ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Share This Tweet Share Are plant hormones that regulate growth and influence various developmental processes, including stem elongation, germination, dormancy, flowering, sex expression, enzyme induction, and leaf and fruit senescence. Related Articles: Gibberellic acid in plantsGibberellic acid (GA), a plumeria hormone stimulating plant growth and development, is a tetracyclic di-terpenoid compound...Learn More