If it's summertime, then it must be anthracnose

The first reports of anthracnose on poa greens started coming in this week — from as far north as Chicago, to as far south as Orange County, in California. What conditions did these widely diverse climates have in common that produced such a coordinated outbreak?

There are many conditions that can lead to an anthracnose outbreak, but the three essential ingredients are:

- Stressed turf (due to heat, drought stress, traffic, tournament preparation — you name it!) - Average air…