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

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​NEW! From the American Phytopathological Society

APS Actions and Member Support

Learn how APS is supporting our community amid federal policy and personnel changes​. Discover ways you can attain assistance or take action, including how to share your story to help us determine where APS should focus our efforts as an advocate on your behalf.

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APS Listening Session

Attend a member-only discussion on May 9 to share your experiences and learn about current challenges facing the plant pathology community. Moderated by an APS strategy consultant, chair of the APS Public Policy Board, and APS’s Washington, DC, agency partner, this session aims to offer clarity and support to members while helping APS understand where the society can focus future efforts.

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Plant Health 2025

​Advance Registration IS Now Open!

Join us at Plant Health 2025, August 2–5 in Honolulu, Hawaii! This year’s theme, Global Communities Collaborating to Address Global Risk, highlights the critical role plant health plays in combating cross-border pathogens, environmental instability, and biosecurity threats.​ Register early to secure your best meeting rate!​​​​​​

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

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​​Upcoming Webinar

Pectobacterium brasiliense: Engaging in Warfare Against a Multitude of Foes with a Diverse Arsenal of Weapons​

April 7, 2025

Next installment of the Advances in Phytobacteriology Series.

Register Now

NEW Course!

High Throughput Sequencing: Fundamentals for Plant Disease Diagnostics

May 13–June 3, 2025

Get the skills to apply this powerful tool in plant disease diagnosis.

Enroll Today!​

On-Demand Course

Seed Pathology Fundamentals

Get a comprehensive, high-level perspective on seeds and seed pathology, including phytosanitary concerns, international trade policies, and more.

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​​​Plantopia Podcast

Trending Topics and Experts

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

Our Latest Episode:

Retrieving Data

​​Upcoming Events

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Emerging Research

​​First Reported Sexual Recombination Between Pyrenophora teres Isolates from Barley and Barley Grass

Barley grass (Hordeum leporinum), which often occurs in proximity to commercial barley (H. vulgare) cultivars, is an alternative host to Pyrenophora teres, an economically important pathogen causing net blotch in barley. This study is the first to report the sexual recombination of P. teres isolates collected from barley with those collected from barley grass.

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