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  1. Necrotic Leaf Blotch of Golden Delicious Apples

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

    Pathology Necrotic leaf blotch is a common but minor disease that appears to be restricted to the Golden ... Delicious cultivar of apples and its sports. The disease is a physiological disorder and has been observed ... disorder varies from orchard to orchard and, more importantly, from year to year. The disease is fairly ...

  2. Red Stele Root Rot of Strawberry

    https://ohioline.osu.edu/factsheet/plpath-fru-34

    disease has become a serious problem facing strawberry production in the northern two-thirds of the United ... States. The disease is most destructive in heavy clay soils that are saturated with water during cool ... stele root rot. Susceptible variety on right, and resistant variety on left. Normally, the disease is ...

  3. 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 ...

  4. Introduction to Turfgrass Management

    https://hcs.osu.edu/courses/hcs-3470

    fundamental principles essential to the production of quality turf. Undergraduate 3.0 HCS 3470 ...

  5. X-Disease (Mycoplasma disease of peaches and nectarines)

    https://ohioline.osu.edu/factsheet/plpath-fru-13

    Pathology X-disease has been diagnosed in several peach orchards in northern Ohio. Once the disease is ... established in an area or orchard, it can be very destructive. The disease has been reported to occur ... X-disease corresponds to the range of distribution of the wild chokecherry, which is a major reservoir of ...

  6. Sooty Blotch and Fly Speck of Apple

    https://ohioline.osu.edu/factsheet/plpath-fru-41

    Pathology Sooty blotch and fly speck are two different diseases. Both diseases are widespread throughout the ... of near-mature fruit. The discoloration is superficial, and while neither disease actually damages ... the fruit, the presence of disease reduces the grade and market value of the fruit. Although all apple ...

  7. Hops Downy Mildew

    https://ohioline.osu.edu/factsheet/plpath-fru-49

    destructive disease of hops (Humulus lupulus) in the Midwest and Northeastern United States. Downy mildew is ... mild temperatures. The disease is systemic and can cause significant yield and quality losses annually. ... Farm. Disease Development and Symptoms The downy mildew pathogen survives the winter in dormant buds, ...

  8. Fusarium Head Blight or Head Scab of Wheat, Barley and other Small Grain Crops

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

    one of the most important diseases of wheat, oats, barley, spelt and other small grain crops. However, ... scab is not only a disease of small grains, it also affects many other grass species including foxtail, ... quackgrass, crabgrass and bluegrass. In addition, scab is not the only disease caused by F. graminearum. If ...

  9. Scab of Peach, Nectarine, Plum, and Apricot

    https://ohioline.osu.edu/factsheet/plpath-fru-39

    The disease affects fruit, leaves and young green twigs. Scab is most common in home orchards where ... by the scab fungus. The disease is usually more serious in low-lying, moist, shady areas where air ... scab. Small (¼ inch), round, and yellowish-green to yellowish-brown spots develop on the underside of ...

  10. Sports Turf Management

    https://hcs.osu.edu/courses/hcs-3370

    safety and playing quality, field maintenance and renovation techniques, sports turf IPM practices and ...

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