|
|
Dictionary definition: abscisic acid
- Article from:
- A Dictionary of Plant Sciences
- Author:
Copyright© A Dictionary of Plant Sciences 1998, originally published by Oxford University Press 1998. (Hide copyright information)
|
abscisic acid (
abscisin II
,
dormin
)
A terpenoid (see
TERPENE
) compound that is one of the five major
plant hormones
. Although it is synthesized principally in the
chloroplasts
, it occurs throughout the plant body and is particularly concentrated in the leaves, fruits, and seeds. It has powerful ...