A lipid hormone that inhibits cell growth in plants; it is associated with fruit drop, leaf death and seed dormancy. It is synthesized in the plastids from carotenoids. This hormone helps plants deal with water loss, and its effects can be reversed with gibberellins.

From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

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