We are pleased to announce registration is now open for the 2024 PPCDL-Advanced Diagnostic Workshops hosted by the Scientists of the Plant Pathogen Confirmatory Diagnostics Laboratory (PPCDL) in Laurel, Maryland. The workshop planning team has developed a schedule that offers a wide variety of topics and delivery methods…seven topics in all…and both in-person and virtual workshops. Four of the seven topics are NEW in 2024.

List of workshops for 2024 (with descriptions)

Workshop Calendar

The 2024 workshops will begin March 4, 2024 and run through April 4, 2024.

In-person workshops are shown on the calendar with solid lines and virtual workshops are shown with dashed lines. Workshop descriptions are posted here.



If you are interested in participating in any of these workshops, please contact Barb Riker at br347@cornell.edu cc' Karen Snover-Clift at kls13@cornell.edu.

Registration deadline: December 20, 2023.

The Bioinformatics Module on High Through-Put Sequencing (HTS) will have two parts this year, combining a 1-day, virtual session with the 3-day, in-person session. This workshop is capped at 6 participants to promote more interaction between the instructors and participants. Please note, participants MUST commit to attending both parts of this workshop to register. Three workshops have two date options to allow more to attend. Each session will provide the same information so please choose the one that works best for you. The workshops are listed with “Option 1” or “Option 2” in the description. Please include your choice of dates in your registration request for the in-person ELISA Proficiency Preparation Workshop, the virtual Sample Submission for Confirmatory Testing Workshop and the virtual Production & Validation of Diagnostic Assay Controls Workshop will be offered in two sessions.

Travel and reimbursement information

Accommodation and transportation information is forthcoming.


Travel reimbursements will be processed using the same method introduced in 2023. Travel reimbursements must go to the institution and NOT to the participant. As always, there is no registration fee for attending any workshop(s) or for the meeting materials provided. The workshops are supported by a PPA 7721 Cooperative Agreement. Travelers will submit a letter, on their institution letterhead, simply listing their reimbursable travel expenses. A template is available on the workshop portal page. The reimbursement check will be made out and mailed to the institution. And to demonstrate the collaboration between the NPDN and USDA-APHIS-PPQ-S&T-PPCDL, each traveler will be provided a scholarship up to $1,500 for one workshop or $2,000 for two or more workshops. Any additional costs must be covered by internal funds.

PPCDL Workshop Guidelines - From Registration to Travel Reimbursement

Workshop Attendance Policy

Participants must be present for the entire workshop. If you cannot attend every day and all sessions, please plan to take the workshop at another time.

You need to give yourself at least 3 hours of time from workshop completion to your outgoing flight. Participants must complete any assigned homework, tests and hands-on activities during the time period indicated, to receive a certificate of course completion.