Search Results

3 results

  1. 49th TWC, Tob. Work. Conf., 2020, abstr. 13

    Lower-leaf removal programs for flue-cured tobacco production in North Carolina

    COGGINS T.; VANN M.C.; FISHER L.R.; WELLS R.; BROWN A.B.; FINCH C.E.
    North Carolina Cooperative Extension Service - Davidson County, Lexington, NC USA
    Sluggish demand for lower-stalk positions has prompted consideration for de-lugging programs in North Carolina. The agronomic impact of these leaf removal systems has not been fully reported. The objective of this research was to compare lower-leaf...
  2. 49th TWC, Tob. Work. Conf., 2020, abstr. 22

    Efficacy of S-metolachlor based herbicide programs in flue-cured tobacco

    BRADLEY A.; VANN M.C.; CAHOON C.W.; JORDAN D.L.; INMAN M.D.; CLAPP A.M.
    North Carolina Cooperative Extension Service - Edgecombe County, Tarboro, NC USA
    Maximized weed control is critical to the growth and development of flue-cured tobacco. Currently, the PPO-inhibiting herbicide sulfentrazone is the primary control option for Amaranthus, Cyperus, and Ipomea weed species. With the current risk of...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 45

    Preliminary study on the metabolites of Spirotetramat in tobacco for possible residue definition

    OYAMA K.(1); NAKABAYASHI T.(1); NAKAJIMA K.(1); VANN M.C.(2)
    (1) Japan Tobacco, Inc., Leaf Tobacco Research Center, Oyama-shi, Tochigi, Japan; (2) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Residue definitions are determined for enforcement/risk assessment purposes when legislative Maximum Residue Levels for food/feed are established. Spirotetramat (SP) is an insecticide and has been selected as one of the Guidance Residue Level (GRL)...