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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 ...
A raspberry leaf spot infection initially causes dark green circular spots on the upper side of young leaves, which will eventually turn tan or gray. [3] These spots are typically 1–2 millimetres (0.039–0.079 in) in diameter, but can get as big as 4–6 millimetres (0.16–0.24 in). [4] These spots can also fall out, causing a shot effect.
Topping: Topping is a very severe form of pruning which involves removing all branches and growths down to a few large branches or to the trunk of the tree. When performed correctly it is used on very young trees, and can be used to begin training younger trees for pollarding or for trellising to form an espalier .
Many plants, trees, and shrubs require pruning during different times of the year so that they can continue to thrive, even during dormancy. Ahead, learn what our garden experts say about when you ...
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 ...
Due to its saprotrophic lifestyle, inoculum can survive on fallen leaves and dead twigs long term, which necessitates the removal or destruction of dead plant material to prevent disease spread. Mango scab is not as common in mango trees because the same fungicide sprayed on the trees for the prevention of the Anthracnose fungus will prevent ...
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