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  2. Rhytisma acerinum - Wikipedia

    en.wikipedia.org/wiki/Rhytisma_acerinum

    The infection of Tar Spot is localized to the chlorotic areas on the leaves and is mostly a cosmetic issue, rather than an economically detrimental disease. [5] The anamorph of tar spot is Melasmia acerina. [5] In late summer, conidiophores are formed in the mass of fungal tissue called the stroma. Stroma is located in the black lesions of the ...

  3. Powdery mildew - Wikipedia

    en.wikipedia.org/wiki/Powdery_mildew

    This mycelial layer may quickly spread to cover all of the leaves. The lower leaves are the most affected, but the mildew can appear on any above-ground part of the plant. As the disease progresses, the spots get larger and denser as large numbers of asexual spores are formed, and the mildew may spread up and down the length of the plant.

  4. Cristulariella depraedans - Wikipedia

    en.wikipedia.org/wiki/Cristulariella_depraedans

    Cristulariella depraedans, commonly known as gray mold spot, sycamore leaf spot or bull's eye spot, is a fungal pathogen that affects maple trees (genus Acer) and certain other woody and herbaceous species. In maples, the foliage becomes affected by small grey lesions which expand and coalesce, the leaves later wilting and falling from the tree ...

  5. What Dermatologists Want You to Know About White Spots on ...

    www.aol.com/dermatologists-want-know-white-spots...

    White spots on nails, also known as leukonychia, are usually harmless but may indicate a medical condition. Dermatologists explain common causes and treatment. What Dermatologists Want You to Know ...

  6. 7 Causes for Brown Spots on a Fiddle Leaf Fig (and How to ...

    www.aol.com/7-causes-brown-spots-fiddle...

    5. Low Humidity. Light brown spots scattered across fiddle leaf fig leaves can be caused by dry air. If the brown spots in question have a pox-like look instead of being in a single area of the ...

  7. Leaf spot - Wikipedia

    en.wikipedia.org/wiki/Leaf_spot

    Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]

  8. White spots on skin: What are they and are they dangerous? - AOL

    www.aol.com/news/white-spots-skin-what-are-they...

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  9. Blumeria graminis - Wikipedia

    en.wikipedia.org/wiki/Blumeria_graminis

    Powdery mildew of wheat is relatively easy to diagnose [8] due to the characteristic little white spots of cotton-like mycelia. [9] These can appear on the upper and lower epidermis of the leaves. As the disease progresses they become a light tan color. [9] B. g. f. sp. tritici is an obligate parasite which means it only grows on living tissue.