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  1. Palmer amaranth (Amaranthys palmeri)

    https://pested.osu.edu/node/408

    peitoles that are longer than the leaves and grow symmetrically around the stem.  Life cycle: Summer annual ...

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

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

    if they are growing in groups of 100 or more and are not maintained (pruned, sprayed, or cultivated) ...

  3. Russian thistle (Salsola Kali var. tenuifolia)

    https://pested.osu.edu/node/411

    grows 1'-3' in height, commonly known as tumbleweed. The rigid, erect plant is spiny and ...

  4. Cressleaf Groundsel (Senecio glabellus)

    https://pested.osu.edu/node/398

    1'-3' in height. Grows upward in clusters. Life Cycle: Winter annual Habitat: Wet woods, swamps, stream ...

  5. Purple loosestrife (Lythrum salicaria)

    https://pested.osu.edu/node/410

    family. Loosestrife plants grow from 4'-10' in height, depending upon conditions, and produce ...

  6. Musk thistle (Carduus nutans)

    https://pested.osu.edu/node/407

    leaves are spiny. Life cycle: Biennial, occasionally winter annual Habitat: Grows in neutral to acidic ...

  7. Canada Thistle (Cirsum arvense)

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

    roots Habitat: Grows in barrens, glades, meadows, fields, pastures, and waste places. It does best in ...

  8. FIRST-TIME Fertilizer Certification Webinar- 3 HOUR

    https://pested.osu.edu/events/first-time-fertilizer-certification-webinar-3-hour

    currently hold a pesticide license, your license information will then be updated to include fertilizer ...

  9. February 7, 2024- New Applicator Training- Webinar

    https://pested.osu.edu/events/february-7-2024-new-applicator-training-webinar

    class schedule. 8:30- Room Opens, check in 9:00 Morning Session Core Review Laws and Regulations ... Turf (8) Industrial Vegetation (5) Turf Insects Applications and Calculations Turf Disease Label ...

  10. Horticulture Resources

    https://hamilton.osu.edu/program-areas/agriculture-and-natural-resources/organizations-resources

    onLine provides timely information about Ohio growing conditions, pest, disease, and cultural problems. ... Diagnostic Clinic is a diagnostic facility specializing in the identification of plant diseases, plant health ... observations of plants in public gardens and private gardens from around the region.  Growing Degree Days ...

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