Lohithasu Duppala*, Santhosh naidu Matsa, Manikumar Kothakota,
GITAM Institute of Pharmacy, GITAM University, visakhapatnam, Andhra Pradesh, India-530045.
Generally, almost all communication in higher plants was thought to be mediated by the five classes of classical plant hormones i.e. auxins, cytokinins, gibberellins, abscisic acid and ethylene. The plant hormone action thus appeared to be basically different from that in animals. This article discusses the general role for new generation of plant hormones includes Brassinosteriods, Salicylic acid. Peptides,Polyaminesand Jasmonates.