Heather B. Vallier, Ph.D

Senior Plant Pathologist, Nematologist, Virologist, & Plant Health Diagnostician
  • Crop Doctor Laboratory
  • Selecting Samples
  • Make a Payment or Purchase Services
  • Staff
  • Contact

Contact The Crop Doctor Laboratory

Heather B. Vallier, Ph.D

Senior Plant Pathologist, Nematologist
Virologist, & Plant Health Diagnostician

Phone: (805)927-7707
Email: cropdoctor@gmail.com

1531 Deer Canyon Rd.
Arroyo Grande, CA 93420 

zcropdr montage(3)

Our Services

Fungal Pathogen Analysis
Virology Analysis
Bacteriology Analysis
Nematode Extraction and Identification
Insect Identification
Soil Pathogen Analysis
Water Pathogen Analysis
Seed Pathogen Analysis
On Site Evaluation
Research and Special Projects
Expert Witness Testimony
Report Writing and Delivery (fax, phone, e-mail)
Purchase a 1 Hour Phone or Email Consultation

Contact Us

(805) 927-7707
 E-mail the Crop Doctor
Request Services or ask a Question

Learn More

  • How to Take a Sample
  • How to Purchase Services

© Heather B. Vallier, Ph.D 2026
Powered by WordPress • Themify WordPress Themes