coronavirus

Rust

Fungal

Plant disease guide — symptoms, causes, treatment, and prevention.

symptoms

Symptoms

  • circleOrange or brown pustules on leaf undersides
  • circleYellow spots on leaf tops
  • circlePremature leaf drop
help

Causes

Caused by various Puccinia and Phragmidium species. Spreads via windborne spores in moist conditions.

healing

Treatment

Remove and destroy infected leaves. Apply copper or sulphur fungicide.

shield

Prevention

Avoid overhead watering. Space plants adequately. Clear debris.

Rust — Plant Disease Guide | GreenScout