Search results for: Scharpf, Robert F., 1931-

Showing 1 - 20 results of 20 Refine Results
  1. 1

    Dwarf mistletoe-infected fir : growth after release

    Authors: Scharpf, Robert F., 1931-
    Published: Forest Service, U.S. Department of Agriculture, Pacific Southwest Forest and Range Experiment Station, 1979
    Physical Description: 9 pages : illustrations ; 27 cm.
    Government Document Book
  2. 2

    Elytroderma disease reduces growth and vigor, increases mortality of Jeffrey pines at Lake Tahoe Basin, California

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1981
    Physical Description: 6 pages : illustrations ; 28 cm.
    Government Document Book
  3. 3

    Western dwarf mistletoe infects understory Jeffrey pine seedlings on Cleveland National Forest, California

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1986
    Physical Description: 2 pages ; 28 cm.
    Government Document Book
  4. 4

    Pruning dwarf mistletoe brooms reduces stress on Jeffrey pines, Cleveland National Forest, California

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1987
    Physical Description: ii, 7 pages : illustrations ; 28 cm.
    Government Document Book
  5. 5

    Management of western dwarf mistletoe in ponderosa and Jeffrey pines in forest recreation areas

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1988
    Physical Description: iii, 11 pages : illustrations ; 28 cm.
    Government Document Book
  6. 6

    Diseases of Pacific Coast conifers

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Department of Agriculture, Forest Service : [For sale by the Supt. of Docs., U.S. G.P.O.], 1993
    Physical Description: viii, 199 pages : illustrations (some color) ; 22 cm.
    Government Document Book
  7. 7

    Population dynamics of dwarf mistletoe on young true firs in the Central Sierra Nevada, California

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1982
    Physical Description: 9 pages : illustrations ; 28 cm.
    Government Document Book
  8. 8

    Population buildup and vertical spread of dwarf mistletoe on young red and white firs in California

    Authors: Scharpf, Robert F., 1931-
    Published: Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1976
    Physical Description: 9 pages : illustrations ; 27 cm.
    Government Document Book
  9. 9

    Dwarf mistletoe does not increase truck taper in released red firs in California / Robert F. Scharpf.

    Authors: Scharpf, Robert F., 1931-
    Published: Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1977
    Physical Description: 3 pages ; 27 cm.
    Government Document Book
  10. 10

    Mistletoe literature of the world : a user's guide to a FAMULUS retrieval system

    Authors: Scharpf, Robert F., 1931-
    Published: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1976
    Physical Description: 5 pages ; 27 cm.
    Government Document Book
  11. 11

    Resistance of ponderosa pine to western dwarf mistletoe in central Oregon

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station, 1992
    Physical Description: ii, 9 pages : digital, PDF file.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  12. 12

    One seed source of Jeffrey pine shows resistance to dwarf mistletoe

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station, 1992
    Physical Description: ii, 8 pages : digital, PDF file.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  13. 13

    The biology and pathology of dwarfmistletoe : Arceuthobium compylopodum f. abietinum, parasitizing true firs (Abies spp.) in California

    Authors: Scharpf, Robert F., 1931-
    Published: U.S. Department of Agriculture, 1967
    Physical Description: 42 pages : illustrations ; 23 cm.
    Government Document Book
  14. 14

    Phoradendron on conifers

    Authors: Hawksworth, Frank G., 1926-1993
    Published: U.S. Department of Agriculture, Forest Service, 1980
    Other Authors: “…Scharpf, Robert F., 1931-…”
    Physical Description: 7 pages : color illustrations, maps ; 23 cm.
    Government Document Book
  15. 15

    Dwarf mistletoe in red and white firs in California--23 to 28 years after inoculation

    Authors: Parmeter, J. R.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1989
    Other Authors: “…Scharpf, Robert F., 1931-…”
    Physical Description: 5 pages ; 28 cm.
    Government Document Book
  16. 16

    Stem volume losses in grand firs topkilled by western spruce budworm in Idaho

    Authors: Ferrell, George T.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1982
    Other Authors: “…Scharpf, Robert F., 1931-…”
    Physical Description: 10 pages : illustrations ; 28 cm.
    Government Document Book
  17. 17

    Stem infection by dwarf mistletoe in California firs

    Authors: Parmeter, J. R.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1982
    Other Authors: “…Scharpf, Robert F., 1931-…”
    Physical Description: 6 pages, 1 unnumbered page : illustrations ; 28 cm.
    Government Document Book
  18. 18

    Biology of dwarf mistletoes : proceedings of the symposium, August 8, 1984, Colorado State University, Fort Collins

    Authors: Hawksworth, Frank G., 1926-1993
    Published: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1984
    Other Authors: “…Scharpf, Robert F., 1931-…”
    Physical Description: 131 pages : illustrations, maps ; 28 cm.
    Government Document Book
  19. 19

    Proceedings of the Symposium on Research and Management of Annosus Root Disease (Heterobasidion annosum) in Western North America, April 18-21, 1989, Monterey, California

    Published: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1990
    Other Authors:
    Physical Description: v, 177 pages : illustrations ; 28 cm.
    Government Document Conference Proceeding Book
  20. 20

    Fungal parasites of dwarf mistletoes

    Authors: Hawksworth, Frank G., 1926-1993
    Published: Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1977
    Other Authors:
    Physical Description: 14 pages : illustrations (part color), maps ; 27 cm.
    Government Document Book