What is the difference between plant growth regulators and plant hormones?
What is the difference between plant growth regulators and plant hormones? Please give an introduction. The two concepts of plant growth regulators and plant hormones are often easily confused. Plant hormones generally refer to plant endogenous hormones, which are products of normal plant metabolism, can move from the site of synthesis to the site of action, and regulate the plant's own...
What is the difference between plant growth regulators and plant hormones? Please give an introduction
The two concepts of plant growth regulators and plant hormones are often easily confused. Plant hormones generally refer to plant endogenous hormones, which are products of normal plant metabolism, can move from the site of synthesis to the site of action, and regulate the plant's own growth and development and various other physiological processes.
Therefore, plant hormones are limited to trace active substances produced during normal metabolism at specific sites within the plant body. Plant growth regulators, on the other hand, refer to the general term for some natural or synthetic organic compounds that are applied externally to plants and can regulate plant growth and development at relatively low concentrations, and are not nutrients. Growth regulators include not only synthetic compounds that have physiological effects on plant growth and development, but also some natural compounds as well as plant hormones.
Some of them can be extracted from plants, some are artificially synthesized by imitating the structure of plant hormones, and some have no similarity at all to plant endogenous hormones in chemical structure. When they are applied to the plant body or applied to the soil and absorbed by the root system into the plant body, they have physiological activity that regulates plant growth and development. The types of growth regulators include: auxins, gibberellins, cytokinins, ethylene generators, growth retardants and growth inhibitors, etc.
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