1. 47th TWC, Tob. Work. Conf., 2016, abstr. 03

    Evaluation of NCDA boron sufficiency ranges for flue-cured tobacco

    JERNIGAN C.(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...
  2. 47th TWC, Tob. Work. Conf., 2016, abstr. 08

    Evaluation of three transgenic varieties compared to three conventional varieties for low alkaloid production with three nitrogen variables

    CHEEK J.A.; VANN M.C.; FISHER L.R.
    North Carolina State University, Raleigh NC USA
    Nicotine is one of the most studied and scrutinized plant secondary metabolites. Its concentration in tobacco products now falls under the jurisdiction of the Food and Drug Administration and it has been speculated that increased regulation might...
  3. 47th TWC, Tob. Work. Conf., 2016, abstr. 15

    The influence of primary tillage and flue-cured tobacco management on Palmer amaranth populations in a three year crop rotation

    VANN M.C.; FISHER L.R.; JORDAN D.L.; STEWART A.M.; WELLS R.
    North Carolina State University, Raleigh NC USA
    Glyphosate-resistant Palmer amaranth (PA) (Amaranthus palmeri) is a significant issue in agronomic crop production. Research was conducted from 2012 to 2014 and from 2013 to 2015 to quantify the impact of primary tillage, herbicide program, and...
  4. 47th TWC, Tob. Work. Conf., 2016, abstr. 29

    Working towards an increased understanding of the genetics of soil-borne disease resistance in tobacco

    DRAKE K.(1); LEWIS R.S.(1); BAKAHER N.(2); GOEPFERT S.(2); PHILIPPON B.(2); MARK R.(2); PETERSON P.D.(3)
    (1) North Carolina State University, Raleigh NC USA; (2) Philip Morris International, Neuchatel, Switzerland; (3) Clemson University, Florence SC USA
    Black shank and bacterial wilt, caused by Phytophthora nicotianae and Ralstonia solanacearum, respectively, are the most important diseases affecting tobacco production in the United States. An increased understanding of the genetic systems...