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  2. Plant senescence - Wikipedia

    en.wikipedia.org/wiki/Plant_senescence

    Hormonal root pruning theory – in the new theory just like ethylene, GA, BA and Eth are seen both to be induced by sugar (GA/BA) and oxygen (ETH) shortages (as well as maybe excess levels of carbon dioxide for Eth) in the roots, and to push sugar and oxygen, as well as minerals, water and the growth hormones out of the root cell causing a ...

  3. Pruning - Wikipedia

    en.wikipedia.org/wiki/Pruning

    Pruning is a horticultural, arboricultural, and silvicultural practice involving the selective removal of certain parts of a plant, such as branches, buds, or roots. The practice entails the targeted removal of diseased , damaged, dead, non-productive, structurally unsound, or otherwise unwanted plant material from crop and landscape plants .

  4. Arboriculture - Wikipedia

    en.wikipedia.org/wiki/Arboriculture

    Tree grates/grill and frames: limit compaction on root zone and mechanical damage to roots and trunk Root barriers: forces roots to grow down under surface asphalt/concrete/pavers to limit infrastructure damage from roots Staking: newly planted, immature trees should be staked for one growing season to allow for the root system to establish ...

  5. Branch collar - Wikipedia

    en.wikipedia.org/wiki/Branch_collar

    Events such as storms or incorrect pruning activity can cause damage to the branch collar [11] When the trunk collar is injured, the trunk xylem below it is rapidly infected and decays. [1] Within the branch collar there is a narrow cone of cells known as the branch defence zone, these cells activate the development of wood wound which is a ...

  6. Pollarding - Wikipedia

    en.wikipedia.org/wiki/Pollarding

    Pollarding is a pruning system involving the removal of the upper branches of a tree, which promotes the growth of a dense head of foliage and branches. In ancient Rome, Propertius mentioned pollarding during the 1st century BCE. [1]

  7. Is your tree dying? A Charlotte arborist explains signs to ...

    www.aol.com/tree-dying-charlotte-arborist...

    Patrick George, the founder of Heartwood Tree Service in Charlotte, said that between fall and late spring can be a tricky time to tell if a tree is ready for removal. Various species react to ...

  8. Responsibility for root pruning and driveway repair depends ...

    www.aol.com/news/responsibility-root-pruning...

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  9. Can I prune or cut a tree on my Sacramento property without ...

    www.aol.com/news/prune-cut-tree-sacramento...

    It is a violation of Sacramento’s code to remove or prune a protected tree without a permit. Penalties can result in civil actions, criminal punishments and/or a $250 to $25,000 fine, the city ...

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