what are phytohormon
Answers
Answer:these are the hormones secreted by plants
Explanation:
Explanation:
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 toleranceand through to reproductive development.Unlike in animals (in which hormone production is restricted to specialized glands) each plant cell is capable of producing hormones. The term 'phytohormone' was coined by Went and Thimann and used in the title of their book in 1937
Phytohormones are found across the plant kingdom, and even in algae, where they have similar functions to those seen in higher plants.Some phytohormones also occur in microorganisms, such as unicellular fungi and bacteria, however in these cases they do not play a hormonal role and can better be regarded as secondary metabolites.