Apply Texas greensand at a rate of 10 pounds per 1000 square feet. The use of Texas greensand as a supplement when fertilizing will help adjust the soil pH, thus making essential nutrients readily available.
#F stop fungicide Patch#
The brown patch fungus readily attacks the lush growth of grass which nitrogen promotes.
This is much easier and less expensive than the use of fungicides and can be very effective.Īvoid high nitrogen rates on warm season grasses in mid to late fall.
The best way to prevent brown patch in the home lawn is by following good lawn care practices. Augustine) shows the most potential for being highly resistant. In most cases, affected areas are able to recover, but the selection of Flora-TAM (St. Brown patch is the most common and important disease of ‘Raleigh’ St. There are no turfgrass species currently available that are entirely resistant to brown patch. Augustine grass grown in shady, moist locations.Ĭlose inspection of grass blades reveals small, irregular, tan leaf spots (burnt cigarette appearance) with dark-brown borders in combination of rotted leaf sheaths near the soil surface.Īll types of lawn grasses grown in South Texas can be affected by brown patch. This type of pattern is commonly seen on infected St. When disease conditions are favorable, large areas of the lawn may be uniformly thinned and eventually killed with no circular patch being evident. Often the center of the patch will recover, resulting in a doughnut-shaped pattern. These areas range in diameter from a few inches to several feet. The disease usually causes thinned patches of light brown grass that are roughly circular in shape. Symptoms of brown patch may vary greatly with the type of grass and soil conditions. Augustine (especially the over-planted ‘Raleigh’ selection), Bermuda, and Zoysia are most commonly affected by brown patch (also called large patch) during the early spring and late fall. It can develop rapidly when temperatures are warm (70° to 90° F) and humid, especially during warmer periods of the fall and winter months. The beauty of a lawn can be quickly destroyed by brown patch (Rhizoctonia species), a serious fungal disease that can affect all South Texas lawn grasses.
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