What is brown patch and what can I do to prevent it?
Brown Patch is a disease, which is most prevalent during the period of time when our day-time temperature is beginning the transformation from summer to fall. This disease develops from a soil born spore and it’s most defining characteristic is analmost perfect circle with a gold ring around the edge. The three contributing factors to brown patch development are cooler temperatures, an abundance of moisture and also an abundance of nitrogen fertilizer. We have no control of temperature therefore we must concentrate on the other two. You should limit your supplemental irrigation to only when necessary. In the fall most grasses can go up to two or three weeks without rain before stress occurs. You should not apply any fall fertilizer until the cooler temperature transition is complete. When you do apply your fertilizer be sure it has a limited amount of nitrogen in it. • What can I do if my grass develops Brown Patch? The first thing we must remember is that we have to limit any suppleme