Bacterial Stem Rot

Pectobacterium carotovorum

1 host plant · Bacterial

Last updated

Data Maturity Baseline

This profile contains verified disease data from extension databases. Regional field notes and expert review are in progress.

Bacterial Stem Rot can show up on landscape plants, producing visible damage that ranges from leaf spots and discoloration to branch dieback depending on severity. Early detection gives you the best management options.

Start with sanitation: remove and dispose of affected material as you find it. Thin dense growth to improve air circulation, and redirect irrigation away from foliage. If the condition persists despite cultural adjustments, your local Extension office can help identify the pathogen and recommend targeted treatments.

Quick Reference

Agent Type
bacterial
Causal Agent
Pectobacterium carotovorum
Host Plants
1

Management

Cultural Controls

  • Prevent mechanical injury to trees, especially late in the season.
  • Avoid leaving trees on the ground during rainy winter weather.
  • Plant on well-drained sites.
  • Avoid mounding soil around the trunks.
  • Also, do not \"heel-in\" higher than the collar.
  • Harvest highly susceptible nursery trees during dry weather.

Host Plants (1)

Euphorbia Wood Spurge