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 Expert  108483

Expert in Plant Pathology, Forensic Agricultural Sciences and Custom Research

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career Accomplishments Consulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
FORENSIC PLANT PATHOLOGY; PESTICIDES; BACTERICIDE; FUNGICIDE; NEMATICIDE. Expert was in charge of screening for disease control chemicals at Eli Lilly and Company. Since then he has done field research for several chemical companies. He has consulted on these types of compounds since 1972. Expert is an expert in forensic plant pathology. He has worked as a plant pathologist for over 25 years. He has extensive experience investigating crop damage and diseases. He is experienced with pesticides, and crop damage resulting from their improper application. Expert can isolate and identify pathogens from the disease tissue of many types of crop and ornamental plants. He is acquainted with the Spanish measles diseases of grapes, as well as bean seed problems. He has worked with chemical companies, pesticide applicators, attorneys, growers, insurance companies, water districts, commodity groups, seed companies, and farming companies. He was responsible for the pathology and pesticide portion of the plant protection program at California State University from 1970-92, where he trained pest control advisors and agricultural inspectors.

FUNGI; PLANT VIRUSES; PLANT DISEASE DIAGNOSIS. Expert has worked with fungi since 1960. For 30 years he has worked on disease diagnosis for plants. He has had a consulting specialty in diagnosis since 1971.






crop damage




fungicide environmental effect










pesticide environmental effect


plant disease diagnosis


plant pathology


plant viral disease


crown gall




paraquat damage


phytotoxicity damage


custom research

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Fresno, California;  Modesto, California;  Salinas, California;  Visalia, California;  Clovis, California;  Merced, California;  and Turlock, California.

Often requested
with this expert:

Plant Pathology
Agronomy, Pest Management, Plant Pathology (Epidemiology...
Agriculture, Pesticides, Plant Pathology, Entomology, Crop...
Plant Pathology

Year   Degree   Subject   Institution  
1964   PhD   Plant Pathology   University of Arizona  
1961   MS   Plant Pathology   West Virginia University  
1959   BS   Biology and Chemistry   West Liberty State College  

Work History:
Years   Employer   Title   Responsibilities

1992 to 2008


Expert & Steinberg


Consultant, Forensic Plant Pathology


1974 to 1992


California State University Fresno




Courses taught: Introductory Plant Pathology, Diseases of Field Crops, Diseases of Vegetable Crops, Diseases of Fruit Crops, Diseases of Ornamental Crops, Soil Microbiology, Grape Diseases and their Control, Introduction to Plant Protection, Properties of Pesticides, and Diagnosis of Plant Diseases. Graduate courses in Plant Disease Management and Physiology of Pesticides. Served on Academic Senate and Executive Committee. Received Excellence in Teaching Award from Dean of School of Agriculture. Professor Emeritus of Plant Pathology conferred in 1993 by President of University.

1970 to 1974


California State University Fresno


Associate Professor


1964 to 1970


Eli Lilly and Company


Senior Plant Pathologist and Plant Field Research Representative


Screened compounds for biological activity in laboratory, greenhouse, and field. Research in turf diseases. Served as Senior Plant Pathologist and Plant Science Field Research Representative. Field Research position in Fresno, CA involved testing fungicides and other agricultural chemicals. Investigated customer product complaints.

Career Accomplishments:

Expert is a member of the American Phytopathological Society. He has served on numerous committees of this society since 1960. He also served on the California Pest Control Advisory Committee as a representative of California State University. He served as a member of the board of directors of the Council for Agricultural Science and Technology (CAST) from 1980-83, and on the education and nominating committees.


He is a certified arbitrator for the American Arbitration Association.

Professional Appointments

Member of American Phytopathological Society since 1960. Served as chairman of Illustrations of Plant Pathogens, Teaching Committees, and Private Practice Committee August 2001. Attended most annual and some international meetings since 1960. Member of Pacific Division of American Phytopathological Society. Served on California Pest Control Advisory Committee as representative of California State University, Fresno. Chairman of two sub-committees and member of others. This committee developed tests and training for Pest Control Advisors. Past member of Board of Directors of Council for Agricultural Science and Technology (CAST) and served on the education and nominating committees. Organized a task force for CAST on importation of pests and represented the American Phytopathological Society in this position. Member of Teltech - A Nationwide Technical Knowledge Service to Industry. Director of Education for the California Agricultural Leadership Program since 1988.

Consulting Services:
Selected Consulting Examples:
  • Field research project for Citrus Research Board (1999-2002). Testing a plant growth regulator and fungicides on citrus.Crop injury and/or disease.
  • Drift on crops of chemicals.Research plant pathologist during the 6-month table grape season for two large vineyards and cold storage facilities in Delano, California on a yearly basis.
  • Weather, fire, insect, and storage related injury.Consultant to Quimetal on Chilean SO2 pads for grape shipments.
  • Cultivation problems.Consultant to several cities in the Calleguas Watershed and Santa Barbara area concerning water quality issues 2000-2001.
  • Damage due to Phytotoxicity
Recent Client Requests:
  • Labeling expert familiar with Prop 65 for consulting on magnesium chloride and sulfate of potash fertilizers.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
He has given many depositions and extensive expert court testimony in CA and other states in US.
Recent Litigation Client Requests:
  • Expert in Plant Pathology.
  • Chemical fungicide expert for consulting on Copper zinc manganes based fungicides.
  • Cotton Yield Damages
  • Botanist expert for consulting on papaver somniferum.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Market Research:
Diagnosis of disease problems on many crops not listed Fly control in dairies Evaluation of land resources Malfunction of harvesting equipment Farm dust conditions causing auto accidents

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:

Gave invited papers at International Phytopathology meetings. Gave seminars to many major universities and national phytopathology meetings on forensic plant pathology. Invited to give Forensic Plant Pathology Seminar to the University of Arizona graduate students and faculty September 2001.

Supplier and Vendor Location and Selection

Expert has experience locating vendors of agricultural chemicals.

Other Skills and Services

Custom Research and Cold Storage monitoring


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