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  2. Tree topping - Wikipedia

    en.wikipedia.org/wiki/Tree_topping

    Large pruning wounds, such as those left behind in trees after topping, may become entry points for pathogens and may result in extensive decay. Decay undermines, to greater or lesser extent, the long-term health and physical stability of trees; most notably in those species which compartmentalize decay less effectively. Should a tree survive ...

  3. Cherry leaf spot - Wikipedia

    en.wikipedia.org/wiki/Cherry_leaf_spot

    The most obvious symptom of this disease is the yellowing of leaves before they drop in the early spring. 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.

  4. Pollarding - Wikipedia

    en.wikipedia.org/wiki/Pollarding

    Some trees may be rejuvenated by pollarding – for example, Bradford pear (Pyrus calleryana 'Bradford'), a flowering species that becomes brittle and top-heavy when older. [ citation needed ] Oaks, when very old, can form new trunks from the growth of pollard branches; that is, surviving branches which have split away from the main branch ...

  5. 7 Reasons Your Peace Lily Leaves Are Turning Yellow ... - AOL

    www.aol.com/lifestyle/7-reasons-peace-lily...

    While these plants are relatively low maintenance, it’s not unusual for peace lily leaves to turn yellow here and there due to stress, pests, or other issues. This guide explains the most common ...

  6. 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]

  7. If You See Paint on Trees, This Is What It Means - AOL

    www.aol.com/see-paint-trees-means-052524054.html

    Pruning and treatment dots also give a heads-up to property owners near the trees. This way, when the city notifies them of an upcoming pruning or treatment, they know which trees will be affected.

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