Lawn St Augustine Grass Disease Identification

It causes pink or red thread like blades to extend from the top of your grass appearing in irregular circular patches around your lawn.
Lawn st augustine grass disease identification. Knowing when a problem first appeared is a giant first step in identifying it. Another of the more common lawn diseases to affect st augustine grass is powdery mildew. Our lawn experts find that the raleigh variety seems to be the most susceptible to the disease. Augustine grass is often afflicted by brown patch fungus rhizoctonia spp and gray leaf spot.
Take all root rot gaeumannomyces graminis brown patch also known as large patch rhizoctonia solani anthracnose colletotrichum graminicolais nigrospora stolon rot nigrospora sphaerica. This disease often develops in the cool but humid months of spring and can be full blown by summertime. In fact almost all diseases in lawn grasses are caused by fungi. The spot is tan in color bordered by a narrow dark brown to purple zone.
Red thread is typically pretty easy to identify. The good news is st. You re most likely to see this disease in the late summer and early fall especially in shady areas with poor ventilation. During prolonged wet periods especially in early morning fluffy gray to white masses of fungal threads can be seen in the patches.
Brown patch affects all types of grass but is most common with st. Powdery mildew not only affects lawns and grasses of all types but also affects all plant types too. Augustine lawns affected by brown patch will develop spotting on the grass blades that appear brown. Here are the most common st.
Powdery mildew not only affects lawns and grasses of all types but also affects all plant types too. The main types of fungus that affect st. This site asks whether the turf is located at a home or golf course offers checkboxes for 13 symptoms then asks for irrigation status time of. Rust diseases appear as irregular light green or yellow patches on the lawn but if you look closely you ll see orange yellow rust spores on the individual grass blades.
Also visit michigan state university s turf disease identifier. Individual leaves have lesions that usually begin at the leaf margin or folded edge of the leaf blade. Augustine problems arranged in rough chronological order of when they will appear spring through late fall. Augustinegrass is somewhat resistant to fungal infections and the diseases are treatable.