What does PGRS mean in Unclassified?
This page is about the meanings of the acronym/abbreviation/shorthand PGRS in the Miscellaneous field in general and in the Unclassified terminology in particular.
Plant Growth Regulators
Submitted by S4Bot on March 20, 2016
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Definition
What does PGRS mean?
- plant growth regulators
- Plant hormone (or phytohormones) 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. Unlike in animals (in which hormone production is restricted to specialized glands) each plant cell is capable of producing hormones. Went and Thimann coined the term "phytohormone" and used it in the title of their 1937 book.Phytohormones occur across the plant kingdom, and even in algae, where they have similar functions to those seen in vascular plants ("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.
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"PGRS." Abbreviations.com. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.abbreviations.com/term/1770175>.
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