Lawn Pest & Disease Treatment
Common Lawn Diseases in Texas
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Brown patch is a turfgrass disease caused by the Rhizoctonia species fungus. This disease, which thrives during hot and humid months, can be found in all cool season turfgrass. Brown patch damage first appears as circular areas of brown and dead grass surrounded by a narrow, dark ring. This dark, smoke ring is not always visible, but is more likely to appear in the early morning when there’s dew on the grass.
Take-all patch is a serious root rot disease caused by the soil-borne fungus Gaeumannomyces graminis var. graminis which thrives in unhealthy soil. This disease is generally found in St. Augustine and Bermuda lawns. However, it will attack Bentgrass, Zoysia, Fescue, Perennial Rye and a few others. Symptoms include yellowing and discolored leaves in the early stages to brown dead areas as the disease progresses.
Common Lawn Pests in Texas
Armyworms are the larvae of a moth. The caterpillars are light green or tan in their early growth stage and dark green or brown in later stages. They can be identified by a series of green, yellow, or brown stripes down the length of their bodies. Mostly found in the South, especially on bermudagrass, armyworms can infest lawns and cause severe damage. Signs of trouble include small patches of brown grass with the edges of the blades chewed. Some blades may be completely eaten.
Chinch Bugs - St. Augustine grass is the primary host of the southern chinch bug. Other host plants include Bermudagrass, bahiagrass, centipedegrass and zoysiagrass. Nymphs and adults use their sucking mouthparts to remove sap from the base (crown) and stolons of plants and inject a toxic substance that prevents the plant from transporting water. In turfgrass areas, injury typically appears as yellow or dead drought-stressed or heat-stressed spots in the yard, most commonly in July and August. Infestations are usually initially localized because chinch bugs feed in aggregates. 1