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  2. 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]

  3. 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 ...

  4. Shot hole disease - Wikipedia

    en.wikipedia.org/wiki/Shot_hole_disease

    Peach tree leaves displaying various stages of the shot hole disease: brown spots on the leaf with conidium holders in the middle (center) that eventually fall off, leaving BB-sized holes behind (left) Shot hole disease of apricot leaves. The fungal pathogen Wilsonomyces carpophilus affects members of the Prunus genera. Almond, apricot ...

  5. Cherry leaf spot - Wikipedia

    en.wikipedia.org/wiki/Cherry_leaf_spot

    Infected leaves are filled with numerous black lesions that cover an obvious portion of the leaf. [5] These lesions first appear as small purple spots which turn red to brown and then black. Most spots are circular but can amalgamate to form large, irregular dead patches. [6] These spots tend to enlarge and separate from healthy tissue.

  6. Rhytisma acerinum - Wikipedia

    en.wikipedia.org/wiki/Rhytisma_acerinum

    Once on the leaves, the spores germinate and penetrate through the stoma. [2] The subsequent infection causes chlorosis of the leaves in localized yellow spots. As the season continues into summer, apothecia begin to form, giving rise to brown-black leaf lesions that resemble spots of tar. [2] Leaves retain their yellow border from the initial ...

  7. Boxwood blight - Wikipedia

    en.wikipedia.org/wiki/Boxwood_blight

    The blight initially presents as dark or light brown spots or lesions on leaves. The leaves typically turn brown or straw color, then fall off. [10] The stems develop dark brown or black lesions. [11] The disease is often fatal to young plants. The spores remain viable for five years in fallen boxwood leaves, [12] and are dispersed by wind and ...

  8. Why Does My Plant Have Brown Tips on the Leaves? - AOL

    www.aol.com/why-does-plant-brown-tips-174804955.html

    Noticing brown tips on leaves of your indoor plants? Solve the problem with proper watering and fertilizing tips from a gardening expert. The post Why Does My Plant Have Brown Tips on the Leaves ...

  9. Cephaleuros virescens - Wikipedia

    en.wikipedia.org/wiki/Cephaleuros_virescens

    Most commonly Cephaleuros virescens is identified by the leaf spots it causes. Theses leaf spots are an orange-brown rust in color and usually occur entirely on the upper leaf surface, although leaf spots on the undersides of infected leaves have been reported. The spots are fuzzy in texture and approximately 2 cm (0.8 in) in diameter. [2]