symptoms
Symptoms
- circleRapid browning and death of leaves, shoots, or flowers
- circleWater-soaked patches that expand quickly in humid weather
- circleSudden collapse of affected plant parts, sometimes within days
help
Causes
Blight is an umbrella term covering rapid, destructive diseases caused by several different fungi, oomycetes, or bacteria (such as Alternaria, Botrytis, or Phytophthora), typically favored by warm, wet, humid conditions.
healing
Treatment
Remove and destroy affected material quickly to limit spread, improve air circulation, and apply a fungicide appropriate to the specific pathogen and host plant.
shield
Prevention
Avoid overhead watering, space plants well for airflow, and remove plant debris that can harbor spores over winter.