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Horticulture and Crop Science

Photo of John PetersonDepartment Head
John Peterson, Ph.D.
Rutgers University
11-228, 756-2279, drjohncp@calpoly.edu


Dr. Peterson has most recently served as Director of the San Francisco Botanical Garden and Conservatory of Flowers in Golden Gate Park. He has also served as President and CEO of Turtle Bay Exploration Park in Redding California as well as the Massachusetts Horticultural Society in Boston / Wellesley Massachusetts and oversaw the development of new public gardens and educational programs for both organizations. While serving as a Professor at The Ohio State University, Dr Peterson was placed on loan by the university for 5 years to organize the United States First International Flower and Garden Exposition, which was held in Columbus, Ohio. Dr. Peterson currently serves as the U.S. delegate to an international committee that sanctions specialized international garden expositions that promote horticulture to the public around the globe. His research and teaching activities have been focused in the areas of plant nutrition, water quality, floriculture, tropical foliage plants and greenhouse crops as well as international issues in horticulture and crop science.


Photo of Wyatt BrownJ. Wyatt Brown, Ph.D. 
Cornell University
11-227, 756-6137, wbrown@calpoly.edu


Dr. Brown teaches Post-harvest Technology of Horticulture Crops, Vegetable Crop Production, Tropical Crop Production, and Vegetable Gardening.  Dr. Brown's research interests are the modified atmosphere packaging of herbs and pre-cut vegetables. He has recently conducted research involving broccoli, cauliflower, green onions, artichokes, sweet potatoes, and cilantro.  Dr. Brown has a strong interest in teaching and is working with 3 Western universities to develop a totally on-line course in sustainable vegetable production.


Photo of Michael CostelloMichael Costello, Ph.D.
UC Berkeley
11-221, 756-6732, mcostell@calpoly.edu


Dr. Costello teaches Insect Pest Management, Pest Management in Coastal Winegrapes and Agricultural Chemical and Equipment Safety. His specializations are in Grape pest management, spiders in agriculture, cover cropping, plant-insect interactions, insect response to plant water status, spider mites, and agroecosystem management for control of insect pests. His current research includes cultural practices for integrating arthropod pest management with improvements in grape and wine quality, identifying environmental variables that influence the severity of Pierce's disease and the Glassy-winged sharpshooter, and interaction among weeds, ants and obscure mealybug in Central Coast vineyards.  


Photo of Thomas Eltzroth Thomas E. Eltzroth
Ohio State University
11-254, 756-2888, teltzrot@calpoly.edu


Mr. Eltzroth teaches Plant Materials and Plant Propagation, and is the Department's coordinator of internships in the area of arboreta, botanical gardens and public gardens. He oversees the department's Leaning Pine Arboretum and is a member of several professional and trade organizations including the American Association of Botanical Gardens and Arboreta. Mr. Eltzroth has coauthored five horticultural books and his professional work appears regularly in numerous print publications, slide sets, and CD-ROMs. Specialties: Plant Propagation; Plant Materials; Horticultural Photography.


Photo of Lauren GarnerLauren C. Garner, Ph.D.
UC Riverside
11-223, 756-2479, lgarner@calpoly.edu


Dr. Garner teaches California Fruit Growing, Citrus and Avocado Fruit Production and Pomology. Her current research interests include the physiology and production of avocado and citrus. Other teaching and research interests include whole-plant physiology, plant growth regulation, plant responses to stress and experimental design.




Photo of David HanningsDavid W. Hannings, M.S.
Cornell University
11-238, 756-2870, dhanning@calpoly.edu


Mr. Hannings teaches Plant Materials, Nursery Plant Production, Fundamentals of Ornamental Horticulture, Plant Tissue Culture, and Abiotic Plant Problems. He was twice a visiting fellow at the Victorian College of Agriculture and Horticulture in Australia. He has written two text books which are used in the department’s plants materials classes. He is a member of several professional organizations including the American Horticulture Society, the American Orchid Society, the American Society for Horticultural Science, the California Association of Nurseryman, and the International Plant Propagators Society. He is the recipient of two college faculty awards. Specialties: Tissue Culture; Orchids; Nursery Production; Plant Materials. 


Photo of David HeadrickDavid H. Headrick, Ph.D.
U.C. Riverside
11-246, 756-5382, dheadric@calpoly.edu


Dr. Headrick teaches Insect Pest Management, Advanced Pest Management, and Beekeeping. He has special interest in general entomology and the biological control of insect and weed pests in a variety of agroecosystems.






Photo of Danial LassanskeDaniel E. Lassanske, M.S.
Cal Poly, San Luis Obispo
48-000, 756-2722
, dlassans@calpoly.edu

Mr. Lassanske is a Cal Poly alumnus. He currently teaches courses in Retailing Horticultural Products, Nursery Production and Environmental Horticulture. He is active with the California Association of Nurseries and Garden Centers Organization, and serves on two committees. He has been the recipient of Cal Poly’s Meritorious Teaching Award, the Petoseed Agricultural Faculty Award, and the Advisor of the Year Award. Mr. Lassanske’s professional consulting includes working with garden centers on personnel management and marketing strategies. In addition, he has an interest in the seed industry, perennial and bedding plant production. He continues to be a co-coach for the Associated Landscape Contractors of America student competition team which has won first place nationally on a regular basis. 


Photo of Melinda LynchMelinda Lynch
CA Polytechnic State University, SLO
11-112A, 756-7504, mlynch@calpoly.edu

Mrs. Lynch is a Cal Poly Alumnus. She teaches our floral design classes offered in our department.  She is the advisor to the Gordon Student
Chapter of AIFD (SAIFD).  She coaches the National Floral Design teams for SAIFD and Flower Judging. She was inducted to AIFD in 2002. She is currently on the Board of Directors for the California Floral Association.

 


Photo of Duane MorrisDuane Morris, APLD
Ca. Polytechnic State University, San Luis Obispo
756-7504 rmorris@calpoly.edu

Duane Morris teaches classes in Landscape Design, Computer Graphics, and Plant Materials. He is active in professional organizations on both the state and national level. He is a member and past president of the San Luis Obispo Chapter of the California Landscape Contractors Association (CLCA) and certified member of the Association of Professional Landscape Designers (APLD), having served on their board of directors for two years. Mr. Morris is a licensed landscape contractor in California, consults for Garden Graphics, a Canadian developer of landscape design/build software, and has served on the city of San Luis Obispo’s Architectural Review Committee. He is an advisor to the Horticulture and Crop Science Department’s Landscape Industry Club (LIC). Specialties: Residential and Advanced Landscape Design; Computer Applications for Landscape Horticulture and Communication Techniques for Horticulture.


Photo of George NewellGeorge Newell, M.S.
University of Nebraska, Lincoln
11-237, 756-2150, gnewell@calpoly.edu


Mr. Newell teaches Parks Planning and Management, Turf Management, Plant Materials Identification, Fundamentals of Horticulture, and Field Studies. His achievements include holding a Pest Control Advisor’s license, membership in the California Landscape Contractors Association, and the Central Coast Pesticide Applicators Professional Association Committee on Continuing Education. He is co-coach of the Associated Landscape Contractors of America Student Landscape Competition Team.


Photo of Keith PattersonW. Keith Patterson, Ph.D.
University of Missouri
11-220, 756-6389, kpatters@calpoly.edu


Dr. Patterson teaches courses related to the viticulture curriculum. He currently teaches Vineyard Development, Introduction to Viticulture, Advanced Viticulture, and Pest Management in Coastal Vineyards. Specialties: Grapes; Trellis/Training; Rootstocks; Other Small Fruits.





Photo of John Phillips John C. Phillips, Ph. D.
Oregon State University
11-233,756-6146, jphillip@calpoly.edu


Dr. Phillips teaches Precision Farming, Experimental Techniques and Analysis, Cropping Systems, Organic Agriculture, and Holistic Management.  He supervises student enterprise projects producing organic vegetables and fruit. Dr. Phillips is interested in field and vegetable crop production, agroecology, and sustainability of agriculture and society.  He is one of the founders of the Sustainable Agriculture Resource Consortium in the College of Agriculture.  He is active in departmental curriculum review and has been instrumental in creating four interdisciplinary courses, three of which are general education courses. Specialties: Sustainable Agriculture, Organic Farming, Holistic Management. 


Photo of Robert RiceRobert P. Rice, Ph.D.
Michigan State University
11-251, 756-2830, rrice@calpoly.edu


Dr. Rice teaches Disease and Pest Control Systems, Foliage Plant Production, Abiotic Plant Problems, Weed Control and Tropical Crops classes in both the Environmental Horticulture Science and Crop Science Departments. He is the author of three international horticulture textbooks, a Spanish-English agricultural dictionary and other professional books. He has worked extensively on development projects in Africa, the Middle East and the Caribbean and operates an international consulting firm. His interests include marathon running, gardening, and international development processes. Specialties: IPM; Weed Control; Tropical Horticulture. 


Photo Not AvailibleTerry L. Vassey
University of Missouri
11-246, 756-2858, tvassey@calpoly.edu


Dr. Vassey, originally from Atlanta, teaches courses primarily in turfgrass, landscape and golf course management and is the advisor for the Cal Poly Turf Club. His research interests are in sustainable turfgrass management, environmental stewardship, native and ornamental grass establishment and management and golf course management practices. He is associated with many turfgrass and golf course organizations and contributes often to their educational efforts.


Photo of Virginia WalterVirginia R. Walter, M.S.
Ohio State University 
11-244, 756-2897, vwalter@calpoly.edu


Ms. Walter teaches Horticulture Fundamentals, Floriculture Grades & Standards, Greenhouse Environment, Cut Flower Production and Potted Plant Production. She is advisor to Pi Alpha Xi, and coach of the Cal Poly Flower Judging Team, winning the Woody Kalin Award in 1993, 1994, and 1995 for coaching a national championship team. She is advisor to the FFA State Finals Floriculture Contest and advisor for numerous agriculture enterprise projects. She is a Fulbright scholar and is involved in various research projects involving floriculture crops. She is developing a CD-ROM to augment the greenhouse environment class. She is an active member of the American Society for Horticultural Science and a past working group chair. She is a member of the California Ornamental Research Federation Planning Board. Specialties: Greenhouse Production; Floriculture; Energy Conservation; Growing Media; Growth Regulators; Flower Judging. 



Photo of Michael ZohnsMichael D. Zohns, M.S.
Cal Poly, San Luis Obispo
48-000, 756-2722, mdzohns@calpoly.edu


Mr. Zohns is a Cal Poly alumnus. He has received the Cal Poly Distinguished Teacher Award, as well as the Sunkist Agriculture Faculty Award. His classes include Ornamental Horticulture Construction, Landscape Maintenance, Arboriculture, and occasionally, Agricultural Mechanics for Future High School Teachers. Mr. Zohns is one of the coaches for the ALCA national landscape team and is an active member of the Western Chapter for the International Society of Arboriculture. Specialties: Tree Care/Maintenance; Landscape Construction.


PART TIME HORTICULTURE AND CROP SCIENCE FACULTY

IANNEO, Chad

11-236

66779

chad@alcoservices.net

JEFFREYS, Scott

11-225

62224

sjeffrey@calpoly.edu

RODRIGUES, Daniel

11-234

66781

dmrodrig@calpoly.edu

WILL, Dr. M. Elizabeth

11-226

66778

ewill@calpoly.edu

WELCH, Mark D.

11-225

62224

mwelch@calpoly.edu




STAFF:
Ellen Brack 756-2995 ebrack@calpoly.edu
Paul DeCarli 756-2904 pdecarli@calpoly.edu
Sharon Dobson 756-2994 sdobson@calpoly.edu
Launnie Ginn 756-2249 llginn@calpoly.edu
Rosa Jones 756-2279 rjones@calpoly.edu
Jim Matheny 756-7205 jmatheny@calpoly.edu
Tamea White 756-2279 trwhite@calpoly.edu

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Last Updated: 2/19/2008
College of Agriculture, Food and Environmental Sciences
California Polytechnic State University
San Luis Obispo, CA 93407
805-756-2161

Photo of Jeffrey WongJeffrey L. Wong, Ph.D. 
University of Illinois
11-222, 756-2428, jcwong@calpoly.edu


Dr. Wong is teaching an introductory class and laboratory in genetics. "The techniques and experimental approach I use can be applied to many plant species. Crop and vegetable species grown on the Central Coast could be used to prove the link between the basic science concepts and the field application," Wong explains. He also wants to design and teach a laboratory techniques class. The course would use the newest technologies to differentiate plant DNA to help select genes that would provide the best plant types for cultivation.