• Tips for Collecting Weed Seeds

    How to submit samples for herbicide resistance screening.

  • Suspecting oak wilt?

    If you suspect oak wilt, here are some pointers on how to collect and submit a good representative sample of your tree.

  • Wondering how to pack a plant sample?

    If you are mailing us plants for diagnosis, follow these simple instructions to preserve the integrity of the sample during shipping.

  • New Submittal Forms

    Updated submittal forms are now available on our website. Click the image to visit the forms page.

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