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Dr. Gerry Spinelli

Production Horticulture Advisor
Cooperative Extension
9335 Hazard Way
Suite 201
San Diego, CA 92123
5303043738
gspinelli@ucdavis.edu Create VCard

Biography

Gerry's Website: https://ucanr.edu/sites/floriculturenursery/

Gerardo (Gerry) Spinelli is the new Production Horticulture Advisor serving the Nursery and Floriculture industry in San Diego. Gerry conducts applied research, extension, and education to improve viability and profitability of the Nursery and Floriculture industry, while conserving natural resources and complying with regulations. The Nursery and Floriculture industry in San Diego county is the first in California for volume of sales and the second in the US.

Gerry’s primary interests are irrigation management and water quality. These themes are a primary concern for growers given the high cost of water and the pressure from local and state water quality regulators. Nitrogen management is another of the advisor’s interests, given its strong relation to water management and its importance in the environmental impact of horticultural industry.

Pests, particularly invasive ones are another pressing issue for the industry. With the large volumes of ornamentals moving in and out from other states (primarily Florida and Hawaii), San Diego is particularly exposed to this threat.

Gerry is also interested in other themes unique to San Diego county, including urban agriculture and horticulture in the rural-urban interface and food deserts in low-income areas. Local growers face issues urban development encroaching into rural areas increasing the cost of real estate and the competition for water.

Nursery and Floriculture growers in San Diego county have shown the great ability to quickly react to these forces and adapt production practices to keep the industry profitable. Gerry’s primary concern is to conduct a research and extension program that serves the industry in present and future challenges.

Education

Ph.D. Horticulture and Agronomy, UC Davis. 2015
M.S. International Agricultural Development, UC Davis. 2011
M.S. Tropical Agriculture, University of Florence, Italy. 2008
B.S. Agricultural Sciences and Technologies, University of Florence, Italy. 2005

Discipline

Horticulture

Specialty

Nurseries and Floriculture

Areas of Expertise (click to see all ANR academics with this expertise)

Bibliography

Non-Peer Reviewed

  • Gerardo Spinelli, Bruno Pitton (2022). Fertilizer injectors and fertigation for nurseries and greenhouses. San Diego Cooperative Extension Newsletter. May 2022.
  • Spinelli, Gerry (2022). How to measure nitrate concentration in irrigation water. San Diego Grown Magazine. April 2022.
  • Technical Report - Irrigation system performance evaluation report with recommendations to improve efficiency #1, Altman Plants - Fallbrook facility - March 2021

  • Reporte de evaluación de desempeño de sistema de riego con recomendaciones para mejorar eficiencia #1, Altman Plants - Vivero de Fallbrook - Marzo 2021

  • Reporte de evaluación de desempeño de sistema de riego con recomendaciones para mejorar eficiencia, Altman Plants, Vivero de Escondido, #1 - Marzo 2021

  • Reporte de evaluación de desempeño de sistema de riego con recomendaciones para mejorar eficiencia, Altman Plants, Vivero de Escondido, #2 - Junio 2021

  • Technical Report - Irrigation system performance evaluation report with recommendations to improve efficiency #2, Altman Plants - Fallbrook facility - July 2021

  • Technical Report - Irrigation system performance evaluation report with recommendations to improve efficiency #3, Altman Plants - Fallbrook facility - December 2021

  • Cahn, Michael; Lockhart, Thomas, et al. (2021). A new water treatment technology to reduce sediment and pesticides in agricultural runoff using polyacrylamide (PAM). Salinas Valley Agriculture Blog. January 2021.
  • Cahn, Michael; Lockhart, Thomas, et al. (2021). Reducing Sediment & Pesticides in Ag Runoff. Vegetables West. March 2021.

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