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These are two turf diseases common
in sodded lawns. The causes,
appearance, and treatment are very
similar. Mature necrotic ring spot
leaves a brown ring pattern in the
lawn with green grass in the center.
Summer patch creates a blotchy
uneven pattern across the affected
part of the lawn and thins out the
turf. It will look like there are lots
of bumps and divots. These diseases
are caused by fungus that lay
dormant in the soil and will flare up
under the right conditions. It affects
the roots, not the leaves, and hot weather and drought put the grass under stress that it cannot cope with as well with a diminished root system. The best way to treat your lawn is to adjust your watering. Fungus likes cool wet conditions. Light midday watering every day or at least every other day will cool the soil temperatures and take the heat stress off the grass. In addition to adjusting the watering schedule you should implement a balanced nitrogen fertilizer program, and make sure you are mowing the grass at a height of at least 2.5 inches. Core aeration is another option that improves the health of your turf and makes the grass less susceptible to disease damage.
If you think you have summer patch or necrotic ring spot, WE CAN HELP! Contact us today for an estimate!