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  1. Lawn Grass Cultivar Selection

    https://ohioline.osu.edu/factsheet/hyg-4027

    patch diseases Failure to select the proper species or cultivar may result in poor or thin grass ... disease and insect resistance, and adaptations that allow the turf to thrive in differing environmental ... selection. Turfgrass cultivars with resistance to diseases should also be included in the blend. For ...

  2. Lime and the Home Lawn

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

    a favorable environment for the development of summer patch disease, caused by a fungus that infects turfgrass ... ranges. Turf outside of these ranges can lose quality.  Several factors cause the formation of acidic soil ... be applied to turf that is wilted or frost-covered. The turf should be irrigated after application in ...

  3. Powdery Mildew of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-37

    limited, and they appear as dark-brown to black patches that remain as dark patches on the surface of ... important disease of grapes worldwide. The disease generally is considered less economically important in ... Ohio than black rot or downy mildew. However, uncontrolled, the disease can be devastating on ...

  4. Bitter Rot of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-08

    spots Small, circular, whitish spot, which is soon surrounded by a brown ring Fungal fruiting bodies on ... Pathology Bitter rot has been recognized as a disease of grapes since 1887. The name was derived from the ... infected with bitter rot, the wine may be undrinkable. The disease is more common in the southern grape ...

  5. Black Rot and Frogeye Leaf Spot of Apple

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

    develop a series of brown and black concentric bands or rings. The rotted fruit finally turns black. The ... dark-brown concentric rings and a purple margin giving it a “frogeye” appearance. Black pycnidia, like those ... leaf spot are phases of a widespread and damaging disease of apple and crabapple. The fruit rot phase ...

  6. SENR Announcements, August 25

    https://senr.osu.edu/email/senr-announcements-august-25

    will discuss maple sugaring in changing times; and Marne Titchenell will provide an update on bats.  ...

  7. Soybean Rust

    https://ohioline.osu.edu/factsheet/plpath-soy-2

    Soybean rust (SBR), caused by the fungus Phakopsora pachyrhizi, is one of the most important diseases of ... favorable conditions and can cause severe defoliation. In regions where the disease has been reported, yield ... urediniospores and teliospores. Urediniospores are pale yellow-brown to salmon colored and have some ...

  8. Full list of 2022 Publications

    https://senr.osu.edu/research/publications/full-list-2022-publications

    wasting disease management,  Human Dimensions of Wildlife, DOI:  ... role of state animal import requirements in controlling invasive ticks and tick-borne disease ...

  9. 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 ...

  10. Grape Black Rot

    https://ohioline.osu.edu/factsheet/plpath-fru-24

    one of the most damaging diseases of grapes in Ohio and other northeastern states. The disease is ... rachises and cluster stems (peduncles) of grapes. If the disease is not managed early in the season, the ... on a grape leaf. Inset shows the dark pycnidia that can be seen in the center of each spot. Disease ...

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