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  1. Dutch Elm Disease

    https://ohioline.osu.edu/factsheet/plpath-tree-04

    disease because the first extensive research was done by pioneering Dutch women. American elm trees once ... “survivors.” Some communities have made extensive attempts to save their elm trees, such as Washington, D.C., ... Elm bark beetle larval gallery. Other diseases may present somewhat similar symptoms. As the name ...

  2. Ambrosia Coloration in Maple Trees

    https://ohioline.osu.edu/factsheet/anr-0108

    Agriculture and Natural Resources; Ohio State University Extension Maple trees are naturally found across ... aesthetics. Maple trees, however, can be attacked by beetles, tapped for maple syrup, or otherwise injured. ... insects attacking maple are ambrosia beetles. Ambrosia does not refer to any given species of maple, ...

  3. Japanese Beetle

    https://ohioline.osu.edu/factsheet/ENT-46

    beetle, Popillia japonica, is generally found east of a line running from Michigan, southern Wisconsin and ... usually in high-quality urban turf. Beetle skeletonizing a leaf Hosts The adult beetles are general ... and bentgrass. Damage Symptoms The adult beetles are skeletonizers, meaning they eat the leaf tissue ...

  4. Hobby Maple Syrup Production

    https://ohioline.osu.edu/factsheet/f-36

    Extension, Geauga County Kathy Smith, Program Director, Forestry; Food, Agricultural, and Environmental ... Sciences; Ohio State University Extension Late winter and early spring is maple season; that time of year ... purchased from a maple equipment supplier. Check with your county Ohio State University Extension office, ...

  5. Triticale as a Cover Crop in Ohio

    https://ohioline.osu.edu/factsheet/anr-0120

    and Environmental Sciences; Ohio State University Extension, Paulding County Rachel Cochran; Extension ... Associate, Water Quality; Food, Agriculture, and Environmental Sciences; Ohio State University Extension ...

  6. Using the Tree Measuring Stick

    https://ohioline.osu.edu/factsheet/F-62

    Forestry; College of Food, Agricultural, and Environmental Sciences; Ohio State University Extension The ... Director, Forestry; Food, Agricultural, and Environmental Sciences; Ohio State University Extension ... Sciences; Ohio State University Extension. Energy and Environment forestry measuring tree diameter tree ...

  7. Measuring Standing Trees

    https://ohioline.osu.edu/factsheet/F-35-02

    Environmental Sciences; Ohio State University Extension Woodland owners often need to measure the merchantable ... Heiligmann, Extension Specialist, Forestry; College of Food, Agricultural, and Environmental Sciences; Ohio ... State University Extension; and Steve Bratkovich, District Specialist, Forestry; College of Food, ...

  8. Corn Rootworm Management

    https://ohioline.osu.edu/factsheet/ENT-16

    northern corn rootworm (NCR) (fig. 2) are leaf beetles that feed predominantly on corn. Adult WCR are gold ... hatch often coincides with sightings of the adult firefly beetle. The eggs hatch into larvae, which feed ... beetles, which emerge from the soil and start feeding on corn foliage, pollen, and silks around mid-July. ...

  9. Thousand Cankers Disease

    https://ohioline.osu.edu/factsheet/plpath-tree-07-0

    observed walnut mortality. The fungus is carried by an insect, the walnut twig beetle (WTB;  Pityophthorus ... (infection events) over time by G. morbida-contaminated beetles for tree dieback and overall decline to ... indication of tree damage except for tiny beetle entrance holes, but sometimes areas of outer bark ...

  10. Crop Tree Management: A Tool to Help You Achieve Your Woodland Goals

    https://ohioline.osu.edu/factsheet/f-50

    techniques to free your crop trees from competition, refer to OSU Extension fact sheet F-45, Controlling ... Agricultural, and Environmental Sciences; Ohio State University Extension Ohio woodland owners have many ... extensive and sophisticated this inventory needs to be depends on the size and character of the woodland and ...

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