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  1. White Rot and Botryosphaeria Canker of Apple

    https://ohioline.osu.edu/factsheet/plpath-fru-42

    canker phase of the disease is most severe in trees weakened by drought, winter injury, sunscald, poor ... pruning, low or unbalanced nutrition, and other plant diseases. The fruit rot phase can be sporadic in ... to be affected than other varieties. Symptoms Fruit At first, small, reddish-brown spots appear ...

  2. Pruning Blueberry Bushes in the Home Garden

    https://ohioline.osu.edu/factsheet/hyg-1430

    Horticulture and Crop Science, The Ohio State University Maurus Brown, Ph.D., Associate Professor Emeritus, OSU ... disease control, and proper pruning help to assure quality fruit at harvest. This fact sheet is intended ... best flower buds and save them. Remove all diseased and broken canes. Remove dead twigs. Remove canes ...

  3. Frogeye Leaf Spot of Soybean

    https://ohioline.osu.edu/factsheet/AC-53

    dark gray, usually with a narrow, dark brown border. Disease Cycle Frogeye leaf spot is caused by the ... regions with warm, humid environments. Yield reductions from this disease have occurred in Ohio and this ... disease can also reduce seed quality in food grade varieties and seed production fields. Symptoms Lesions ...

  4. 20 Questions on Plant Diagnosis

    https://ohioline.osu.edu/factsheet/plpath-gen-3

    study of plant disease including the reasons why plants get sick and how to control or manage healthy ... colors ranging from spun gold to reddish brown, followed by leaf drop. Many a bald cypress has felt the ... bite of the saw from new homeowners who notice a completely brown-leaved tree in their new landscape in ...

  5. Growing Giant Pumpkins in the Home Garden

    https://ohioline.osu.edu/factsheet/hyg-1646

    ball in a coach that her fairy godmother crafted from a pumpkin in the patch. A fairy tale, yes, but ... prevent the spread of leaf diseases. Trickle irrigation is best, but soaker hoses also work well. Overhead ... sprinklers are effective; however, wet foliage increases the chance of disease, especially angular leaf spot, ...

  6. Giant Caterpillars

    https://ohioline.osu.edu/factsheet/HYG-2015-11

    orange with scattered yellow patches.   Cecropia Moth Larva This caterpillar is the larvae of the ... dark red-brown sprinkled with gray and pink. The body is large and covered with long, rust-red hair. ... brown with gray dusting on the forewing edges and vertical pink lines near the body. Each hindwing has ...

  7. Invasive Species Management: Common and Japanese Barberry

    https://ohioline.osu.edu/factsheet/anr-0106

    acting as an alternative host for the disease, black stem rust, caused by the fungus Puccina graminis. As ... public health threat to humans, companion animals, and livestock. Multiple diseases of consequence such ... as Lyme disease, Rocky Mountain spotted fever, and anaplasmosis can be vectored or transmitted by ...

  8. Ohio’s Natural Enemies: Lacewings

    https://ohioline.osu.edu/factsheet/ent-72

    of lacewings commonly found in Ohio: green lacewings (Family Chrysopidae) and brown lacewings (Family ... Brown lacewings are often brown to gray in color with hairy bodies, and are often confused with moths. ... Brown lacewings, however, may provide valuable pest management services as larvae and adults.  Photo ...

  9. Sudangrass as a Cover Crop in Ohio

    https://ohioline.osu.edu/factsheet/anr-0119

    Johnson grass with no underground rhizomes Brown midrib available on some hybrids Cultural Traits Summer ... potassium (K) Good Compaction fighter Excellent Nematodes Very good Disease Very good Allelopathic (produces ...

  10. Oak Wilt

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

    of Plant Pathology, The Ohio State University Oak wilt is a serious and often deadly vascular disease ... (bur, chinquapin, post, swamp white, and white oak) (Figure 1B) are more tolerant of the disease and may ... “flags,” that is, whole branches or crown portions turning red-brown. Leaves of red oaks typically show ...

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