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  1. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 18

    Effects of polyethylene mulches on pest management and yield in organic flue-cured tobacco

    MACHANOFF C.A.; SUCHOFF D.H.; VANN M.C.; WOODLEY A.L.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Management of weed and insect pests in organic production of flue-cured tobacco is challenging due to lack of effective approved control options. Polyethylene plastic mulches are commonly used in vegetable and berry production to manage in-row weed...
  2. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 19

    Impacts of conservation tillage and cover crop mulch on weed emergence and leaf yield and quality in organic flue-cured tobacco

    MACHANOFF C.A.; SUCHOFF D.H.; VANN M.C.; WOODLEY A.L.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Intensive tillage in flue-cured tobacco production contributes to soil erosion and reduced water-holding capacity of soils. Conservation tillage minimizes soil disturbance by planting a crop directly into biomass residue of overwintered cover crop...
  3. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 20

    Winter cover crop management in the production of organic flue-cured tobacco

    WOODLEY A.L.; HAHN S.L.; VANN M.C.; OSMOND D.L.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    The production of organic flue-cured tobacco requires costly nitrogen (N) management strategies, intensive tillage and bedding, and repeated cultivation for bed maintenance and weed control. This study was conducted to determine if cover cropping...
  4. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 21

    Impacts of lower-leaf removal timing, number, and nitrogen application to flue-cured tobacco

    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.
    The removal and exclusion of lower-stalk tobacco from harvest continues to be encouraged in North Carolina. Previous research efforts have been focused on the simultaneous practices of topping and leaf removal. Very little information has been...
  5. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 22

    Cigar wrapper tobacco production in western North Carolina

    VANN M.C.; MACHACEK J.L.; CHEEK J.A.; WHITLEY D.S.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Since 2000, Burley tobacco production has declined by more than 2,000 ha in the Appalachian mountain region of western North Carolina. The loss of Burley tobacco has left a void in the agricultural economy that has not yet been filled by another...
  6. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 23

    Industrial hemp: the benefits, concerns, and unknowns for North Carolina tobacco farmers

    SHORT M.M.(1); McGINNIS M.(2); VANN M.C.(1); SUCHOFF D.H.(1); EDMISTEN K.L.(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.
    North Carolina is the leader in flue-cured tobacco production in the United States; however, a growing reduction in demand has led growers to seek other sources of farm gate revenue. In 2014, the federal Farm Bill legalized state regulated growth of...
  7. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 24

    Economic factors influencing lower leaf removal decisions

    BLALOCK C.(1); VANN M.C.(1); FISHER L.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. In field trials, the removal of four or...
  8. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 13

    Tobacco production programming in the Suwannee River Valley of North Florida

    VANN C.D.(1); WYNN K.(2); BROUGHTON D.(3); MOORE J.M.(4); VANN M.C.(5)
    (1) Univ. of Florida - Inst. of Food & Agricultural Sciences, Lafayette County Extension, Mayo, FL, U.S.A.; (2) Univ. of Florida - Inst. of Food & Agricultural Sciences, Hamilton County Extension, Jasper, FL, U.S.A.; (3) Univ. of Florida - Inst. of Food & Agricultural Sciences, North Florida Research & Education Center - Suwannee Valley, Live Oak, FL, U.S.A.; (4) Univ. of Georgia, Dept. of Crop & Soil Sciences, Tifton, GA, U.S.A.; (5) NCSU, Dept. of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    The Suwannee River Valley of North Florida has been known for producing premium flue-cured tobacco since the 1920s. Recently, a Tobacco Extension Program Team was formed to assist local producers with current production practices, governmental...
  9. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 07

    Float water alkalinity adjustment in organic seedling production

    VANN M.C.(1); STEVENS D.A.(1); SHORT M.(1); McGINNIS M.(2)
    (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.
    Float water bicarbonate (HCO3-) concentration in excess of 2.0 meq/L (100 ppm) can result in stunted, unusable seedlings unless neutralized. In conventional greenhouse systems, sulfuric acid is used for this purpose; however, it is not currently...
  10. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 09

    Chloride application: effects to nutrient assimilation, agronomic performance, and cured leaf chemistry of flue-cured tobacco

    VANN M.C.(1); FISHER L.R.(1); INMAN M.D.(1); HARDY D.H.(2)
    (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-) application in excess of 34 kg ha-1 has generally been discouraged in the production of U.S. flue-cured tobacco, due to the negative effects the nutrient can have on cured leaf yield, quality, and smoke sensory. However, fertilizer...