Home > Terms > English, UK (UE) > Abscission

Abscission

The falling of leaf, twig-tip, etc, from a clean-cut scar, by a self-healing wound.

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  • Part of Speech: noun
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  • Industry/Domain: Plants
  • Category: Horticulture
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Related terms

abscission
Education; SAT vocabulary

The act of cutting off, as in a surgical operation.

absciss
Biotechnology; Genetic engineering

The horizontal axis of a graph. cf ordinate.

abscission
Biology; Botany

a plant's normal shedding of an organ that is mature or aged, e.g. a ripe fruit or an old leaf.

abscission
Plants; Botany

The normal shedding from a plant of an organ that is mature or aged, e.g. A ripe fruit, an old leaf. Adj. Abscissile.

abscission
Plants; Plant pathology

The shedding of leaves or other plant parts as the result of physical weakness in a specialized layer of cells (the abscission layer) that develops at the base of the structure.

abscission
Science; General science

The process whereby a plant sheds one of its parts. Leaves, flowers, seeds, and fruits are parts commonly abscised. Almost any plant part, such as very small buds and bracts to ...

bark
Plants; Horticulture

The rough outer part of the cortex; loosely used for the entire cortex.

articulate
Plants; Horticulture

Having nodes or joints where separation may naturally occur.

annular
Plants; Horticulture

Ring-like; said of leaf scars that encircle the bud, or bundle scars that are circular with an opening in the center.

anterior
Plants; Horticulture

On the front side, away from the axis, toward the subtending bract.

aphid
Plants; Horticulture

a small green or white insect that sucks juices from plant parts

apomixis
Plants; Horticulture

process of producing viable seed without fertilization

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