Lawn St Augustine Grass Disease Identification

Also visit michigan state university s turf disease identifier.

Lawn st augustine grass disease identification.

Take all root rot gaeumannomyces graminis brown patch also known as large patch rhizoctonia solani anthracnose colletotrichum graminicolais nigrospora stolon rot nigrospora sphaerica. Red thread is typically pretty easy to identify. During prolonged wet periods especially in early morning fluffy gray to white masses of fungal threads can be seen in the patches. Our lawn experts find that the raleigh variety seems to be the most susceptible to the disease.

Augustinegrass is somewhat resistant to fungal infections and the diseases are treatable. In fact almost all diseases in lawn grasses are caused by fungi. The main types of fungus that affect st. If you don t know the grass varieties in the lawn you can still click through the disease list and look for symptoms and photos.

Brown patch affects all types of grass but is most common with st. Take all root rot tarr take all root rot tarr. The good news is st. Knowing when a problem first appeared is a giant first step in identifying it.

You re most likely to see this disease in the late summer and early fall especially in shady areas with poor ventilation. Augustine problems arranged in rough chronological order of when they will appear spring through late fall. Augustine grass disease types of diseases. Individual leaves have lesions that usually begin at the leaf margin or folded edge of the leaf blade.

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. Another of the more common lawn diseases to affect st augustine grass is powdery mildew. Augustine lawns affected by brown patch will develop spotting on the grass blades that appear brown. The spot is tan in color bordered by a narrow dark brown to purple zone.

Powdery mildew not only affects lawns and grasses of all types but also affects all plant types too. Augustine grass is often afflicted by brown patch fungus rhizoctonia spp and gray leaf spot. 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. It causes pink or red thread like blades to extend from the top of your grass appearing in irregular circular patches around your lawn.