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  1. Urban Landscape Pest Management Workshop- Online Webinar- September 25, 2025

    https://pested.osu.edu/events/urban-landscape-pest-management-workshop-online-webinar-september-25-2025

    3a General Aquatic Pest Control 6c Ornamental Weed Control 4a General Forest Pest Control 8 Turf Pest ...

  2. Spotted Knapweed (Centaurea stoebe)

    https://pested.osu.edu/node/464

    flowers about 3/4" across Seeds: brown with tuft of bristles  Root:  The problem is…. a very invasive ...

  3. Community Development Professionals Honored at the 2024 Extension Conference

    https://comdev.osu.edu/news/community-development-professionals-honored-2024-extension-conference

    Awards Multidisciplinary- All Extension Members 1st Place- Brown LEADS: Trevor Corboy 3rd Place- ...

  4. Apple of Peru (Nicandra phyhsalodes)

    https://pested.osu.edu/node/396

    flower, 1–1½" across when fully open. Fruit: A Green-brown berry develop inside lantern-shaped, papery bladder ... that turns brown as it matures.   The problem is…. a prolific seed producer. Large, persistent ...

  5. Home

    https://pested.osu.edu/home

    October 30, 2025- in person- registration coming soon Updates to WDI Reporting 2025 Commercial New ... they have dealt with pest management issues; ask questions!  Learn of updates on latest research Be the ... your profile is a work in progress (not written in stone) and can be updated continually!  For ...

  6. Heart-podded hoary cress (Lepidium draba sub. Draba)

    https://pested.osu.edu/node/422

    Flat-topped clusters of tiny white flowers Fruit: Seed pods are somewhat heart-shaped, brown, and hairless Root: ...

  7. Grapevines, uncultivated & in groups > 100 (Vitus spp.)

    https://pested.osu.edu/node/400

    toothed margins, 4-6" in length. Stem: Green and smooth in young plants, but later becomes brown and ...

  8. New Applicator Training- In Person- May 14, 2025

    https://pested.osu.edu/events/new-applicator-training-person-may-14-2025

    Auditorium Industrial Vegetation (5) Seminar Room A Turf Insects Applications and Calculations Turf Disease ... (Category 5) and Turf (Category 8). Testing is available at the conclusion of the day. A photo ID is ... NOTE: this category is permitted to make 6c applications. 8- Turf-  The application of pesticides to ...

  9. Canada Thistle (Cirsum arvense)

    https://pested.osu.edu/node/397

    Lavender flowers, 3/4- 1" in diameter. Fruit: Numerous small seeds attached to brown feathery ...

  10. Dr. Gireesh Rajashekara awarded the 2024 Distinguished Graduate Student Mentor Award

    https://cfah.osu.edu/news/dr-gireesh-rajashekara-awarded-2024%C2%A0distinguished-graduate-student-mentor-award

    Gireesh’s research team is focused on studying animal health and zoonotic disease problems in food-producing ...

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