Question

What are plant hormones?

Answer 1

Answer:

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

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Answer 2

Plant hormones are organic substances

produced naturally in higher plants. They

control growth and other physiological

functions of the plants. These are required in

very small amounts.