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Degree Field:
Botany and Plant Pathology
Resource Type:
Dissertation
Rights Statement:
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Academic Affiliation
Botany and Plant Pathology (172)
Advisor
Trappe, James M. (11)
Chambers, Kenton L. (8)
Hansen, Everett M. (8)
Linderman, Robert G. (7)
Mundt, Christopher C. (7)
Chilcote, William W. (6)
Franklin, Jerry F. (6)
Phinney, Harry K. (6)
Powelson, Robert L. (6)
Smith, Frank H. (6)
Chilcote, W. W. (5)
Evans, Harold J. (5)
Jensen, Harold J. (5)
Mcintire, C. David (5)
Milbrath, J. A. (4)
Mills, Dallice I. (4)
Roth, Lewis F. (4)
Corden, Malcolm E. (3)
Horner, C. E. (3)
Mccune, Bruce (3)
Bishop, Norman I. (2)
Horner, Chester E. (2)
Liston, Aaron (2)
Lomax, Terri L. (2)
Loper, Joyce E. (2)
Mccune, Bruce P. (2)
Moore, Larry W. (2)
Moore, Thomas C. (2)
Muir, Patricia S. (2)
Phinney, H. K. (2)
Quatrano, Ralph S. (2)
Wilson, Mark V. (2)
Wolpert, Thomas J. (2)
Zobel, Donald B. (2)
Appleby, Arnold P. (1)
Armstrong, Donald J. (1)
Arp, Daniel J. (1)
Cameron, H. R. (1)
Cameron, H. Ronald (1)
Ciuffetti, Lynda (1)
Coakley, Stella M. (1)
Corden, M. E. (1)
Coyier, Duane L. (1)
Deep, Ira W. (1)
Denison, William C. (1)
Hampton, Dick (1)
Hampton, Richard O. (1)
Hansen, Everett (1)
Hansen, H. (1)
Ingham, Elaine R. (1)
Jensen, Harold (1)
Johnson, Kenneth B. (1)
Jones, Leo E. (1)
Knapp, Steven J. (1)
Lajtha, Kate (1)
Leach, Charles M. (1)
Mcintire, David (1)
Mills, Dallice (1)
Morris, R. O. (1)
Overton, W. Scott (1)
Powelson, Mary L. (1)
Powelson, R. L. (1)
Powelson, Robert (1)
Pscheidt, Jay W. (1)
Pyke, David A. (1)
Quatrano, Ralph (1)
Rickson, Fred (1)
Roth, L. F. (1)
Spatafora, Joseph W. (1)
Spotts, Robert A. (1)
Stone, Jeffrey K. (1)
Vaughan, E. K. (1)
Welty, Ronald E. (1)
Commencement Year
1969 (16)
1968 (14)
1983 (12)
1964 (10)
1998 (9)
1963 (7)
1970 (7)
1982 (7)
1985 (7)
1986 (7)
1984 (6)
1975 (5)
1990 (5)
1991 (5)
1992 (5)
1987 (4)
1996 (4)
2001 (4)
2002 (4)
1965 (3)
1976 (3)
1993 (3)
1994 (3)
1995 (3)
1997 (3)
1999 (3)
1981 (2)
1988 (2)
2000 (2)
2005 (2)
1967 (1)
1973 (1)
1980 (1)
2003 (1)
2006 (1)
Committee Member
Bottomley, Peter (6)
Mills, Dallice (5)
Powelson, Mary (5)
Armstrong, Don (4)
Cromack, Kermit (4)
Moore, Larry (4)
Breen, Patrick (3)
Denison, William (3)
Hansen, Everett (3)
Johnson, Ken (3)
Lomax, Terri (3)
Loper, Joyce (3)
McEvoy, Peter (3)
Muir, Pat (3)
Pearson, George (3)
Quatrano, Ralph (3)
Wilson, Mark (3)
Young, Roy A. (3)
Zobel, Don (3)
Appleby, Arnold (2)
Becker, R. R. (2)
Boersma, Larry (2)
Brown, Lyle (2)
Chilcote, William (2)
Cromack, Kermit Jr (2)
Denison, Bill (2)
Farber, Paul (2)
Frenkel, Robert E. (2)
Kronstad, Warren E. (2)
Linderman, Robert (2)
Liston, Aaron (2)
Loomis, W. D. (2)
Lubchenco, Jane (2)
Mallory-Smith, Carol (2)
Miller, Jeff (2)
Myrold, David (2)
Parks, Leo (2)
Perry, David (2)
Phinney, Harry K. (2)
Reed, Donald J. (2)
Alvarado, Ronald H. (1)
Anderson, A. W. (1)
Anderson, Anne (1)
Anderson, Norm (1)
Baisted, Derek (1)
Bakalinsky, Alan Tagore (1)
Becker, Robert R. (1)
Berry, Ralph (1)
Birkes, David (1)
Bishop, N. I. (1)
Bishop, Norman I. (1)
Blouin, Mike (1)
Bradshaw, Gay (1)
Chambers, Kenton (1)
Chambers, Kenton L. (1)
Ching, TeMay (1)
Christensen, Neil (1)
Ciuffetti, Lynda (1)
Coakley, Stella (1)
Copes, Don (1)
Cowles, Timothy (1)
Crabtree, Garvin D. (1)
Crane, Jimmie (1)
Craven, Gene F. (1)
Cromack, Kermit Jr. (1)
Cromack, Kermit Jr., (1)
Dawson, Peter S. (1)
DeAngelis, Jack (1)
Doescher, Paul (1)
Dougherty, W. G. (1)
Edge, Dan (1)
Ehrensing, Daryl (1)
Eisgruber, Ludwig M. (1)
Evans, H. J. (1)
Evans, Harold J. (1)
Fassnacht, Karin (1)
Ferguson, George (1)
Ferro, Al (1)
Field, Kate (1)
Filip, Greg (1)
Filip, Gregory (1)
Fisher, Glenn (1)
Frakes, Rodney (1)
Franklin, Jerry F. (1)
Frenkel, Robert (1)
Frey, Bruce (1)
Furtick, William R. (1)
Gardner, Hugh (1)
Gitelman, Alix (1)
Goetze, Norman (1)
Gonor, J. J. (1)
Gould, Steven (1)
Grabe, Donald (1)
Guerrant, Edward O. Jr (1)
Hall, James (1)
Hansen, H. (1)
Hansen, Henry P. (1)
Harmon, Mark (1)
Hayes, Pat (1)
Hibbs, David (1)
Horner, C. E. (1)
Huddleston, J. Herbert (1)
Ingham, Russ (1)
Jackson, T. L. (1)
Johnson, Kenneth B. (1)
Jones, Leo E. (1)
Kavanagh, Kathleen (1)
Krantz, G. W. (1)
Krantz, Gerald (1)
Kronstad, Warren (1)
Lajtha, Kate (1)
Lattin, Jack (1)
Leong, JoAnn (1)
Linderman, R. G. (1)
Lyford, Jack (1)
Lyford, John H. (1)
Matthews, Christopher (1)
McIntire, C. D. (1)
McIntire, C. David (1)
McIntire, Dave (1)
McIntire, David (1)
Miller, Steve (1)
Mok, David (1)
Mok, Machteld (1)
Molina, Randy (1)
Moore, Thomas (1)
Moore, Tom (1)
Morris, Roy (1)
Muir, Patricia (1)
Mundt, C. C. (1)
Nelson, David (1)
Ohmann, Janet (1)
Parks, Leo W. (1)
Pereira, Cliff (1)
Peterson, Jim (1)
Powelson, Mary L. (1)
Proebsting, William (1)
Radosevich, Steve (1)
Rivin, Carol (1)
Roth, Lewis F (1)
Schowalter, Tim (1)
Sedell, Jim (1)
Simonson, Gerald H. (1)
Smith, F. H. (1)
Smith, Frank (1)
Smith, Frank H. (1)
Sollins, Phil (1)
Spatafora, Joey (1)
Spatafora, Joseph (1)
Spatafora, Josheph (1)
Stafford, Susan (1)
Starkey, Edward (1)
Steiner, Jeff (1)
Stone, Jeffrey (1)
Storm, Robert M. (1)
Strauss, Steven (1)
Swanson, Fred (1)
Tappeiner, John (1)
Thomas, Byron (1)
Thomas, Dave (1)
Trappe, James (1)
Waring, Dick (1)
Waring, Richard H. (1)
Warren, Charles (1)
Warren, Charles E. (1)
Weber, Nancy S. (1)
Welty, Ronald (1)
Willis, David (1)
Willis, David L. (1)
Wilson, Mark V. (1)
Wolpert, Thomas (1)
Wolpert, Tom (1)
Wrolstad, Ronald (1)
Youngberg, Chester T. (1)
Creator
Agnan, Jacqueline (1)
Ahmed, Hafiz Uddin (1)
Aho, Paul E. (1)
Akanda, Shamsul I. (1)
Alsheikh, Abdulmagid M. (1)
Alvarez, Isabel Fernandez (1)
Anderson, James David (1)
Angwin, Peter A. (1)
Antos, Joseph A. (1)
Apple, Jeanne Debons (1)
Bailey, Warren Hutchinson, 1914 (1)
Baker, Gerald Merritt (1)
Ballo, Barbara (1)
Bartlett, Allan B. (1)
Bashir, Muhammad (1)
Beckman, Kent Mardsen (1)
Berryman, Shanti D. (1)
Bhullor, Sukhbir (1)
Biermann, Brenda Joan, 1954 (1)
Bolwyn, Bart (1)
Boudreau, Mark Alan, 1958 (1)
Bouzar, Hacene (1)
Broich, Steven L. (1)
Bull, Carolee Theresa, 1962 (1)
Byther, Ralph S. (1)
Camacho, Francisco J. (1)
Carlstrom, Robert Charles, 1928 (1)
Cazares, Efren (1)
Chantanao, Aroon (1)
Chatfield, J. Mark (1)
Chuaiprasit, Chalermlarb (1)
Coenen, Catharina (1)
Cooksey, Donald Arthur (1)
Corbell, Nathan (1)
Cowger, Christina (1)
Cowles, Joe Richard, 1941 (1)
Dalton, David Andrews (1)
Davis, Kimberly J. (1)
Davis, Michael W. (1)
de Hertogh, August (1)
Demort, Carole Lyle (1)
Denicola, Dean M. (1)
Doubet, Scott (1)
Dreisbach, Tina A. (1)
Ecklund, Paul Richard, 1941 (1)
Ehrenshaft, Marilyn (1)
Estes, James R. (1)
Evenden, Angela G. (1)
Fernandez, Jesus Perez (1)
Fernando, W. Gerard Dilantha (1)
Finckh, Maria Renate (1)
Fogel, Robert Dale (1)
Fredricks, Nancy Ann (1)
Gallian, John J. (1)
Garrett, Karen A. (1)
Gashaira, Bashir (1)
Geddens, Ray M. (1)
Gernandt, David S. (1)
Goodell, Jody Jellison (1)
Graham, Robin Lee Lambert (1)
Gregory, Robert A. (1)
Grybauskas, Arvydas P. (1)
Guppy, Geraldine Anne Allen (1)
Halpern, Charles B. (1)
Halse, Richard R. (1)
Halsey, Mark Evan (1)
Hansmann, Eugene W. (Eugene William), 1933 (1)
Harman, Gary Elvan, 1944 (1)
Harmon, Mark E. (1)
Hennon, Paul Edward (1)
Hessburg, Paul F. (1)
Highley, Terry L. (1)
Hoefnagels, Marielle Henriette, 1965 (1)
Holmes, Michael T. (1)
Hunt, Gary, 1945 (1)
Ianson, David C. (1)
Ingersoll, Cheryl A. (1)
Jefferson, Carol A. (1)
Johnson, John Morris (1)
Kaye, Thomas N. (1)
Keener, William Kelvin (1)
Kelley, Randall David (1)
Kentula, Mary E. (1)
Kough, John Lawrence (1)
Kumler, Marion Lawrence, 1941 (1)
Larsen, Harold J. (1)
Larson, Ann Marie (1)
Lawson, Roger Harold (1)
Lebel, Teresa (1)
Leonard, Jeffrey M. (1)
Lewis, Katherine Joann (1)
Maas, J. L. (1)
Mantai, Kenneth Edward (1)
Martin, Erin P. (1)
Martinson, Charlie Anton (1)
Mccluskey, Kevin (1)
Mccoy, Mary Lois (1)
Mcdowell, Larry Leon (1)
Mcintyre, Gary Allen (1)
Mcwilliams, Michael G. (1)
Meinke, Robert James (1)
Melouk, Hassan Aly (1)
Michaels, Thomas Joseph (1)
Mitchell, Diane Lynne (1)
Molina, R. (1)
Morrison, Laura A. (1)
Navarre, Duroy A. (1)
Nielsen, Gary R. (Gary Richard), 1956 (1)
Nigh, Edward L. (1)
Nitsos, Ronald Eugene (1)
Norris, L. A. (1)
O'dell, Thomas E. (1)
O'flaherty, Larrance Michael Arthur, 1941 (1)
Oh, Eunsung (1)
Osterbauer, Nancy K. (1)
Owens, John N. (1)
Parke, Jennifer Lee (1)
Peek, Chester Allen (1)
Peterson, Eric B. (1)
Pfleeger, Thomas G. (1)
Pinkerton, John Nelson (1)
Poplawsky, Alan R. (1)
Pratt, Lee Herbert (1)
Przybylowicz, Paul (1)
Quaye, Eric Charles (1)
Reynolds, James Edward (1)
Ripley, James Douglas (1)
Riznyk, Raymond Zenon (1)
Robinson, Andrew Frederick, jr. (1)
Robinson, Myles Canby (1)
Rose, Frederick Louis (1)
Rosso, Abbey L. (1)
Rosso, Pablo H. (1)
Saigo, Roy Hirofumi (1)
Scagel, Carolyn F. (1)
Scheck, Heather J. (1)
Schisler, David Albert (1)
Schoner, Carl Arnold (1)
Sen, Arun Kumar (1)
Shaner, Gregory Ellis (1)
Shaw, Charles G. (Charles Gardner) 1948 (1)
Sherman, Barbara Jane Powell, 1938 (1)
Sherrod, Leslie Lynn, 1940 (1)
Siemer, Sidney R. (1)
Sillett, Stephen Charles (1)
Smith, Jane E. (Jane Elizabeth) (1)
Soedjono, Estiti Harti (1)
Spears, Julie D. H. (1)
Steinman, Alan D. (1)
Stewart, Glenn H. (1)
Stone, Catherine S. (1)
Sugar, David (1)
Szabo, Leslie J. (1)
Templeton, Bonnie Carolyn (1)
Thilenius, John F., 1931 (1)
Tuori, Robert P. (1)
Tyrl, Ronald J. (1)
Verhey, Steven D. (1)
West, Neil E. (1)
Wheeler, John A. (John Allen) (1)
Whiting, Mark Carlos (1)
Williams, Harvey Dean (1)
Williamson, John D. (John David), 1948 (1)
Wilson, Barbara L. (1)
Wilson, Richard Hansel (1)
Winton, Loretta M. (1)
Wirtz, Felicia Pietrykowski (1)
Woods, Wendy W. (1)
Wright, Billie Dean (1)
Yorston, John Mckay (1)
Young, Robert J. (1)
Zehsazian, Hassan (1)
Date
1968 (17)
1963 (14)
1969 (13)
1982 (11)
1967 (8)
1983 (8)
1986 (8)
1964 (6)
1984 (6)
1992 (6)
1975 (5)
1985 (5)
1990 (5)
1995 (5)
1998 (5)
1981 (4)
1991 (4)
1996 (4)
1999 (4)
2000 (4)
1974 (3)
1989 (3)
1993 (3)
1997 (3)
2001 (3)
2002 (3)
1980 (2)
1987 (2)
1994 (2)
2004 (2)
1972 (1)
1979 (1)
1988 (1)
2005 (1)
Decade
1960-1969 (58)
1970-1979 (10)
1980-1989 (50)
1990-1999 (41)
2000-2009 (13)
Degree Field
Botany and Plant Pathology (172)
Degree Level
Doctoral (172)
Degree Name
Doctor of Philosophy (Ph.D.) (172)
File Format
application/pdf (4)
Language
English [eng] (172)
Non-Academic Affiliation
Oregon State University. Graduate School (172)
Peer Reviewed
No (163)
Resource Type
Dissertation (172)
Rights Statement
Copyright Not Evaluated (172)
Subject
Mycorrhizas (5)
Wheat -- Diseases and pests (5)
Stripe rust (4)
Douglas fir (3)
Douglas fir -- Diseases and pests (3)
Peppermint -- Diseases and pests (3)
Verticillium dahliae (3)
Abscisic acid (2)
Algae (2)
Cellular signal transduction (2)
Cytokinins (2)
Epiphytes -- Oregon (2)
Forest ecology -- Oregon (2)
Fungi in agriculture (2)
Fusarium (2)
Germination (2)
Growth (Plants) (2)
Hops -- Diseases and pests (2)
Mistletoes (2)
Nematoda (2)
Peas (2)
Pectinase (2)
Photosynthesis (2)
Phytophthora diseases (2)
Phytophthora lateralis (2)
Pine -- Diseases and pests (2)
Plant regulators (2)
Plant succession -- Oregon (2)
Plant viruses (2)
Plant-fungi relationships (2)
Plants -- Metabolism (2)
Plants -- Phylogeny (2)
Ponderosa pine (2)
Ponderosa pine -- Diseases and pests (2)
Rhizobium (2)
Roses -- Diseases and pests (2)
Septoria tritici (2)
Take-all disease (2)
Virus diseases of plants (2)
Wheat (2)
Wheat -- Genetics (2)
Wheat root rots (2)
Abies grandis -- Diseases and pests (1)
Acclimatization (Plants) (1)
Achillea millefolium (1)
Adelges (1)
Aegilops -- Classification (1)
Agrobacterium (1)
Agrobacterium tumefaciens (1)
Algae -- Ecology (1)
Algae -- Oregon (1)
Algae -- Oregon -- Metolius River (1)
Algae -- Oregon -- Yaquina Bay (1)
Ants -- Oregon -- Nests (1)
Aphanizomenon (1)
Apples -- Diseases and pests (1)
Aquatic animals -- Effect of water pollution on (1)
Artemesia (1)
Ascomycetes (1)
Aspergillus (1)
Asters (1)
Auxin (1)
Basidiomycetes (1)
Beans (1)
Beans -- Diseases and pests (1)
Bees -- Diseases (1)
Calochortus (1)
Cascade Range (1)
Catechol (1)
Cations (1)
Cedar -- Alaska (1)
Cell nuclei (1)
Cercosporella herpotrichoides (1)
Chamaecyparis nootkatensis (1)
Cherry -- Diseases and pests (1)
Cherry -- Diseases and pests -- Oregon (1)
Cladistic analysis (1)
Coarse woody debris -- Cascade Range (1)
Coarse woody debris -- Oregon (1)
Coastal ecology -- Oregon (1)
Coastal plants -- Oregon (1)
Cobalt (1)
Companion planting -- Oregon (1)
Conifers (1)
Conifers -- Diseases and pests -- British Columbia (1)
Conifers -- Roots -- Physiology (1)
Corn (1)
Cowpea -- Diseases and pests -- Biological control -- Sri Lanka (1)
Cowpea -- Diseases and pests -- Pakistan (1)
Crown-gall disease (1)
Cuphea -- Genetics (1)
Cutover lands -- Oregon (1)
Cyanobacteria (1)
Dahlias -- Diseases and pests (1)
Desert plants (1)
Diatoms -- Oregon -- Netarts Bay (1)
Eastern filbert blight -- Genetic aspects (1)
Ectomycorrhizal fungi -- Blue Mountains (Or. and Wash.) (1)
Ectomycorrhizal fungi -- Effect of fires on -- Blue Mountains (Or. and Wash.) (1)
Endangered plants -- Effect of fires on (1)
Enterobacteriaceae (1)
Enzymes (1)
Enzymes -- Analysis (1)
Epiphytes -- Cascade Range (1)
Epiphytic lichens -- Ecology -- Oregon -- Willamette National Forest (1)
Epiphytic lichens -- Effect of forest management on -- Oregon -- Willamette National Forest (1)
Erwinia carotovora (1)
Erysiphaceae (1)
Estuaries -- Oregon (1)
Estuarine ecology -- Oregon -- Yaquina Bay (1)
Fatty acids -- Synthesis (1)
Ferns -- Oregon -- Reproduction (1)
Ferns -- Oregon -- Roots (1)
Fescue -- Oregon -- Classification (1)
Fescue -- Oregon -- Identification (1)
Fescue -- Washington -- Classification (1)
Fescue -- Washington -- Identification (1)
Fir -- Diseases and pests (1)
Forest ecology -- Cascade Range (1)
Forest ecology -- Oregon -- Willamette River Valley (1)
Forest litter -- Biodegradation (1)
Forest management -- Blue Mountains (Or. and Wash.) (1)
Forest management -- Oregon (1)
Forest soils (1)
Forest soils -- Cascade Range (1)
Forest soils -- Oregon (1)
Forests and forestry -- Cascade Range (1)
Forests and forestry -- Oregon (1)
Foxtail (1)
Freshwater ecology (1)
Fungi -- Genetics (1)
Fungi speciation (1)
Gene expression (1)
Gibberellins (1)
Grassland ecology -- Oregon (1)
Hazelnuts -- Disease and pest resistance -- Genetic aspects (1)
Heteroderidae humuli (1)
Host-fungus relationships (1)
Humus (1)
Immunospecificity (1)
Inonotus -- British Columbia (1)
Insecticides (1)
Iris (Plant) -- Diseases and pests (1)
Kidney bean (1)
Klebsiella -- Ecology (1)
Larches (1)
Lassen Volcanic National Park (Calif.) (1)
Late blight of potato (1)
Lathyrus -- Classification (1)
Legumes (1)
Legumes -- Pacific Coast (North America) (1)
Lentils (1)
Leucogaster (1)
Lichen communities -- Climatic factors -- Oregon, Western (1)
Lichen communities -- Ecology -- Oregon, Western (1)
Lichen communities -- Effect of air pollution on -- Oregon, Western (1)
Lichens -- Climatic factors -- Oregon, Western (1)
Lichens -- Ecology -- Oregon, Western (1)
Lichens -- Effect of air pollution on -- Oregon, Western (1)
Lichens -- Oregon (1)
Limnology -- Oregon -- Klamath Marsh (1)
Lupines -- Northwest, Pacific -- Roots (1)
Marchantiales (1)
Marshes -- Oregon -- Salmon River Estuary (1)
Microseris (1)
Mints (Plants) (1)
Monooxygenases (1)
Mosaic diseases (1)
Mountain plants -- Cascade Range (1)
Mountain plants -- Oregon (1)
Mustard (1)
Mychorrhizas -- Northwest, Pacific (1)
Mycorrhizal fungi (1)
Mycorrhizal fungi -- Oregon (1)
Mycorrhizal plants (1)
Mycorrhizas -- Cascade Range (1)
Mycorrhizas -- Washington (State) (1)
Nematode diseases of plants (1)
Nitrification (1)
Nitrogen -- Fixation (1)
Nitrosomonas -- Physiology (1)
Oats -- Diseases and pests (1)
Onions -- Diseases and pests (1)
Orchard grass (1)
Oregon oak -- Ecology -- Oregon -- Willamette River Valley (1)
Paleobotany -- California -- Los Angeles County (1)
Paleobotany -- Pleistocene (1)
Paper mills -- Environmental aspects (1)
Parasites (1)
Pear -- Diseases and pests (1)
Pear -- Storage -- Diseases and injuries (1)
Peppermint (1)
Periphyton (1)
Pesticide resistance -- Northwest, Pacific (1)
Phacelia (1)
Phellinus -- Genetics (1)
Phellinus -- Northwest, Pacific (1)
Phialophora (1)
Phytopathogenic bacteria (1)
Phytophthora -- Control (1)
Phytoplankton (1)
Pink-root disease (1)
Plant biomass -- Effect of forest management on -- Oregon -- Willamette National Forest (1)
Plant cell membranes (1)
Plant cell walls (1)
Plant communities -- Oregon (1)
Plant communities -- Oregon -- Willamette River Valley (1)
Plant competition (1)
Plant conservation -- Northwest, Pacific (1)
Plant diversity (1)
Plant ecology (1)
Plant hormones (1)
Plant nematodes (1)
Plant succession (1)
Plant succession -- Cascade Range (1)
Plant succession -- Washington (State) (1)
Plant viruses -- Pakistan (1)
Plant-fungi relationships -- Cascade Range (1)
Plant-fungi relationships -- Washington (State) (1)
Plant-soil relationships -- Oregon (1)
Polyploidy (1)
Ponderosa pine -- Blue Mountains (Or. and Wash.) -- Roots (1)
Ponderosa pine -- Ecology -- Blue Mountains (Or. and Wash.) (1)
Port Orford cedar -- Disease and pest resistance (1)
Port Orford cedar -- Disease and pest resistance -- Genetic aspects (1)
Port Orford cedar -- Genetic engineering (1)
Potatoes -- Oregon -- Growth -- Mathematical models (1)
Prairie plants -- Effect of fires on (1)
Prairie plants -- Fertilizers -- Oregon (1)
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