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​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Advancing the Science of Plant Pathology​​​

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​NEW! From the American Phytopathological Society

Advance Plant Health as the EPA Liaison for APS!

Get a front-row seat to the work of EPA policymakers shaping the future of plant pathology. The APS Public Policy Board (PPB) is seeking a plant pathology subject matter expert to partner with PPB members and serve as a technical resource for EPA scientists. Make new connections and leverage your experience to expand our society’s scientific contributions to policy development and review. Interested? View requirements and submit your application before November 30. ​

Public Policy Board Listening Session

Learn about the impact that the election will have on future legislative actions, APS policy initiatives, and the Public Policy Board's strategy going into a new Congress and administration. Register and join us on December 6 for a free PPB Learning Session hosted by APS PPB and our D.C. advocacy firm, the Brumidi Group. Bring your questions!

Bacteriophage Interactions Webinar

New! Attend the next webinar in our Advances in Phytobacteriology series to learn about the latest groundbreaking research in bacteriology and discover new methodologies shaping the future of our field. We'll discuss interactions between bacteriophages and soft rot Pectobacteriaceae during all aspects of the growing cycle, from genes to the surrounding environment.

Plant Health 2025

Submit Your Workshop or Session for Plant Health 2025!​​

We are now accepting proposals for pre-meeting workshops and special sessions at Plant Health 2025 in Honolulu, Hawaii, August 2–5. This is your opportunity to share your expertise, collaborate, and contribute to the dialogue at the 2025 meeting! Submissions close on November 27.​

​​Submit Now  ​​​​​​​​​

Advance the science of plant pathology an​​​d become an APS member today!​​

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​​Webinars

Free for Members

Advance your understanding in plant pathology and related disciplines with our webinars. Catch up on content whenever you want with our webinar archive.

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NEW! Research Forums

Stay Tuned for Our Next Session​!

Research forums are designed to foster discussion and feedback about new research in all disciplines of plant pathology.

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On-Demand Course

Seed Pathology Fundamentals: Regional to Global Implications

Gain knowledge on topics ranging from disease management to seed trade policies, and everything in between.

Enroll Today​

​​​Plantopia Podcast

Trending Topics and Experts

Listen monthly​ to episodes with the industry's best & brightest.​

Our Latest Episode:

Retrieving Data

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Emerging Research

​​Biorational Fungicides to Manage Cucurbit Powdery Mildew on Winter Squash in New York

Cucurbit powdery mildew (CPM) is a common disease in winter squash, and while conventional fungicides are widely used, there is a growing interest in organic alternatives due to environmental and resistance concerns. This study evaluated several biorational fungicides, with copper-based products like Kocide 3000-O proving the most effective, followed by Theia and Regalia plus Stargus. These treatments reduced disease severity, which may be used to inform CPM management practices and the development of future tools for IPM strategies.

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