leaf fall

Xylella fastidiosa bacteria and damage illustrations

Study sheet of Xylella bacterium and associated diseases and plant damage botanical illustration by Lizzie Harper

Xylella fastidiosa bacteria sketchbook sheet with notes

Bacterium of Xylella fastidiosa, this form showing long pilli (many have short or no pilli)

Abscission diagram showing ho w the abscission layer lets the leaf fall off without exposing the plant to pathogens

Autumn leaf study of an Acer showing bright vivid red and yellow colours, leaf has damage and minor holes