abscission
- noun
- /æbˈsɪʃən/
- Specialized
:
abscisión
- For a typical nonsucculent desert plant, stomata open daily at levels of leaf hydration that plants from mesic habitats would not tolerate because they would have resulted in leaf abscission.
Examples
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As summer ends, the abscission of flowers signals the start of the plant's dormancy period.
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Jadin completed a senior honors thesis on her research in Anthony Bleecker's lab on an abscission gene in Arabidopsis.
Academic text (2009) -
The separation has a name: abscission.
Academic text (1996) -
"Few labs around the world are examining abscission at the genetic level," he says.
Academic text (1996) -
Abscission zones are thin layers of cells.
Academic text (1996) -
"We isolated this gene from abscission zones, but it appears to be active throughout the tomato plant," Tucker says.
Academic text (1996) -
But ethylene triggers far more than abscission.
Academic text (1996) -
Goals include preventing, delaying, or promoting ripening and abscission.
Academic text (1996) -
Although there are still autumn colors in the woods, most of the leaves have undergone abscission and are lying quietly on the forest floor, beginning the slow journey into compost.
Blog text (22) -
During autumn, many trees experience abscission, causing their leaves to fall and form a carpet on the ground.
Synonyms
3
3.4
Losing hair or leaves naturally from animals and plants
1
7.0
Loss of leaves from trees and plants caused naturally or by chemicals
Surface Forms
Morphology
Etymology
Abscission comes from the Latin parts ab- meaning 'away' and scindere meaning 'to cut'. Imagine a leaf or fruit being 'cut away' from a tree, so abscission names the natural process when plants shed leaves, flowers, or fruit.