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  1. Is It Pine, Spruce, or Fir?

    https://ohioline.osu.edu/factsheet/anr-80

    Agriculture and Natural Resources, Van Wert County Pine (Pinus spp.), spruce (Picea spp.), and fir (Abies ... Identification—Where to Begin To distinguish pine, spruce, and fir from one another, start by looking at their needles. ... genera (pines, spruces, and firs). Pines (Pinus spp.) Pines have slender needles (leaves) arranged in ...

  2. Lime and the Home Lawn

    https://ohioline.osu.edu/factsheet/hyg-4026

    acidic water. The surrounding landscape may also have an impact. For example, pine tree needles have the ... https://ohioline.osu.edu/factsheet/AGF-505-07.  Schlossberg Maxim J., F. Clint Waltz Jr., Peter J. Landschoot, and Bradley S. Park. 2008. “Recent ...

  3. U-Pick Apple Orchard Safety

    https://agsafety.osu.edu/newsletter/ag-safety-stat/safety-through-seasons-2021/u-pick-apple-orchard-safety

    https://ohioline.osu.edu/factsheet/aex-591710   Orchard Safety Stats,   University of Washington, Pacific Northwest Agricultural Safety & ...

  4. Northern House Mosquito

    https://ohioline.osu.edu/factsheet/ent-89

    Ohioline. The Ohio State University. https://ohioline.osu.edu/factsheet/ent-88. Ohio Department of Health. ...

  5. White Pine Blister Rust on Currants and Gooseberries

    https://ohioline.osu.edu/factsheet/HYG-3205

    Plant Pathology White pine blister rust is not a serious disease of currants and gooseberries; however, ... it is a very serious disease of white pines (Pinus strobus). Currants and gooseberries serve as an ... alternate host for the rust fungus that causes white pine blister rust. Therefore, planting currants and ...

  6. Japanese Beetle

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

    of HYG-2504-91, "Japanese Beetle," by David J. Shetlar. Home, Yard and Garden Horticulture ... ENT-46 01/21/2015 David J. Shetlar and Jennifer E. Andon, Department of Entomology The Japanese ... beetle, Popillia japonica, is generally found east of a line running from Michigan, southern Wisconsin and ...

  7. Diplodia Tip Blight of Two-Needled Pines

    https://ohioline.osu.edu/factsheet/plpath-tree-03

    diseases in the urban environment. It affects many common landscape pines in the Midwest, including ... pines. It also affects ponderosa (P. ponderosa) and Monterey (P. radiata) pines. The fungus commonly ... blight symptoms on Austrian pine. Symptoms and Signs This disease is characterized by the blight, or ...

  8. Ground Beetles

    https://ohioline.osu.edu/factsheet/HYG-2102-10

    HYG-2102 10/19/2011 David J. Shetlar, Department of Entomology Ground beetles are occasionally ... logs, leaves, bark, decomposing wood, and other debris on the ground. When disturbed, beetles run ... a nuisance indoors by their presence. Homeowners may confuse these beetles for cockroaches, carpet beetles ...

  9. Oak Wilt

    https://ohioline.osu.edu/factsheet/plpath-tree-02

    However, there is some evidence that oak bark beetles (Coleoptera: Scolytidae) may also be involved. ... oaks) of spore-bearing fungal mats under the desiccating bark (Figure 4). These fungal mats crack the ... bark open with pressure pads to facilitate dissemination of the pathogen (see below). Sapwood streaking ...

  10. Spider Mites and Their Control

    https://ohioline.osu.edu/factsheet/HYG-2012-11

    "cool season" mite. This pest can be found on all types of conifers from spruces and pines to ... HYG-2012 09/20/2011 David J. Shetlar, Department of Entomology Spider mites are not insects but ... be found in Ohio landscapes. The twospotted spider mite, Tetranychus urticae, and spruce spider mite, ...

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