Showing 1 - 13 results of 13 for search '', query time: 0.21s Refine Results
  1. 1
    Squirrels prefer cones from fertilized trees /
    by Asher, William C
    Published 1963

    Government Document Book
  2. 2
    Estimating sound seed per cone in shortleaf pine /
    by Bramlett, D. L
    Published 1964

    Government Document Book
  3. 3
    Size and germination of white pine seed collected at weekly intervals from five trees /
    by Jones, Leroy
    Published 1967

    Government Document Book
  4. 4
    Heavy crop of red pine cones yields many thousands of good seeds /

    Government Document Book
  5. 5
    The impact of insects on second-year cone crops in red pine seed-production areas /
    by Mattson, William J., 1943-
    Published 1968

    Government Document Book
  6. 6
    Seed losses reduced in Virginia pine cones by screen wire cages /
    by Bramlett, D. L
    Published 1973

    Government Document Book
  7. 7
    Mortality factors reducing the 1967-1969 slash pine seed crop in Baker County, Florida : a life table approach /
    by DeBarr, Gary L
    Published 1975

    Government Document Book
  8. 8
    Insect damage to white spruce cones and seeds : a factor in white spruce regeneration /
    by Bean, J. L (James L.)
    Published 1961

    Government Document Book
  9. 9
    Do pine gall weevils affect cone production in red pine? /
    by Mattson, William J., 1943-
    Published 1969

    Government Document Book
  10. 10
    Jack pine cones in slash open in midsummer
    Published 1940

    Government Document Book
  11. 11
    Black spruce maintains a year-round seed supply
    Published 1939

    Government Document Book
  12. 12
    Testing cone ripeness
    Published 1941

    Government Document Book
  13. 13
    August-collected cones yield poor red pine seed /

    Government Document Book
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