2021 Brown Patch Fungus

In 2021 Brown Patch Fungus can enter your lawn by many mechanical means. It can enter from the wind blowing the spores into your property, in many instances mowing can help spread these spores, and it can be spread by simply walking through it. This disease is most likely to be observed from September through May when temperatures range between 75-85 and night temps fall below 68°F. It is normally not observed in the summer months, although the pathogen is present. Infection is triggered by rainfall, excessive irrigation, or extended periods of high humidity resulting in the leaves being continuously wet for 48 hours or more. Usually, this is the case with approaching cold fronts in the fall and winter. If your lawn has had a history of Brown Patch Fungus, then it is likely the disease will emerge in the same areas each year, again in the fall and early winter. We cannot cure Brown Patch Fungus, however, we can minimize its effect and control it from spreading by applying fungicides that temporarily neutralize the fungus until conditions are less favorable for its survival.

What can you do? Cultural practices, involving nutrient and water management must be adjusted to help control Brown Patch Fungus. Decrease your watering frequency especially in the affected areas. If you must water, be sure to water between the hours of 2 a.m. and 8 a.m. during the natural dew period. Avoid mowing the affected areas and try to mow around those areas, or mow those areas last to prevent spreading the disease. The mower should be washed off before proceeding to the next area of the lawn or before your next cut. Avoid walking through the affected areas. Do not apply any fertilizer. The Nitrogen in fertilizer will actually help the disease spread. Do not attempt to rake the areas out, leave them alone. Generally, these areas will recover, although slowly usually due to the time of the year. As a Luv-A-Lawn client, inform us right away should you notice any “New” areas pop up on your lawn.

This is some general information for you about 2021 Brown Patch Fungus.