what is photohormones?Give their functions.Name a few examples of plant hormones.
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photohormones means plant hormone
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Plant hormones 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.
Examples: Common plant hormones are auxins, gibberellins and cytokinines.
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