There are various reasons for leaf spot disease. Persistent moisture is one reason, but so is cutting the grass too deeply or one-sided fertilization. In any case, the grass is weakened;
The disease can occur all year round when temperatures are between 10 and 30 °C. It can be recognized by white-yellowish or brown spots on the lawn leaves.
As a preventative measure, it helps if
is mowed regularly (1-2 times a week)
lawn thatch is minimized or avoided, e.g. through the use of Turbogreen lawn aerator.
good permeability is ensured by scarifying or aerating the soil.
the soil is fertilized regularly (every two months)
attention is paid to good irrigation.