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  1. Canada Thistle (Cirsum arvense)

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

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

  2. Cool, Wet Weather is Ideal for Late Spring Microdochium Patch/Pink Snow Mold

    https://turfdisease.osu.edu/news/cool-wet-weather-ideal-late-spring-microdochium-patchpink-snow-mold

    annual bluegrass. Another common name used for this disease in the past is Fusarium patch. In late spring ... appear as a yellowing of the infected turf area then progresses rapidly to a rusty, reddish, brown color ... (Fig 1.). The source of spores is often from old patches (Fig 2.). When the disease occurs in late ...

  3. Columbus grass (Sorghum x almun)

    https://pested.osu.edu/node/420

    diseases and insect pests of sorghum, maize and sugar cane ...

  4. Fungicides for Residential Turfgrass

    https://turfdisease.osu.edu/news/fungicides-residential-turfgrass

    of Plant Pathology Disease Name Fungicides 1 Timing Intervals 2 Brown Patch Heritage 14-28   Compass ...   Disarm 14-28   Trinity 14-28   Tourney 14   Triton 14-28       Summer Patch/ Necrotic Ring Spot (Patch ...       Fairy Ring Heritage 28   ProStar 28   Disarm 28   Insignia 28   Tourney 21       Pythium Blight Subdue ...

  5. Online Webinar- New Pesticide Applicator Training- October 11, 2023

    https://pested.osu.edu/events/online-webinar-new-pesticide-applicator-training-october-11-2023

    Turf Disease Label Reading   Noxious Weed ID     License and Study Materials The New Applicator ... Turf (Category 8). No testing is available at the conclusion of this course. Contact the ODA to ... 8- Turf-  The application of pesticides to lawns, turf, sod, or to soil areas being prepared for the ...

  6. Kudzu (Pueraria montana)

    https://pested.osu.edu/node/404

    golden-brown hairs. Roots: Kudzu has large semi-woody tuberous roots. These roots can reach depths from ...

  7. Commercial Recertification 2024

    https://pested.osu.edu/recert2024

                       8- Turf 4a- Forestry                   10a- General Pest 15*- Ag Fertilizer: A one-hour program ... 2024    - Landscape, Turf and Ornamental March 5, 2024  - Industrial Veg, Natural Areas and Aquatic ... Landscape, Turf and Ornamental Categories Offered: Core 4a- Forestry 5- Industrial Vegetation 6a- Ornamental ...

  8. Dr. Ahmed Yousef

    https://fst.osu.edu/our-people/dr-ahmed-yousef

    disease outbreaks and products recalls.  Area of Expertise:  Food microbiology, focusing on ...

  9. Pink Snow Mold and Red Thread Update

    https://turfdisease.osu.edu/news/pink-snow-mold-and-red-thread-update-0

    J. W. Rimelspach, Turf Pathology Program Specialist Pink Snow Mold Two fungal diseases have been ... patches of grass, often several inches across, will have brown collapsed leafs (see figures 1 and 2). If ... may be slow until there are adequate warm temperatures for turf growth. Red Thread The other disease ...

  10. Pink Snow Mold and Red Thread Update

    https://turfdisease.osu.edu/news/pink-snow-mold-and-red-thread-update

    J. W. Rimelspach, Turf Pathology Program Specialist Pink Snow Mold Two fungal diseases have been ... patches of grass, often several inches across, will have brown collapsed leafs (see figures 1 and 2). If ... may be slow until there are adequate warm temperatures for turf growth. Red Thread The other disease ...

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