Ring spots

Is this a Minor Pest?
Minor Pest Title

Ring spots (Mycosphaerella brassicicola)

Minor Pest Description

Ring spots are small, purple spots surrounded by a ring of water-soaked tissue on leaves which mature to brown spots with olive green borders 1-2 cm wide. The spots may develop numerous fruiting bodies which give them a black appearance or develop a concentric pattern. Heavily infected leaves may dry up and curl inwards. Ring spot requires cool, moist conditions to develop.

Minor Pest What to do.
  • Avoid planting cabbage in previously infected areas
  • Rotate crop with non-brassica crops
  • Sanitize farm tools and equipment regularly
Minor Pest Firstcontent
Scientific Name

Mycosphaerella brassicicola

Pest Type
Host Plants
Cabbage,Kales,other Brassicas- Revised