Question

what are plant hormones​

Answer 1

Answer:

Plant hormones are signal molecules, produced within plants, that occur in extremely low concentrations. Plant hormones control all aspects of plant growth and development, from embryogenesis, the regulation of organ size, pathogen defense, stress tolerance and through to reproductive development.

Answer 2

Explanation

Plant hormones are among the most important biochemicals affecting plant growth and yield production under different conditions, including stress.

eg.

AUXIN

GIBBERELLIN

CYTOKININ

ETYLENE

ABSCISIC ACID