Search Results

20 results

  1. Tob. Sci., 1995, 39-1, p. 23-9., ISSN.0082-4632.

    Effects of planting date and tobacco germplasm source on the occurrence of spotted wilt virus and on the abundance of thrips and tobacco aphids

    McPHERSON R.M.; STEPHENSON M.G.; JACKSON D.M.
    University of Georgia, Dept. of Entomology, Tifton, GA, USA.
    Field experiments were conducted in Georgia during 1992 and 1993 to evaluate the impact of planting date and tobacco germplasm source on the abundance of thrips, primarily the tobacco thrips Frankliniella fusca (Hinds), and the tobacco aphid Myzus ...
  2. Tob. Sci., 1995, 39-1, p. 30-7, ISSN.0082-4632.

    Impact of transplanting date and insecticide control practices on the incidence of tomato spotted wilt virus and insect pests in flue-cured tobacco

    McPHERSON R.M.; CULBREATH A.K.; STEPHENSON M.G.
    University of Georgia, Dept. of Entomology, Tifton, GA, USA.
    Field studies were conducted in Georgia on flue-cured tobacco, Nicotiana tabacum L., during 1991 and 1992 to evaluate the effects of transplanting date and six insecticide control practices on the abundance of thrips, primarily Frankliniella fusca (Hinds) ...
  3. Tob. Sci., 1995, 39-3, p. 77-82., ISSN.0082-4623.

    Comparison of liquid and granular nitrogen fertilizer on the yield, quality, and value of flue-cured tobacco

    MAW B.W.; STEPHENSON M.G.; GAINES T.P.
    University of Georgia, Dept. of Biology and Agricultural Engineering, Athens, GA, USA.
    Flue-cured tobacco (Nicotiana tabacum L. cv. McNair 944) was fertilized with liquid nitrogen (N) either in two applications or metered through a center-pivot irrigation system during the first nine weeks after transplanting. These treatments were compared ...
  4. Tob. Reporter, 1994, 121-5, p. 62-5. Tob. Sci, 1994, 38, p. 38-41, ISSN.0361-5693

    Assessing the quality of Burley tobacco. Part 1 : Grade index and associated factors

    BRIDGES T.C.; WALTON L.R.; CASADA J.H.
    University of Kentucky, Agric. Engineering Dept., Lexington, KY, USA
    This study determined an average yearly grade index (GID) from sales data for Burley tobacco for the years 1959-1990. This index was used as a quality measure for each crop year. Several leaf-group, leaf-color, and seasonal-crop variables were ...
  5. Tob. Reporter, 1994, 121-6, p. 60-6. Tob. Sci, 1994, 38, p. 42-8, ISSN.0361-5693

    Assessing the quality of Burley tobacco. Part 2 : Environmental and timeliness factors

    BRIDGES T.C.; WALTON L.R.; CASADA J.H.
    University of Kentucky, Agric. Engineering Dept., Lexington, KY, USA
    This paper considered growing and harvest season variables that correlated with various leaf and color groups making up the yearly grade index (GID) for Burley tobacco for 1959-1990. Weekly degree day sums (GDIFF), consisting of temperatures above 22.8 ...