ethephon
noun
eth·e·phon
ˈe-thə-ˌfän 
: a synthetic plant growth regulator C2H6ClO3P that induces flowering and abscission by promoting the release of ethylene and has been used to cause early ripening (as of apples on the tree)
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“Ethephon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethephon. Accessed 22 Dec. 2024.
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