| Compound | Description |
|---|---|
| glucose, (beta-d)-isomer | |
| abscisic acid | Abscission-accelerating plant growth substance isolated from young cotton fruit, leaves of sycamore, birch, and other plants, and from potatoes, lemons, avocados, and other fruits. |
| ethylene | |
| benzylaminopurine | a plant growth regulator |