Abscisic Acid (ABA)
Appearance: White to yellowish powder.
Property: Soluble in methanol, ethanol, acetone, chloroform, ethyl acetate and chloroform, and difficult to dissolve in ether, benzene.
Application: With auxinethenegibberellinand cytokinin, abscisic acid is ranked as plants five hormone. It can improve plant drought resistance and salt tolerance. Also as effective inhibitor for preventing seed germination, so it can be used for seed and fruit storage. In addition, it has great value on flower and gardening for its application for fresh flowerflower period regulation and root promotion. Because it can arouse quick close of leaf hole.