Plant Diagnostic Lab

ALFA Agricultural Services
& Research Building
961 South Donahue Drive
Auburn, AL 36849-5624


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- Full Calendar -

soil testing
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visit the Soil Testing Lab's
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Plant Diagnostic Lab - Auburn

The Plant Diagnostic Lab provides three major services:

  1. Plant samples are examined for disease, insect, nutrient, cultural, and herbicide problems.
  2. Soil samples are analyzed for plant parasitic nematodes.
  3. Insect samples are identified.

In addition to the above, plant and fungal identifications are also made. After samples are examined, tested, analyzed, and/or identified, Extension Specialists respond with the diagnosis or identification and control recommendation(s). Samples received at the Plant Diagnostic Lab may be examined by plant pathologists, nematologists, entomologists, agronomists, horticulturists, or weed scientists, depending upon the sample. Responses are sent by phone, e-mail, fax, or letter. Generally, our responses are made within one week from the time of sample receipt. Some tests and /analyses require more time. Before sending samples to the lab, consult our publications for more information on the lab and for directions on collecting, packaging and mailing plant, soil, and insect samples (ANR-0450 and ANR-0114) Also, examine and download our plant (ANR-0089), soil nematode (ANR-00F7), and/or insect forms as appropriate. Fill out the form for your sample with as much information as possible. When inadequate samples are sent with inadequate information, diagnoses and analyses and recommendations cannot be made.

Sample service charges

(*Charges are not made on plant, and fungal identifications.)

  • For Plant Problem and Disease Diagnosis: $10 - $30, depending upon tests\/analyses required.
    • Homeowner sample charges are usually $10 - $15
    • Commercial sample charges are usually $20 - $25
    • Molecular analysis (with client consultation) $30

  • For Insect Identification: $5 - $20, depending upon work done
    • Routine identification $5
    • Microscopic study $10
    • Commercial/industrial samples $20

  • For Soil Nematode Analysis: $10

Contact

If you have questions, you may contact us:


*Please note that soil mineral analysis is performed at the Soil Testing Lab which is separate from the Plant Diagnostic Lab. The Soil Testing Lab can be reached at (334) 844-3958.

Southern Plant Diagnostic Network
National Plant Diagnostic Network
United States Department of Agriculture
Animal and Plant Health Inspection Service