-situ thermochemical and thermophysical mapping inside a burning Super Slim (SS) cigarette, we now extended the study scope to other cigarette formats and smoking regimes [1]. A Chinese ...