Search Results

95 results

  1. 50th TWC, Tob. Work. Conf., 2022, abstr. 23

    Developing nitrogen and potassium fertilizer recommendations for cigar wrapper tobacco in North Carolina

    SHORT M.M.; VANN M.C.; CHEEK J.A.; MACHACEK J.L.; WHITLEY D.S.
    North Carolina State University, Raleigh, NC, USA
    Cigar wrapper tobacco is a new crop to North Carolina, and research-based fertilizer recommendations are needed to assist farmers with commercial production. Nitrogen (N) and potassium (K) rate trials were conducted in four locations across North...
  2. 50th TWC, Tob. Work. Conf., 2022, abstr. 39

    Cured leaf residues following applications of cyantraniliprole, flutriafol, and S-metolachlor

    VANN M.C.; SHORT M.M.; WHITLEY D.S.; MACHACEK J.L; CHEEK J.A.
    North Carolina State University, Raleigh, NC, USA
    Recent investigations of Cyantraniliprole, Flutriafol, and S-metolachlor applications have been conducted in flue-cured tobacco on behalf of the Pesticide Committee of the Tobacco Workers Conference. Field trials were conducted in five North Carolina...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 01

    Flue-cured tobacco response to sub-lethal rates of glufosinate

    VANN M.C.(1); JORDAN D.L.(1); FISHER L.R.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) NC Agriculture Research Service, North Carolina State University, Raleigh, NC, U.S.A.
    Glufosinate is a broad-spectrum, contact herbicide that is currently applied to genetically engineered row crops that tolerate exposure to the chemical, such as cotton (Gossypium hirsutum), maize (Zea mays), and soybean (Glycine max). Flue-cured...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 04

    Experiences in evaluation of boron needs in North Carolina flue-cured tobacco production: a summary of plant tissue sufficiency data and impacts on yield and quality

    HARDY D.(1); VANN M.C.(2); JERNIGAN C.(3); McGINNIS M.(1); HICKS K.(1)
    (1) Agronomic Division, North Carolina Dept. of Agriculture and Consumer Services, NC, U.S.A.; (2) Crop and Soil Science Department, North Carolina State University, NC, U.S.A.; (3) Helena Chemical Co., U.S.A.
    Boron (B), an essential micronutrient for optimum plant growth, is required in trace amounts (<1.1 kg B ha-1) by flue-cured tobacco. In past decades, boron deficiency in North Carolina has not been prevalent. However, recently, its deficiency has...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 06

    Auxin herbicide exposure: comparisons of 2,4-D and dicamba drift to flue-cured tobacco

    VANN M.C.(1); JORDAN D.L.(1); FISHER L.R.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) NC Agriculture Research Service, North Carolina State University, Raleigh, NC, U.S.A.
    Auxin herbicide application has increased in North Carolina due to the commercialization of 2,4-D and dicamba tolerant crops. Flue-cured tobacco is extremely sensitive to both herbicides, yet is commonly grown in close proximity to genetically...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 21

    Impact of genotype and management on nicotine concentration in Burley tobacco

    VANN M.C.; MACHACEK J.L.; CHEEK J.A.; SHORT M.M.; WHITLEY D.S.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Proposed standards from the US-FDA suggest that nicotine should be lowered to non-addictive concentrations in cigarettes (0.3 to 0.5 mg g-1). One such method for lowering nicotine in finished products is to source leaf material with...