The cleavage of plant carotenoids leads to apocarotenoids. a group of metabolites including precursors of the hormones strigolactones (SLs) and abscisic acid. regulatory and signaling molecules. Zaxinone is a recently discovered apocarotenoid growth regulator that improves growth and suppress SL biosynthesis in rice (Oryza sativa). https://www.knowall.blog/