An abscission zone is the area of a plant's stem, leaf, or fruit stalk where the abscission layer is formed.

(Abscission is simply plant shedding, e.g. dropping leaves in the fall or petals from flowers.)

"A number of methods are used to delay petal abscission artificially, including the use of chemicals."

Abscission - 2010 was released on:

USA: 29 May 2010 (ArtsFest Film Festival)

No.

The abscission of the tree branches took place last night, during the fierce winds.