Abscission diagram
![Abscission diagram natural history illustration by Lizzie Harper](https://lizzieharper.co.uk/wp-content/uploads/2018/09/abscission-diagram-200x525.jpg)
Abscission diagram showing ho w the abscission layer lets the leaf fall off without exposing the plant to pathogens
Abscission diagram showing ho w the abscission layer lets the leaf fall off without exposing the plant to pathogens