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abscission zone

American  

noun

Botany.
  1. the zone at the base of a leaf petiole, fruit stalk, or branch in which the abscission layer develops.


Example Sentences

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“The restriction of ethylene’s destructive effects only to cells in the abscission zone illustrates the precise control plants exercise over their hormone systems,” Capon wrote.

From Seattle Times • Dec. 2, 2022

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