Field of Wheat bannerGPDN is excited to kick off the GPDN Webinar Series for 2023! This year the series will be hosted via Zoom. The series will feature speakers from universities and government agencies across the country. Topics include invasive pests, modeling, and updates on some diseases. These topics are relevant to pest management specialists and diagnosticians in plant pathology, entomology, and weed science.

Schedule: Wednesdays, February 15 – April 5, 2023 | 8:00 AM PST, 9:00 AM MST, 10:00 AM CST, 11:00 AM EST.

Registration: Register in advance for these webinars by clicking the links in the “Registration” column below. After registering, you will receive a confirmation email containing information about joining the webinar.

NPDN Member Enrollment: To enroll in these webinars, please follow the directions found here.      
*This enrollment process is only for those with NPDN Portal Sign In Access

Contact: Eva Grimme at 406-994-5157 or for more information.





February 15

Dr. Deric Picton


PPQ 526 Permits: The Who, What, Why and How of Diagnostic Permits

View Recording

February 22

Dr. Lipi Parikh

Montana State University

Plant-derived essential oils (EOs) in organic management of root rot pathogens of pulse crops

View Recording

March 1

Dr. Carrie Harmon

University of Florida

Supporting the Science of Getting it Right: the Diagnostic Assay Validation Network (DAVN) project

View Recording

March 8

Dr. Qing Yan

Montana State University

Apple fire blight and its control in Montana

View Recording

March 15

Dr. Tina Gresham


The Plant Protection and Quarantine Agricultural Risk Management (ARM) System: What You Need to Know

View Recording

March 22

Ms. Cassie Cichorz

Washington State Dept. of Agriculture (WSDA)

Emerging Spotted Lanternfly

Register Here

March 29

Mr. Steven Long

Clemson University

National Plant Board - Know Your SPRO

Register Here

April 5

NPDN Outreach & Extension Committee



Register Here

Zoom Support: Zoom technical support, Joining a meeting

You may access previous year's presentations in the archives below.