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20 results

  1. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 16

    The effect of potassium application rate, application method and timing on the yield and quality of flue-cured tobacco

    VANN M.C.(1); FISHER L.R.(1); JORDAN D.L.(1); SMITH W.D.(2); HARDY D.L.(3); STEWART A.M.(4)
    (1) North Carolina State University, Department of Crop Science, Raleigh, NC, USA; (2) North Carolina State University, Administration-Research Services, Raleigh, NC, USA; (3) North Carolina Department of Agriculture & Consumer Services, Agronomic Division, Raleigh, NC, USA; (4) North Carolina Department of Agriculture & Consumer Services, Research Stations Division, Raleigh, NC, USA
    With rising input costs, growing environmental concerns, and new higher yielding cultivars, potassium fertilizer recommendations for tobacco must be accurate. Research was conducted in North Carolina to evaluate the effect of potassium rate and...
  2. CORESTA Congress, Sapporo, 2012, Plenary Session, abstr. IG 01

    Current status of the field testing program for pesticide residues in North Carolina flue-curedtobacco

    VANN M.C.(1); FISHER L.R.(1); PRIEST J.A.(1); WHITLEY D.S.(1); STEWART A.M.(2)
    (1) North Carolina State University, Department of Crop Science, Raleigh, NC, USA; (2) North Carolina Department of Agriculture & Consumer Services, Research Stations Division, Raleigh, NC, USA
    Pesticide residues on tobacco have received increasing attention in recent years. While pesticide residue evaluations have been conducted for many years in tobacco, recent legislation granting the Food and Drug Administration regulatory...
  3. Tob. Sci., 1987, 31-08, p. 28-31, ISSN. 0082-4523

    Response of flue-cured tobacco to foliar and soil applications of Mn

    MINER G.S.; GALINDEZ A.Z.; TUCKER M.R.
    Soil Science Dept., North Carolina State University, Raleigh, NC, USA; Agronomic Division, North Carolina Department of Agriculture, Raleigh, NC, USA
    Manganese deficiency often occurs in flue-cured tobacco (Nicotiana tabacum L.) when sandy soils of the Coastal Plain Region of the southeastern United States are limed to a pH greater than 6.2. The objectives of this study were to determine the...
  4. Tob. Sci., 1987, 31-10, p. 36-39, ISSN. 0082-4523

    Tobacco response to sulfur on soils differing in depth to the argillic horizon

    SMITH W.D.; PEEDIN G.F.; COLLINS W.K.; TUCKER M.R.; MINER G.S.; KAMPRATH E.J.
    Dept. of Crop Science, North Carolina State University, Raleigh, NC, USA; Soil Testing, North Carolina Department of Agriculture, Raleigh, NC, USA
    Sulfur deficiency symptoms have been observed on flue-cured tobacco (Nicotiana tabacum L.) grown on some sandy coastal plain soils in North Carolina. To determine the S status of typical tobacco soils and the response of flue-cured tobacco to S...
  5. Tob. Sci., 1982, 26-18, p. 66-69, ISSN. 0082-4523

    Effect of plant spacings, topping heights, nitrogen rates and varieties of tobacco on nicotine yield and concentration

    CAMPBELL J.S.; CHAPLIN J.F.; BOYETE D.M.; CAMPBELL C.R.; CRAWFORD C.B.
    Oxford Tobacco Research Laboratory, ARS-USDA, Oxford, NC, USA; North Carolina State University, Raleigh, NC, USA; Station Superintendent, Oxford Tobacco Research Station, North Carolina Department of Agriculture, Oxford, NC, USA
    Experiments were conducted in 1974, 75 and 76 to determine the effect of cultural practices and varieties on nicotine concentration in tobacco leaves and the yield of nicotine per hectare. The tests were modified each year after appraisal of results...
  6. Tob. Sci., 1981, 25-23, p. 83-86, ISSN. 0082-4523

    Effect of variety and harvest treatments on protein yield of close-grown tobacco

    WOODLIEF W.G.; CHAPLIN J.F.; CAMPBELL C.R.; DE JONG D.W.
    Tobacco Research Laboratory, Agricultural Research, Science and Education Administration, U.S. Department of Agriculture, Oxford, North Carolina USA; Oxford Tobacco Research Station, North Carolina Department of Agriculture, Oxford, North Carolina USA
    Extractable protein yield of NC PY-10, LAFC 53, Speight G-28, and SC 58 tobacco (Nicotiana tabacum L.), planted as “close-grown,” was compared by utilizing four harvest treatments: (A) harvest during the button stage, (B) harvest of ratoon regrowth...
  7. Tob. Sci., 1981, 25-29, p. 106-107, ISSN. 0082-4523

    Effect of JMS Stylet-Oil of the incidence of potato virus Y in flue-cured tobacco

    GOODING G.V., Jr; LAPP N.A.
    North Carolina State University, Raleigh, North Carolina USA; North Carolina Department of Agriculture, Raleigh, North Carolina USA
    Application of JMS Stylet-Oil® to tobacco cv. Speight G28 in field tests reduced potato virus Y incidence in 1978. In trials at two locations virus incidence was: treated plots (4.8 and 18.0%) and nontreated plots (13.8 and 28.6%). JMS Stylet-Oil®...
  8. Tob. Sci., 1980, 24-26, p. 89-92, ISSN. 0082-4523

    Distribution, incidence and strains of potato virus Y in North Carolina

    GOODING G.V., Jr; LAPP N.A.
    North Carolina State University and North Carolina Department of Agriculture, Raleigh, North Carolina USA
    Potato virus Y distribution, areas where the virus occurred, and incidence, percentage of plants infected, on flue-cured tobacco in North Carolina was recorded from 1977-1979. Distribution and incidence generally were sporadic, but at one location...
  9. Tob. Sci., 1980, 24-46, p. 162-165, ISSN. 0082-4523

    An assessment system for estimating the distribution and incidence of tobacco viruses in North Carolina

    GOODING V., Jr; LAPP N.A.; NELSON L.A.
    North Carolina State University and North Carolina Department of Agriculture, Raleigh, North Carolina USA
    A system for assessing the distribution and incidence of tobacco viruses is given. Essentially, one in 1 x 105 plants in several areas of tobacco production in North Carolina comprises the sample and the data are extrapolated to the total crop to...
  10. Tob. Sci., 1978, 22-04, p. 12-15, ISSN. 0082-4523

    Receiving sheets of untied tobacco at auction warehouses with use of a powered belt conveyor

    GRAVES A.H.; SOWELL R.; CYRUS J.H.
    Agricultural Research Service, USDA, USA; Department of Ecological and Agricultural Engineering, North Carolina State University, Raleigh, North Carolina USA; Division of Markets, North Carolina Department of Agriculture, Raleigh, North Carolina USA
    A powered belt conveyor receiving system was designed and developed for moving sheets of untied tobacco from the farm truck across the scale to the forklift. An 8-man crew can operate the system and floor tobacco at a rate of 176 sheets per hour at a...