Brown Patch
Common Name
Brown Patch
Seasons of Activity
Spring/Summer
Areas of Plant Infected
Foliage and Roots.
Cultural Methods of Control
Reduce plant stress, increase height of cut.
Scientific Name
Rhizochtonia solani
Key Distinguishing Feature
In periods of high humidity, a dark-brown, slightly grey ring can appear on the outer edge of the patch.
Brown Patch first appears as a circular patch which can range in size from a few centimetres up to a metre in diameter. At first, affected leaves become water-soaked and dark, they have a purplish green appearance as the disease takes hold.
The leaves quickly die and turn dark brown.
Key Products for Control:
Chlortan - 200mL/100sqm in 20L *Water thoroughly after application with 6-10mm of rainfall equivalent watering
Voltar 500SC - 60mL/100sqm in 10L of water
Voltar 250SC - 120mL/100sqm in 10L of water
Impala - 60mL/100sqm in 5L of water (sprayer only) or 6mL/10sqm in 9L of water (watering can)
Tribeca - 60mL/100sqm in 5L of water