← Diseases

Bacterial Blights

Pseudomonas syringae

0 host plants

Last updated

Data Coverage 2 of 6 dimensions
Causal Agent
Host Plants
Symptoms
Management
GDD Threshold
Regional Notes

General leaf spotting and twig dieback occur from various bacterial pathogens. Remove affected material, improve sanitation, and avoid overhead watering.

Maintain adequate spacing between plants and prune to provide good air circulation within the canopy. Prune out and burn all affected tissues immediately.

Quick Reference

Causal Agent
Pseudomonas syringae
Host Plants
0

Management

Cultural Controls

  • Maintain adequate spacing between plants and prune to provide good air circulation within the canopy.
  • Prune out and burn all affected tissues immediately.
  • Plant resistant species or cultivars.
  • Do not fertilize late in the growing season.
  • Do not over-fertilize young plants.
  • In spring, protect from rain and frost with plastic hoop houses or similar structures.