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Here’s when your lawn can benefit from fungicides. ... fungicide treatment may be in order because cool season grasses can be killed by disease, says Waltz. ... The top 10 best Super Bowl ...
Turf melting out is caused by the fungal pathogen Drechslera poae, in the family Pleosporaceae.It is a common problem on turfgrass and affects many different species. The disease infects all parts of the plant most commonly on golf course roughs, sports fields, and home lawns.
Over 77 °F (25 °C), the growth rate of the fungus decreases significantly, and it ceases at 85 °F (29 °C). 8 Turf grass that is poor in nutrition and are slow growing are areas that are more susceptible to red thread disease. 2 The fungus grows from the thread like red webbing structures called sclerotia. 1 The sclerotia can survive in leaf ...
Chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile) is an organic compound mainly used as a broad spectrum, nonsystemic fungicide, with other uses as a wood protectant, pesticide, acaricide, and to control mold, mildew, bacteria, algae. [2] Chlorothalonil-containing products are sold under the names Bravo, Echo, and Daconil.
From Virginia to Ohio to Michigan, armyworms are chomping through grass across the country. Here's how to save yours. Armyworms are eating lawns overnight: Experts share the best grass treatments
Brown patch symptoms differ depending on the various maintenance practices performed on the turfgrass (mowing height, fertilizer, watering, etc.) Symptoms on turfgrasses that are wet for extended periods and are closely mowed will produce a distinctive gray-purplish bordered ring "smoke-ring" that is up to 50 cm in diameter. [3]
This works out to about 10 fungicide treatments annually. The disease affects the majority of turfgrass species, and is active under a wide range of temperatures. Dollar spot is the most common turfgrass disease in North America, with the exception of the Pacific Northwestern United States and Western Canada. [ 13 ]
Curative applications are best made as soon as symptoms are visible. The best treatment is to apply Medallion, polyoxin-D (e.g., Affirm and Endorse), ProStar, one of the QoI fungicides (e.g., Heritage or Insignia), Trinity, Triton Flo, and Torque now and repeat in two to three weeks to limit disease development later in the spring. [14]
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