Off Campus Faculty

Below you will find a map showing the location of Horticulture faculty members all over the State of Oregon. Research and extension centers are in BLUE and county offices are in GREEN. Click on a location to list the faculty members located at each facility.


Nahla Bassil
Research Plant Geneticist, Courtesy

USDA-ARS (NCGR)
33447 SE Peoria Rd.
Corvallis, OR 97333
Office Phone: (541) 738-4214
Fax: (541) 738-4205

nahla.bassil@ars.usda.gov

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  • Molecular genetics of temperate fruits and nuts

Neil Bell
Extension Horticulturist

Marion County Extension Service
3180 Center St NE, Rm. 1361
Salem, OR 97301
Office Phone: (503) 361-2671
Fax: (503) 585-4940

neil.bell@oregonstate.edu

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  • Consumer horticulture

Denny Bruck
Research Entomologist, Courtesy

USDA-ARS (HCRL)
3420 NW Orchard Ave.
Corvallis, OR 97331
Office Phone: (541) 738-4026
Fax: (541) 738-4025

denny.bruck@ars.usda.gov

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  • Insect pathology

David Bryla
Research Horticulturist, Courtesy

USDA-ARS (HCRL)
3420 NW Orchard Ave.
Corvallis, OR 97331
Office Phone: (541) 738-4094
Fax: (541) 738-4025

david.bryla@ars.usda.gov

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  • Berry crops production and physiology

Charles E. Bubl
Extension Staff Chair

Columbia County Extension Service
505 N Columbia River Hwy
St Helens, OR 97051
Office Phone: (503) 397-3462
Fax: (503) 397-3467

chip.bubl@oregonstate.edu

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  • Extension agriculture/livestock

Steve Castagnoli
Associate Professor

Hood River County Extension Service
2990 Experiment Station Dr.
Hood River, OR 97031
Office Phone: (541) 386-3343
Fax: (541) 386-3684

steve.castagnoli@oregonstate.edu

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  • Tree fruits

George H. Clough
Associate Professor

Hermiston Agricultural Research & Extension Center (HAREC)
PO Box 105
Hermiston, OR 97838-0105
Office Phone: (541) 567-6337
Fax: (541) 567-2240

george.clough@oregonstate.edu

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  • Vegetable crops production

Joe DeFrancesco
Extension Horticulturist

North Willamette Research & Extension Center (NWREC)
15210 NE Miley Rd.
Aurora, OR 97002-9543
Office Phone: (503) 678-1264 x145
Fax: (503) 678-5986

dfrancj@hort.oregonstate.edu

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  • IR-4

Amy Jo Detweiler
Associate Professor

Deschutes County Extension Service
3893 SW Airport Way
Redmond, OR 97756-8697
Office Phone: (541) 548-6088 x12
Fax: (541) 548-8919

amyjo.detweiler@oregonstate.edu

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  • Agriculture/horticulture

Barb Fick
Extension Horticulturist

Benton County Extension Service
1849 NW 9th St.
Corvallis, OR 97330
Office Phone: (541) 766-6075
Fax: (541) 766-3549

barb.fick@oregonstate.edu

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  • Home horticulture

Chad E. Finn
Research Geneticist, Courtesy

USDA-ARS (HCRL)
3420 NW Orchard Ave.
Corvallis, OR 97331
Office Phone: (541) 738-4037
Fax: (541) 738-4025

chad.finn@ars.usda.gov

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  • Small fruit breeding and genetics

Kim Hummer
Research Leader, Curator, Courtesy

USDA-ARS (NCGR)
33447 SE Peoria Rd.
Corvallis, OR 97333
Office Phone: (541) 738-4201
Fax: (541) 738-4205

kim.hummer@ars.usda.gov

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  • Germplasm management

Clive Kaiser
Assistant Professor

Umatilla County Extension Service
Milton-Freewater Office
418 N Main Street
Milton-Freewater 97862-0905
Office Phone: (541) 938-5597
Fax: (541) 938-4097

clive.kaiser@oregonstate.edu

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  • Fruit, apples, cherries, wine grapes, viticulture, extension

Diane Kaufman
Associate Professor

North Willamette Research & Extension Center (NWREC)
15210 NE Miley Rd.
Aurora, OR 97002-9543
Office Phone: (503) 678-1264 x123
Fax: (503) 678-5986

diane.kaufman@oregonstate.edu

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  • Small fruits

Jana Lee
Research Entomologist, Courtesy

USDA-ARS (HCRL)
3420 NW Orchard Ave.
Corvallis, OR 97331
Office Phone: (541) 738-4110
Fax: (541) 738-4025

jana.lee@ars.usda.gov

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  • Improve biologically-based methods for pest management of foliar pests

Lynn E. Long
Extension Staff Chair

Wasco County Extension Service
400 E Scenic Dr, Ste 2278
The Dalles, OR 97058
Office Phone: (541) 296-5494
Fax: (541) 298-3574

lynn.long@oregonstate.edu

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  • Agriculture/horticulture

Ruth Martin
Research Molecular Biologist, Courtesy

USDA-ARS (NFSPRC)
3450 SW Campus Way
Corvallis, OR 97331
Office Phone: (541) 738-4174
Fax: (541) 738-4160

ruth.martin@ars.usda.gov

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  • Cytokinins, tissue culture

Melissa Matthewson
Extension Horticulturist

Jackson County Extension Service
569 Hanley Rd.
Central Point, OR 97502-1251
Office Phone: (541) 776-7371
Fax: (541) 776-7373

melissa.matthewson@oregonstate.edu

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  • Small farms

Daniel McGrath
Extension Staff Chair

Linn County Extension Service
PO Box 765
Albany, OR 97321
Office Phone: (541) 967-3871
Fax: (541) 967-9169

daniel.mcgrath@oregonstate.edu

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  • Agriculture/vegetable crops

Linda McMahan
Extension Staff Chair

Yamhill County Extension Service
2050 Lafayette St.
McMinnville, OR 97128-9333
Office Phone: (503) 434-7517
Fax: (503) 472-3054

linda.mcmahan@oregonstate.edu

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  • Agriculture/horticulture

Robert McReynolds
Associate Professor

North Willamette Research & Extension Center (NWREC)
15210 NE Miley Rd.
Aurora, OR 97002-9543
Office Phone: (503) 678-1264 x125
Fax: (503) 678-5986

bob.mcreynolds@oregonstate.edu

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  • Agriculture/vegetable production

Weston Miller
Associate Professor

North Willamette Research & Extension Center (NWREC)
15210 NE Miley Rd.
Aurora, OR 97002-9543
Office Phone: (503) 678-1264 x114
Fax: (503) 678-5986

weston.miller@oregonstate.edu

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  •  Urban horticulture

Jeffery L. Olsen
Professor

Yamhill County Extension Service
2050 Lafayette St.
McMinnville, OR 97128-9333
Office Phone: (503) 434-8915
Fax: (503) 472-3054

jeff.olsen@oregonstate.edu

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  • Agriculture/horticulture

James S. Owen Jr.
Assistant Professor

North Willamette Research & Extension Center (NWREC)
15210 NE Miley Rd.
Aurora, OR 97002-9543
Office Phone: (503) 678-1264 x124
Fax: (503) 678-5986

jim.owen@oregonstate.edu

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  • Irrigation and water management in containerized crop production
  • Phosphorus fate in nursery production
  • Substrate physics and fertility
  • Containerized crop nutrition
  • Ornamental cutting propagation

Ross Penhallegon
Associate Professor

Lane County Extension Service
950 W 13th Ave.
Eugene, OR 97402-3913
Office Phone: (541) 682-7313
Fax: (541) 682-2377

ross.penhallegon@oregonstate.edu

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  • Agriculture/horticulture

Barbara M. Reed
Research Plant Physiologist, Courtesy

USDA-ARS (NCGR)
33447 SE Peoria Rd.
Corvallis, OR 97333
Office Phone: (541) 738-4216
Fax: (541) 738-4205

barbara.reed@ars.usda.gov

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  • Tissue culture
  • Cryopreservation

Richard Regan
Associate Professor

North Willamette Research & Extension Center (NWREC)
15210 NE Miley Rd.
Aurora, OR 97002-9543
Office Phone: (503) 678-1264 x22
Fax: (503) 678-5986

rich.regan@oregonstate.edu

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  • Agriculture/nursery crops
  • Irrigation water use and conservation
  • Soil and container substrate management
  • Nutrition of nursery crops
  • Plant problem diagnosis
  • Winter protection of nursery crops
  • Disease management of Phytophthora and Verticillium
  • Insect management of European Pine Shoot Moth and Lygus bug
  • Shade and flowering tree production

Steve Renquist
Associate Professor

Douglas County Extension Service
1134 SE Douglas
PO Box 1165
Roseburg, OR 97470
Office Phone: (541) 672-4461
Fax: (541) 672-4453

steve.renquist@oregonstate.edu

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  • Agriculture/horticulture

Robin Rosetta
Associate Professor

North Willamette Research & Extension Center (NWREC)
15210 NE Miley Rd.
Aurora, OR 97002-9543
Office Phone: (503) 678-1264 x133
Fax: (503) 678-5986

robin.rosetta@oregonstate.edu

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  • Nursery/Greenhouse Integrated Pest Management
  • Biological Control Implementation
  • Management of honeylocust pod gall midge and root weevils
  • Current research areas include borers in nursery production and management of rose midge

Carolyn Scagel
Research Plant Physiologist, Courtesy

USDA-ARS (HCRL)
3420 NW Orchard Ave.
Corvallis, OR 97331
Office Phone: (541) 738-4063
Fax: (541) 738-4025

carolyn.scagel@ars.usda.gov

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  • Root physiology of nursery crops
  • Adventituous rooting
  • Nutrition
  • Mycorrhizal fungi

Paul Schreiner
Research Plant Physiologist, Courtesy

USDA-ARS (HCRL)
3420 NW Orchard Ave.
Corvallis, OR 97331
Office Phone: (541) 738-4084
Fax: (541) 738-4025

paul.schreiner@ars.usda.gov

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  • Mycorrhizae in small fruit cropping systems
  • Mineral nutrition
  • Soil structure

David Sugar
Professor

Southern Oregon Research & Extension Center (SOREC)
569 Hanley Rd.
Central Point, OR 97502-1251
Office Phone: (541) 772-5165
Fax: (541) 772-5110

david.sugar@oregonstate.edu

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  • Tree fruit production
  • Pathology
  • Postharvest

Philip VanBuskink
Extension Staff Chair

Jackson County Extension Service
569 Hanley Rd.
Central Point, OR 97502-1251
Office Phone: (541) 776-7371
Fax: (541) 776-7373

philip.vanbuskirk@oregonstate.edu

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  • Agriculture/horticulture

Linda White
Assistant Professor

Coos County Extension Service
631 Alder St.
Myrtle Point, OR 97458
(541) 572-5263

linda.white@oregonstate.edu
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Michael Wisniewski
Research Plant Physiologist, Lead Scientist, Courtesy

USDA-ARS Appalachian Fruit Research Station
45 Wiltshire Rd
Kearneysville, WV 25430
Office Phone: (304) 725-3451
Fax: (304) 728-2340

michael.wisniewski@ars.usda.gov

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  • Biochemistry and genetic regulation of stress adaptation in woody plants
  • Biological control of postharvest diseases of fruit

Wei Qiang Yang
Associate Professor

North Willamette Research & Extension Center (NWREC)
15210 NE Miley Rd.
Aurora, OR 97002-9543
Office Phone: (503) 678-1264 x126
Fax: (503) 678-5986

wei.yang@oregonstate.edu

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