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• Division of Agriculture
• Arkansas Agriculture Experiment Station
• Cooperative Extension Service

Education

• B.S.-University of Arkansas Little Rock (Spanish)
• M.S.-University of Arkansas (Plant Pathology)
• B.A.-Hendrix College (Biology)

Service

Has served as the President of the Arkansas Crop Protection Association, the Arkansas State Horticultural Society, and the American Association of Pesticide Safety Educators.

Research Emphasis

Teaching/Extension:
Coordinates the Pesticide Safety Education Program for training and certifying pesticide applicators.  Develops the training materials and funding mechanisms to support both private and commercial applicator certification.  Conducts numerous training classes each year in which approximately 1500 commercial applicators are trained on the various aspects of pesticide safety.  Topics include label comprehension, drift minimization, personal and environmental safety, application equipment and calibration, integrated pest management, and pesticide stewardship.  Approximately 4,000 private applicators are certified each by county Extension agents using the materials and equipment provided by Mr. Spradley.

Serves as the State Contact for the Southern Region Integrated Pest Management Center.  Coordinates the development of crop profiles and pest management strategic plans for Arkansas commodities.

Honors and Awards

• Epsilon Sigma Phi - State Team Award (1991)
• USDA Certificate of Appreciation for the Biologic and Economic Assessment of Pest Management in Rice (1996)
• Extension Excellence Issue Team Award  - Arkansas Working Group on Introduced Plant Diseases (2005)
• Sigma Delta Pi - Spanish Honor Society (2003)

Publications

Pest Management Strategic Plan for Midsouth Soybeans (AR, LA, MS). 2005.  Funded by SRPMC.  Mr. Spradley was the overall Project Director for this PMSP

Pest Management Strategic Plan for Midsouth Rice (AR, LA, MS). 2004.  Funded by SRPMC.  Mr. Spradley was the overall Project Director for this PMSP

Pest Management Strategic Plan for Midsouth Cotton (AR, LA, MS). 2003.  Funded by SRPMC.  Mr. Spradley was the overall Project Director for this PMSP

Andersen, C.R., J.P. Spradley. 2003. Crop Profile for Arkansas Snap Beans.  Division of Agriculture, University of Arkansas.

Johnson, D.T., B.A. Lewis, R.K. Striegler, C. Lake, and J.P. Spradley. 2003. Crop Profile for Arkansas Apples.  Division of Agriculture, University of Arkansas.

Johnson, D.T., B.A. Lewis, and J.P. Spradley. Revised 2005. Crop Profile for Arkansas Blackberries.  Division of Agriculture, University of Arkansas.

Johnson, D.T., B.A. Lewis, S. Vann, R.K. Striegler, and J.P. Spradley. 2003. Crop Profile for Arkansas Blueberries.  Division of Agriculture, University of Arkansas.

Johnson, D.T., B.A. Lewis, R.K. Striegler, C. Lake, and J.P. Spradley. 2003. Crop Profile for Arkansas Grapes.  Division of Agriculture, University of Arkansas.

Johnson, D.T., B.A. Lewis, R.K. Striegler, C. Lake, and J.P. Spradley. 2003. Crop Profile for Arkansas Peaches.  Division of Agriculture, University of Arkansas.

Johnson, D.T., B.A. Lewis, R.K. Striegler, and J.P. Spradley. 2003. Crop Profile for Arkansas Pecans.  Division of Agriculture, University of Arkansas.

Johnson, D.T., B.A. Lewis, R.K. Striegler, and J.P. Spradley. 2003. Crop Profile for Arkansas Strawberries.  Division of Agriculture, University of Arkansas.

Andersen, C.R., J.P. Spradley. 2003. Crop Profile for Arkansas Tomatoes.  Division of Agriculture, University of Arkansas.

Andersen, C.R., J.P. Spradley. 2003. Crop Profile for Arkansas Watermelons.  Division of Agriculture, University of Arkansas.

Spradley, J.P.  1998. Helpful Information for the Worker Protection Standard. Cooperative Extension Service, University of Arkansas.  AG-497 (updated yearly since initial publication)

Spradley, J.P. and T.E. Windham.  1996.  The Biologic and Economic Assessment of Pest Management in Rice.  National Agricultural Pesticide Impact Assessment Program, Document Number 2-CA-95: 1-289.

Spradley, J.P.  1994.  1992 Arkansas Rice Pesticide Use Survey.  Cooperative Extension Service, University of Arkansas.  ETB 251: 1-44.

Spradley, J.P. 1993.  1991 Arkansas Soybean Pesticide Use Survey.  Cooperative Extension Service, University of Arkansas.  ETB 206: 1-40.

Spradley, J.P. 1992.  1990 Survey of Pesticide Use on Major Vegetable Crops in Arkansas.  Cooperative Extension Service, University of Arkansas.  ETB 173: 1-52.

Spradley, J.P. 1992.  1991 Survey of Pesticide Use on Major Fruit Crops in Arkansas.  Cooperative Extension Service, University of Arkansas.  ETB 175: 1-71.

Spradley, J.P. 1991.  Toxicity of Pesticides to Fish.  Cooperative Extension Service, University of Arkansas.  MP 330: 1-26.