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The disease infects all parts of the plant most commonly on golf course roughs, sports fields, and home lawns. There are two stages of the disease: the leaf blade infection and the crown and root infection [ 3 ] Melting out occurs during the cool weather of April and May and is encouraged by high nitrogen fertility.
Magnaporthe poae is an ascomycete fungus which causes the turfgrass disease commonly known as summer patch, or Poa patch. [2] The disease occurs mostly on Kentucky bluegrass (Poa pratensis), Fescues (Festuca sp.), and on Annual bluegrass (Poa annua). [3] Bentgrass (Agrostis sp.) may also become infected but shows very few symptoms and quickly ...
Red thread disease is a fungal infection found on lawns and other turfed areas. It is caused by the corticioid fungus Laetisaria fuciformis and has two separate stages. The stage that gives the infection its name is characterised by very thin, red, needle-like strands extending from the grass blade.
Here's a handy guide for diagnosing and treating your lawn's post-summer damage.
5 Tips For Getting Rid Of Lawn Burweed To Keep Your Grass Free Of Painful Burs. Arricca Elin SanSone. February 11, 2025 at 11:00 PM. Joseph M. DiTomaso, University of California - Davis, Bugwood ...
Dollar spot is the most common turfgrass disease in North America, with the exception of the Pacific Northwestern United States and Western Canada. [13] When left untreated, dollar spot can reach 90% disease severity and more money is spent per year to manage dollar spot than any other fungal disease. [12]
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Early symptoms of gray leaf spot can be seen on leaves as small, spherical lesions with a yellow halo around them. These first lesions may be tan or brown before fungal sporulation begins. The initial disease can be hard to identify as gray leaf spot at this stage because it looks similar to eyespot and common rust.