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Disease Control

Sometimes disease infects even the healthiest of lawns. Lawn diseases are one of those things. Many lawn diseases are not easy to identify and to distinguish from other problems such as pests, inadequate irrigation, or poor cultural practices.

For a turfgrass disease to exist, three primary components must exist at the same time. If any of these three things do not exist the disease cannot thrive.

 

 

 

These three components are:diagnosing_turf_disease_th.jpg

1) The Pathogen – The organism that infects the host and causes damage

2) The Environment – Environmental conditions, like high temperatures and low moisture that favor pathogen development or reduce the health and vigor of the lawn

3) The Host – A grass variety or species that is susceptible to that pathogen

 

What To Look For

Spots on leaves, brown patches or areas of dead grass may look like damage caused by disease, but they do not immediately indicate that there is a disease present in the lawn. Lawn mowers with a dull blade, mowing too short (scalping), lawn damaging insects, a poorly calibrated irrigation system, or a lack of irrigation can also cause symptoms in your lawn that may be confused with a lawn disease. A lack of proper irrigation is the most common cause of stress to lawn in the hot summer that leads to diseases in lawns.

 

Treatment

If your lawn is positively identified as having disease present, the following steps should be taken.

1) Fungicide application (possible two) 14 to 21 days apart

2) Maintaining lawn mowing height at 3” to 3.5” in the heat of the summer

3) Identifying stress factors (irrigation, proper fertilization, or compaction)

Call today for a complete lawn analysis and fertilization program estimate.

 
 
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