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  1. Viral Diseases of Plants

    https://ohioline.osu.edu/factsheet/plpath-gen-5

    provide an overview of key concepts in plant pathology. Plant pathology is the study of plant disease ... intracellular (inside cells) pathogenic particles that infect other living organisms. Human diseases caused by ... viral diseases spread. In fact, plant virologists use grafting and budding procedures to transmit and ...

  2. Melampsora Rust

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

    known as poplar leaf rust, is a foliar rust disease that has been a large problem for trees in the genus ... willows, in the United States and throughout the world. The disease is caused by several fungal pathogens ... addition to species of Saxifraga (rockfoils) and Ribe s (currants and gooseberries). The disease was ...

  3. Performing a Physical Exam on a Chicken

    https://ohioline.osu.edu/factsheet/vme-20

    Agriculture and Natural Resources, Franklin County Disease spreads quickly through flocks, therefore, it is ... one can potentially prevent or limit the spread of disease to other birds and achieve a better ... garments. It is important to realize some poultry diseases can affect humans while not showing symptoms in ...

  4. 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 ...

  5. Pruning Erect Blackberries in the Home Garden

    https://ohioline.osu.edu/factsheet/hyg-1431

    previous year. Once fruiting is completed and frost has occurred, all primocanes can be pruned or mowed ... floricanes before the fruiting season unless damaged or diseased. When the fruiting season is over, use ... pruning blackberries takes time and practice. Contact your county Extension educator for updated ...

  6. Sanitation and Phytosanitation (SPS)

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

    disease including the reasons why plants get sick and how to control or manage healthy plants.     Figure ... 1. Inspection starts in the field. Many growers scout fields for plant diseases during the growing ... of plant pests and diseases. They may include (i) requiring products to come from areas free of ...

  7. Orange Rust of Brambles

    https://ohioline.osu.edu/factsheet/plpath-fru-30

    fungus Arthuriomyces peckianus. Orange rust is the most important of several rust diseases that attack ... the canes are stunted. As the disease develops, the edges and lower surface of infected leaves (Figure ... and bright orange (Figure 2C). This bright orange, rusty appearance is what gives the disease its ...

  8. Berseem Clover as a Cover Crop in Ohio

    https://ohioline.osu.edu/factsheet/anr-0127

    a minor problem Increased insects/nematodes: could be a minor problem Increased crop diseases ...

  9. 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 ...

  10. Bitter Rot of Apple

    https://ohioline.osu.edu/factsheet/plpath-fru-20

    rot is a common fruit rotting disease of apple (and pear) that occurs in all states where apples and ... disease on peach. Glomerella cingulata can also cause a leaf spot and canker on apple, although these ... forms of the disease are not common in Ohio. Disease Development and Symptoms Figure 1. Bitter rot on ...

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