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  1. Parasitic Higher Plants

    https://ohioline.osu.edu/factsheet/plpath-gen-9

    mistletoe on an oak tree.  Photo courtesy F. H. Tainter,  © T he American Phytopathological Society ... tree limbs. Hemiparasites Hemiparasites, sometimes called water parasites, do injure their host plants, ... group, attacks many broad-leaved trees such as ash, silver maple, honeylocust, hackberry, cottonwood, ...

  2. Dutch Elm Disease

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

    PLPATH-TREE-04 Agriculture and Natural Resources 04/15/2016 Chris Wallis, Dennis J. Lewandowski, ... disease because the first extensive research was done by pioneering Dutch women. American elm trees once ... dominated our urban landscapes as beautiful shade trees. Now, due to DED, they are no longer prominent. In ...

  3. Black Rot and Frogeye Leaf Spot of Apple

    https://ohioline.osu.edu/factsheet/plpath-fru-07

    from a rotting of fruit before harvest and in storage, a weakening of the tree from defoliation, and ... remain on the tree a year or longer. Black, pimple-like fruiting bodies (pycnidia) of the causal fungus ... decompose faster. Removal of mummified apples and pruning out dead wood in the tree are important for ...

  4. Orange Rust of Brambles

    https://ohioline.osu.edu/factsheet/plpath-fru-30

    on thornless blackberry. Image courtesy of Erik Draper, OSU Extension, Geauga County. Figure 2B. Waxy ... name. Rusted leaves wither and drop in late spring or early summer. Later in the season, the tips or ... Guide (Bulletin 506) for current fungicide recommendations. Both guides can be obtained from your county ...

  5. Inclusive Excellence in Hiring

    https://cfaesdei.osu.edu/webinars-and-other-events/inclusive-excellence-hiring

    interpretation to participate in this event, please contact Laura Akgerman at  akgerman.4@osu.edu  or ... 614-292-0622. Requests made 10 days- prior to the event will generally allow us to provide seamless access, but ...

  6. Community Development Awards

    https://comdev.osu.edu/about-cd/community-development-awards

    of professional development and service to the profession. This award has been named in honor of  ...

  7. Gardening with Physical Limitations Part 5: Garden Clean-Up and Preparing for Next Year

    https://cfaesdei.osu.edu/events/gardening-physical-limitations-part-5-garden-clean-and-preparing-next-year

    YouTube page. Currently, parts one and two are available. To learn more:  https://cfaesdei.osu.edu/webinars-and-other-events ...

  8. Phytophthora Root and Crown Rot of Fruit Trees

    https://ohioline.osu.edu/factsheet/plpath-fru-06

    of fruit trees throughout the world. In Ohio, apple, cherry, and peach trees are usually attacked. ... Pear and plum trees appear to be relatively resistant. Trees declining and dying from Phytophthora root ... root rot. Symptoms Diseased trees are commonly found in poorly drained areas of the orchard or yard. ...

  9. Faculty Research Areas

    https://plantpath.osu.edu/research-areas

    research, and their location (Columbus or Wooster).  Click on faculty name to view their individual ... Ecology of Trees.  Ecological role of tree diseases; chemical ecology of tree/fungal pathogen/insect ... interactions; systemic disease and insect resistance induced in trees by fungal pathogens; soil type and soil ...

  10. 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 ... cone-producing trees that have a conical or pyramidal shape. Collectively, they are called conifers because of ... used as Christmas trees. To the casual observer, these trees look similar, but they belong to different ...

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