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  1. Blueberry Leaf Rust

    https://ohioline.osu.edu/factsheet/plpath-fru-43

    Tsuga  (hemlock, spruce), and Rhododendron (azalea, rhododendrum). The disease has been reported in Asia, ...

  2. Ohio’s Natural Enemies: Crab Spiders

    https://ohioline.osu.edu/factsheet/ent-70

    and blend in well with mulch, soil and leaf litter. The bark crab spider, Bassaniana versicolor, has ... a mottled brown, grey and/or black coloration that camouflages well with tree bark, soil, mulch and leaf ... spider northern crab spider bark crab spider goldenrod crab spider ohio spiders ohio crab spiders ohio ...

  3. Peach Canker

    https://ohioline.osu.edu/factsheet/plpath-fru-25

    bark. The diseased inner bark begins to break down, causing the cankered surface to appear depressed. ... Black specks, which are fungal spore producing bodies, appear on the bark surface or under the bark ... strands. During the summer, healthy bark (callus tissue) grows over the edges of the narrow, oval shaped ...

  4. Projects

    https://mphm.osu.edu/projects

    Jessica Burns (with Mary Rose, OSU Pesticide Safety and Education Program) A Survey of Spotted Cucumber Beetle ... Preventive Control of Bluegrass Billbug, Sphenophorus parvulus, in Lawn Turf, 2015. DJ Shetlar, S Erick,  J ... pertaining to pollinators and  lady beetles Developing Extension materials and online course modules for ...

  5. Ohio’s Natural Enemies: Long-Legged Flies

    https://ohioline.osu.edu/factsheet/ent-69

    beetle larvae, and even termites! They will carry their prey around with them in flight as they secrete ... females typically lay their eggs in moist soils, or in some cases under the bark of trees. The larvae are ... predators, feeding on soil- or bark-dwelling invertebrates, and the pupae are also found in the soil (Figure ...

  6. Understanding Pesticides in Organic and Conventional Crop Production Systems

    https://ohioline.osu.edu/factsheet/anr-69

        Colorado potato beetle on the left is an example of a pest, while the swallowtail butterfly on the right is ... parasitoids, or pathogens (Barbercheck). Predators such as ladybird beetles catch and eat insect prey. ... Biocontrol example is shown by these aphids parasitized by wasps. Photo by Dr. David Shetlar, The Ohio State ...

  7. Black Rot and Frogeye Leaf Spot of Apple

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

    develop in the bark. These areas slowly enlarge and darken to form cankers. Cankers may continue to expand ... bark; or the bark may be killed and conspicuously cracked, especially at the margins. In recently killed ... areas, the bark is firmly attached to the wood; but after a year or so, it cracks and falls away and can ...

  8. Lichens

    https://ohioline.osu.edu/factsheet/plpath-gen-12

    growing on the bark of a tree.  (Photo by David J. Goerig.) Where do lichens grow? Lichens are located on ... Bark, wood, mosses, rock, soil and peat are all natural substrates. Thalli will also establish itself on ... normally found on tree bark, for instance, are rarely found on rock and vice versa. Lichens established on ...

  9. Improving Biomass Properties via Densification and Upgrading

    https://ohioline.osu.edu/factsheet/fabe-6605

    (40.3) Willow [2]* 170 (10.6) 3,100 (83.2) Stacked wood – Norway spruce [5]* 310 (19.4) 6,350 (170) ... this factsheet. References Bergman, Patrick C.A. Combined torrefaction and pelletization. Petten: The ... scirp.org/journal/paperinformation.aspx?paperid=18380. Lehtikangas, Paivi. 2001. “Quality properties of pelletized sawdust, logging residues and bark ...

  10. Growing Rhubarb in the Home Garden

    https://ohioline.osu.edu/factsheet/hyg-1631

    usually not a problem on rhubarb in the home garden. However, the rhubarb curculio, a rusty snout beetle ...

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