Question

what are plant hormones?​

Answer 1

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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.

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Answer 2

Plant hormones are also called phytohormones . Plant hormones are the chemical substances which help in controlling growth , flowering , height , development of plants and their response to the environment .