symptoms
Symptoms
- circleWater-soaked lesions on leaves that turn brown and papery
- circleBlackened, wilting shoot tips
- circleSudden collapse and death of young shoots or flower clusters
help
Causes
Caused by various Pseudomonas and Xanthomonas bacteria that enter through wounds or natural openings and spread rapidly in wet, mild weather via splashing rain and contaminated tools.
healing
Treatment
Prune out and destroy infected shoots well below visible symptoms, disinfecting tools between cuts, and apply copper-based bactericide sprays to protect remaining healthy growth.
shield
Prevention
Avoid overhead watering, space plants for good airflow, and avoid pruning or working among wet foliage.