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  1. April 10, 2024- New Applicator Training- Webinar

    https://pested.osu.edu/events/april-10-2024-new-applicator-training-webinar

    Serviceperson Review Laws and Regulations Applicator Safety and Environment Calculations and Formulations Label ... Applications and Calculations Turf Disease Label Reading   Noxious Weed ID     License and Study Materials The ...

  2. Mile-a-minute weed (Polygonum perfoliatum)

    https://pested.osu.edu/node/406

    trailing vine growing up to 24' in length, in the buckwheat family. Reddish stem are armed with ... contain black or reddish-black seed. Root: Shallow, fibrous root system. The problem is...grows rapidly, ...

  3. Giant Hogweed (Heracleum mantegazzianum)

    https://pested.osu.edu/node/399

    growing 15'-20' in height in large clusters. Sap may cause servere skin irritation. Life cycle: ... can grow up to 2.2' in diameter. Fruit: Large elliptic dry fruit, seeds orange and 0.5" in ...

  4. Poison hemlock (Conium maculatum)

    https://pested.osu.edu/node/409

    Poison hemlock (Conium maculatum) Description: A herb in the carrot family that grows ... carrot and parsley, and have a parsnip-like odor when crushed. Life cycle: Biennial Habitat: Grows in dry ...

  5. Hairy white top or ballcress (Lepidium appelianum)

    https://pested.osu.edu/node/421

    mustard plant in the brassicaceae family that grows up to two feet tall. Plants appear grey-green, soft, ...

  6. Forage Kochia (Bassia prostrata)

    https://pested.osu.edu/node/424

    Leaves: Linear to thread like, look similar to needles Stem: Clustered stems. Upper stem turns red in late ...

  7. Field bindweed (Convolvulus arvensis)

    https://pested.osu.edu/node/414

    or trailing viny stems and white-pink flowers that can grow up to 6.5' in length. Life Cycle: ...

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

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

    Heart-podded hoary cress (Lepidium draba sub. Draba) Description: Plants grow up to around ...

  9. Wild parsnip (Pastinaca sativa)

    https://pested.osu.edu/node/413

    growing 2'-5' in height. Produces a rosette of large, upright leaves in the first year and ...

  10. Johnsongrass (Sorgum halepense)

    https://pested.osu.edu/node/402

    (Poaceae) that grows in dense clumps or nearly solid stands. Johnsongrass form thickm aggressive rhyzomes ...

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