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  1. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 03

    The impact of starter fertilizer to flue-cured tobacco growth

    VANN M.C.(1); DABBS D.W.(2)
    (1) Department of Crop & Soil Sciences, North Carolina State University, Raleigh, NC, U.S.A.; (2) Alamance Cooperative Extension, Burlington, NC, U.S.A.
    An increasing number of flue-cured tobacco farmers are including water soluble fertilizer products in transplant water applications. The goal of these starter fertilizer programs is to supply a small quantity of phosphorus, which may stimulate...
  2. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 04

    Developing nitrogen and potassium fertilizer recommendations for Connecticut broadleaf 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 – Crop and Soil Sciences Department, Raleigh, NC, U.S.A.
    Connecticut broadleaf cigar wrapper tobacco is a new crop to North Carolina. As such research-based fertilizer recommendations are needed to assist farmers with commercial production. Nitrogen (N) and potassium (K) rate trials were conducted in four...
  3. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 11

    Evaluations of modern spray nozzle technology for maleic hydrazide application

    VANN M.C.(1); ROUSSOS R.N.J.(1); ELLINGTON G.(2); CAHOON C.W.(1); GANNON T.(1)
    (1) Department of Crop & Soil Sciences, North Carolina State University, Raleigh, NC, U.S.A.; (2) Department of Biological & Agricultural Engineering, North Carolina State University, Raleigh, NC, U.S.A.
    Maleic hydrazide (MH) remains a critical component of sucker control programs in US tobacco production systems. However, MH residues remain a strong critique of tobacco sourced from the region. The purpose of our research was to evaluate medium and...
  4. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 12

    Sustaining maleic hydrazide: an alternative application technique for reduced residues in flue-cured tobacco

    ROUSSOS R.N.J.(1); VANN M.C.(1); ELLINGTON G.(2); CAHOON C.W.(1); GANNON T.(1)
    (1) Department of Crop & Soil Sciences, North Carolina State University, Raleigh, NC, U.S.A.; (2) Department of Biological & Agricultural Engineering, North Carolina State University, Raleigh, NC, U.S.A.
    Cured leaf residues of the plant growth regulator maleic hydrazide (MH) remain as a serious concern to the allied tobacco industry in the United States. Current MH application programs rely on foliar, over-the-top delivery systems that saturate the...
  5. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 35

    Characterizing 2,4-D and dicamba residue persistence following tobacco flue-curing

    VANN M.C.; GANNON T.; MAXWELL P.
    Department of Crop & Soil Sciences, North Carolina State University, Raleigh, NC, U.S.A.
    Genetically modified field crops expressing tolerance to auxin herbicides, such as 2,4-D and dicamba, are commonly grown in fields adjacent to flue-cured tobacco in North Carolina. The potential exists for physical drift of spray solutions containing...
  6. CORESTA Congress, Online, 2022, Agronomy/Phytopathology Groups, AP 36

    Agrochemical residues: recent experiences with cyantraniliprole, flutriafol, flutriafol + azoxystrobin, and S-metolachlor

    VANN M.C.; CHEEK J.A.; MACHACEK J.L.; WHITLEY D.S.
    Department of Crop & Soil Sciences, North Carolina State University, Raleigh, NC, U.S.A.
    Recent pesticide residue investigations for cyantraniliprole, flutriafol, flutriafol + azoxystrobin, and S-metolachlor applications were conducted in flue-cured tobacco. Field trials were conducted in five North Carolina growing environments from...
  7. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 14

    A comparison of traditional and alternative fertilizer programs for flue-cured tobacco production

    SHORT M.M.; VANN M.C.; CHEEK J.A.; WHITLEY D.S.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Previous fertilizer research in flue-cured tobacco has compared a wide range of nutrient programs, ultimately demonstrating the usability and function of numerous sources. The objective of this study was to investigate the influence of nitrogen (N)...
  8. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 15

    Nitrogen fertilizer source and the impact to flue-cured tobacco nutrient assimilation, yield, quality, value, and chemistry

    VANN M.C.; WOODLEY A.L.; SUCHOFF D.H.; FISHER L.R.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    The impact of nitrogen (N) fertilizer sources to macro, secondary, and micronutrient assimilation at various growth stages and their impact to post-harvest measurements have not been reported in flue-cured tobacco. Research was conducted in 2016 and...
  9. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 16

    Nitrogen application programs for fine-textured soils of the North Carolina Piedmont

    VANN M.C.(1); WHITLEY D.S.(1); MASON J.H.(1); HAMBRICK T.(2); STRADER W.(3); DABBS D.C.(4)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) Forsyth County Cooperative Extension, Winston-Salem, NC, U.S.A.; (3) Rockingham County Cooperative Extension, Reidsville, NC, U.S.A.; (4) Alamance County Cooperative Extension, Burlington, NC, U.S.A.
    Late-season nitrogen (N) assimilation can greatly impact the yield and quality of flue-cured tobacco, particularly in the fine-textured Piedmont soils of North Carolina. Research was conducted in three environments to evaluate the effects of N...
  10. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 17

    Establishing nitrogen fertility recommendations for the production of organic Burley tobacco

    SUCHOFF D.H.; VANN M.C.; FISHER L.R.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    As demand increases for organic tobacco products, growers transitioning to certified organic production systems require appropriate agronomic recommendations. Two studies were conducted at the Mountain Research Station in Waynesville (W), NC and the...