Showing 1 - 20 results of 42 for search '', query time: 0.29s Refine Results
  1. 1
    Diseases of cereals and grasses in North America (fungi, except smuts and rusts).
    by Sprague, Roderick, 1901-
    Published 1950
    Book
  2. 2
    Approved practices in grains and potatoes /
    by Briggs, George M.
    Published 1953
    Book
  3. 3
    Basidiomycetes that decay aspen in North America /
    by Lindsey, J. P.
    Published 1978
    Book
  4. 4
    Rust fungi on legumes and composites in North America /
    Book
  5. 5
    The bark and timber beetles of North America north of Mexico ; the taxonomy, biology and control of 575 species belonging to 72 genera of the super family Scolytoidea /
    Book
  6. 6
    Virus diseases and noninfectious disorders of stone fruits in North America /
    Government Document Book
  7. 7
    Differential susceptibility of 19 white pine species to woolly aphid (Pineus coloradensis) /
    by Hoff, R. J. (Raymond J.)
    Published 1977
    Government Document Book
  8. 8
    Hypoxylon canker of aspen /
    by Anderson, Ralph L.
    Published 1979
    Government Document Book
  9. 9
    Nomenclature of Nearctic conifer-feeding Choristoneura (Lepidoptera: Tortricidae) : historical review and present status /
    by Powell, Jerry A.
    Published 1980
    Government Document Book
  10. 10
    Computer simulation of white pine blister rust epidemics /
    by McDonald, G. I. (Geral I.)
    Published 1981
    Government Document Book
  11. 11
    Virulence, aggressiveness, evolution, and distribution of races of Puccinia striiformis (the cause of stripe rust of wheat) in North America, 1968-87.
    Published 1992
    Government Document Book
  12. 12
    Diseases of Pacific Coast conifers /
    by Scharpf, Robert F., 1931-
    Published 1993
    Government Document Book
  13. 13
    Immigrant phytophagous insects on woody plants in the United States and Canada : an annotated list /
    Published 1994
    Government Document Microform Book
  14. 14
    You can save your trees from dwarf mistletoe /
    by Hawksworth, Frank G., 1926-
    Published 1993
    Government Document Microform Book
  15. 15
    Guide to insect borers in North American broadleaf trees and shrubs.
    Government Document Microform Book
  16. 16
    A review of the insects and mites found on Taxus spp. with emphasis on western North America /
    by Lattin, John D.
    Published 1998
    Government Document Microform Book
  17. 17
    Biology and systematics of the North American Phyllonorycter leafminers on Salicaceae, with a synoptic catalog of the Palearctic species (Lepidoptera:Gracillariidae) /
    by Davis, Donald R.
    Published 2001
    Government Document Book
  18. 18
    Semiochemicals of forest and shade tree insects in North America and management applications /
    Published 1998
    Government Document Microform Book
  19. 19
    Pathogens and microbial control of North American forest insect pests /
    by Fuxa, James R.
    Published 1998
    Government Document Microform Book
  20. 20
    Mistletoes of North American conifers /
    by Geils, Brian W.
    Published 2002
    Adobe Acrobat Reader required
    Government Document Microform Book
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