Texas Plant Disease Diagnostic Lab-
WHAT Wednesday Videos
Category Archives: turf
If You Have Grass, Read This!
Written by Taylor Duke — TPDDL Student Worker; Edited by Hannah Ayala — Extension Assistant If you’ve been noticing brown patches in your lawn lately, it’s most likely infected by the pathogen commonly known as Take All Patch. Take All Patch is caused by the soil-borne fungus Gaeumannomyces graminis var. graminis, or as we like to call it here in the lab, “Ggg”. The season of Ggg is upon us and we have been receiving lots of grass samples in the lab that are positive for this pesky fungus. Ggg… Read More →
Mushroom rings invading your yard?
This is another assignment submitted by BESC484 student, B. Commer, as a partial requirement for the course. This was a situation that was pretty rampant 1-2 weeks ago after the rain we got in many parts of Texas. Some of these mushroom are still present. Enjoy- KO Are mushroom rings invading you yard? Over fifty different species of fungi have a unique characteristic of creating circular patches of mycelium lined with fruiting bodies on the outer edge. Grasses and turfs are most susceptible to these mushroom “fairy… Read More →
Seen around College Station (Central TX).
Some patches in lawns caught my eye this week. It was interesting to note that there were several lawns in my neighborhood had patch symptoms. Most appear to be due to rhizoctonia blight (common name of disease = brown patch, yellow patch or large patch). I just call it brown patch. The “smoky” halo at the edge of the damage area of the turf was evident in many of them. I have also been getting some reports from the Dallas-Fort Worth area that this disease (caused by the… Read More →
Additional option for Golf Course managers to deal with nematodes.
Plant parasitic nematode are little tiny “worms” that attack plants. Mostly are soil inhabitants, therefore roots are the usual target of plant parasitic nematodes. On the golf course, plant parasitic nematode can be a huge problem. On golf greens, their effect on the grass can reduce the quality of the grass, in terms of growth and vigor. This could affect playability. Several years ago, products that are available as nematicide were removed from the market. One such product that had been the standard chemical treatment on golf greens… Read More →
