Lawn Rust
Lawn rust is a common fungal disease that occurs primarily during the summer months. It causes yellowish-brown pustules to form on the blades of grass, which closely resemble surface rust on metal.
Infestations occur primarily between June and September.
How can you tell if you have lawn rust?
Typical signs of lawn rust are:
yellowish to brown rust pustules on the stems
When touched, the spores often stain hands, shoes, or clothing a rusty color
The lawn looks dull, weakened, and is losing its vitality
Factors That Promote Infestation
Lawn rust is caused by the fungus Puccinia caused by. The following factors are particularly conducive to infestation:
Soil dryness
Temperatures between 20 and 30 °C
high humidity
Water and Nutrient Deficiency
a film of water that lingers on the leaves
For the fungus to cause an infection, the grass blades must remain moist for several hours.
Is the lawn also too long, it doesn't dry as well—which also promotes the spread of lawn rust.
What helps combat lawn rust?
Lawn rust cannot be "combated" directly, but only On Targeted Improvements in Lawn Care curb:
Optimize light and air circulation, for example, by ventilating, aerating, sanding, or topdressing
to a A balanced and regular supply of nutrients pay attention to
Optimizing Irrigation: Better early in the morning Water in the morning rather than in the evening so that the lawn dries quickly
in cases of active infestation avoid additional stress, such as scarifying, aerating, or mowing too low
if necessary, the Temporarily increase the cutting height, to take the pressure off the lawn