Shoot Blight
Multiple pathogens cause shoot blight on different hosts: Phytophthora cactor...
20 host plants · Fungal
Last updated
Shoot Blight (Phytophthora cactorum"heeled in\" (placed in sawdust piles) after bare-root stock has been dug prior to shipping to market. Shoot blight also can occur in the spring on pla) can show up on landscape plants, producing visible damage to foliage, stems, or branches. Early detection gives you the best chance at managing it before it spreads to adjacent hosts.
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
Management
Cultural Controls
- Prevent mechanical injury to trees, especially late in the season. Avoid leaving plants 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 plants during dry weather. Remove and destroy all infected plants a