| Answer | Crossword Clue |
|---|---|
| MELATONIN | Biorhythm-regulating hormone |
| phytohormone | a plant hormone, regulating growth |
| phytohormones | PHYTOHORMONE, a plant hormone, regulating growth |
| dormins | growth-regulating plant hormone, C15H20O4, that promotes dormancy and the aging and abscission of leaves |
| dormin | growth-regulating plant hormone, C15H20O4, that promotes dormancy and the aging and abscission of leaves |
