There are a few areas on the course where the grass has an orange or yellow color. These areas, in the rough, are showing symptoms of a disease called Rust. Rust is a disease that can show this time of year with the proper weather conditions. Along with these weather conditions, the appearance of heavy dew in the mornings contributes to this. Most mornings last week brought fog with the rising sun, this allowed the dew on the ground to hang around longer into the day, keeping the leaves of the turf wet for longer periods of time. As a result of the extended periods of leaf wetness, the spores of the pathogen are becoming very prominent.
A close look at the yellow/orange color some areas are exhibiting.
A close-up of the disease spores on a leaf.
Damage from this disease is usually not extensive. When weather conditions change, the disease will subside, allowing the turf to recover.
These are the weather conditions that are contributing to the spread to Rust. This is taken from the Blue tees on hole 7, on Saturday morning.
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