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  1. Brown Rot of Stone Fruits

    https://ohioline.osu.edu/factsheet/plpath-fru-29

    Pathology Brown rot is a common and destructive disease of peach and other stone fruits (plum, nectarine, ... twigs), and small branches. The disease is most important on fruits just before ripening, during and after ... harvest. Under favorable conditions for disease development, the entire crop can be completely rotted on ...

  2. Leaf Blotch Diseases of Wheat—Septoria tritici Blotch, Stagonospora nodorum Blotch and Tan Spot

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

    yellow leaf spot) are the three most frequently occurring leaf blotch diseases of wheat in Ohio. These ... diseases all have the potential to cause significant grain yield and quality losses if the environmental ... Fungi Causing Leaf Blotch Diseases Stagonospora blotch is caused by Parastagonospora nodorum ...

  3. Northern Corn Leaf Blight

    https://ohioline.osu.edu/factsheet/plpath-cer-10

    frequently occurring foliar diseases of corn in Ohio and the Midwest in general. Since the early 2000s, both ... the prevalence and severity of this disease have increased, but in most years plants only becomes ... severely diseased well after silking. During wet weather yield losses may be as high as 30-50% if the ...

  4. Powdery Mildew of Wheat

    https://ohioline.osu.edu/factsheet/plpath-cer-11

    tritici, is the most common foliar disease of wheat in Ohio. It is most damaging in years with relatively ... late April or early May when wheat is in the joint to flag-leaf stage of development. This disease ... the flag leaf becomes severely diseased by heading. Losses of up to 45 percent have been documented in ...

  5. Botrytis Bunch Rot or Gray Mold of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-03

    and causes diseases on a variety of unrelated crops. Bunch rot can cause serious losses on highly ... Infection of ripe berries is the most common and destructive phase of this disease. Infected berries first ... and Disease Cycle Botrytis bunch rot is caused by the fungus Botrytis cinerea. The fungus overwinters ...

  6. Verticillium Wilt of Strawberry

    https://ohioline.osu.edu/factsheet/plpath-fru-32

    disease development may occur when soil temperature is from 70 to 75 degrees F (21 to 24 degrees C). Many ... differentiate from those caused by other root infecting fungi. Isolation from diseased tissue and culturing the ... fungus in the laboratory are necessary for positive disease identification. On infected strawberry ...

  7. Black Knot of Plums and Cherries

    https://ohioline.osu.edu/factsheet/plpath-fru-31

    Pathology Black knot of plums and cherries is a widespread and serious disease throughout the United States. ... Black knot is a common disease in Ohio on wild plums and cherries and in home orchards where pruning and ... twigs. The disease becomes progressively worse during each growing season and unless effective control ...

  8. Nematode Diseases of Plants

    https://ohioline.osu.edu/factsheet/plpath-gen-8

    disease including the reasons why plants get sick and how to control or manage healthy plants. A number of ... and Pine Wilt Disease (Bursaphelenchus xylophilus). Morphology     Figure 1. Adult root-knot ... plants and vice versa. Heartworm in dogs and cats is an example of nematode diseases in animals and ...

  9. Harry A. J. Hoitink

    https://plantpath.osu.edu/our-people/harry-j-hoitink

    Mulches and Composts Control of Phytophthora and Other Major Diseases of Ericaceous Plants---updated text ... mechanisms of biological control of plant diseases with composts. During the past 30 years, my group ... diseases. Projects in this field are complex in nature and require an interdisciplinary team approach ...

  10. Parasitic Higher Plants

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

    of key concepts in plant pathology. Plant pathology is the study of plant disease including the ... disease including the reasons why plants get sick and how to control or manage healthy plants. Links Dwarf ... Healthy: An Overview of Integrated Plant Health Management ”  (PLPATH-GEN-4). Introduction to Plant Disease ...

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