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  2. Cherry leaf spot - Wikipedia

    en.wikipedia.org/wiki/Cherry_leaf_spot

    Septoria padi (Lib.) Thüm. (1874) Cherry leaf spot (Blumeriella jaapii) is a fungal disease which infects cherries and plums. Sweet, sour, and ornamental cherries are susceptible to the disease, being most prevalent in sour cherries. The variety of sour cherries that is the most susceptible are the English morello cherries.

  3. Shot hole disease - Wikipedia

    en.wikipedia.org/wiki/Shot_hole_disease

    Shot hole disease. Cherry leaves with a mild shot hole disease infection. Shot hole disease (also called Coryneum blight) is a serious fungal disease that creates BB -sized holes in leaves, rough areas on fruit, and concentric lesions on branches. The pathogen that causes shot hole disease is Wilsonomyces carpophilus. [1]

  4. Leaf spot - Wikipedia

    en.wikipedia.org/wiki/Leaf_spot

    A leaf spot is a limited, discoloured, diseased area of a leaf that is caused by fungal, bacterial or viral plant diseases, or by injuries from nematodes, insects, environmental factors, toxicity or herbicides. These discoloured spots or lesions often have a centre of necrosis (cell death). [1] Symptoms can overlap across causal agents, however ...

  5. Alternaria leaf spot - Wikipedia

    en.wikipedia.org/wiki/Alternaria_leaf_spot

    Alternaria leaf spot or Alternaria leaf blight are a group of fungal diseases in plants, that have a variety of hosts. [1][2][3] The diseases infects common garden plants, such as cabbage, and are caused by several closely related species of fungi. [4] Some of these fungal species target specific plants, while others have been known to target ...

  6. Cercospora - Wikipedia

    en.wikipedia.org/wiki/Cercospora

    Cercospora is a genus of ascomycete fungi. Most species have no known sexual stage, and when the sexual stage is identified, it is in the genus Mycosphaerella. [2] Most species of this genus cause plant diseases, and form leaf spots. It is a relatively well-studied genus of fungi, but there are countless species not yet described, and there is ...

  7. Xanthomonas campestris pv. vesicatoria - Wikipedia

    en.wikipedia.org/wiki/Xanthomonas_campestris_pv...

    Xanthomonas campestris pv. vesicatoria is a bacterium that causes bacterial leaf spot (BLS) on peppers and tomatoes. It is a gram-negative and rod-shaped. [1] It causes symptoms throughout the above-ground portion of the plant including leaf spots, fruit spots and stem cankers. [1][2][3][4] Since this bacterium cannot live in soil for more than ...

  8. Rhytisma acerinum - Wikipedia

    en.wikipedia.org/wiki/Rhytisma_acerinum

    Rhytisma acerinum is a plant pathogen that commonly affects sycamores and maples in late summer and autumn, causing tar spot. Tar spot does not usually have an adverse effect on the trees' long-term health. [1] R. acerinum is an Ascomycete fungus that locally infects the leaves of trees and is a biotrophic parasite. [2]

  9. My Inconspicuous Spot That Was ‘Nothing’ Turned Out ... - AOL

    www.aol.com/inconspicuous-spot-nothing-turned...

    So, 13 years ago, when an unusual spot appeared on my wrist, I was quick to point it out to my dermatologist, who promptly told me he was unconcerned. The answer was the same when I asked about it ...