![]() Patches coalesce and become large dead areas. Yellowing of blades in the infected areas.ĭevelopment of yellow and irregular patches. These larger areas are often elongated or concentrated in the wettest areas or in patterns associated with the flow of water or spread of mycelium by equipment.ĭevelopment of water-soaked spots on turf in the early stage of the disease. This resulted in the name "cottony blight." Numerous spots on the turf may coalesce to form large, irregular areas of dead turf. During the periods of high humidity, the collapsed leaves become matted and covered with a fluffy white mass of mycelium. Infected leaves become light tan to brown, shriveled, and matted when dry. On bentgrass putting greens the patches appear orange to bronze in color, and gray "smoke rings" may be present during early morning hours. ![]() When rubbed between fingers, the water-soaked leaves feel oily, resulting in the name "grease spots." The affected areas of the grass (patches) fade to a light brown or gray color. In the early morning, leaves appear water-soaked and dark in patches. Small irregular shaped spots (2-10 cm or 1-4 inches in diameter) appear suddenly during warm to hot humid weather. Severe outbreaks can completely destroy the turfgrass within a few days under favorable conditions. Contact us right now and use our easy scheduling page to set up your lawn analysis and free estimate.Pythium blight, also known as grease spot and cottony blight, can be a highly destructive turfgrass disease, especially on bentgrass and ryegrass. There’s no time to waste when it comes to protecting your lawn from Pythium blight and other dangerous lawn diseases. Once our professionals decide on the right course of treatment, they’ll start right away repairing your lawn and protecting it into the future. Once you contact us to schedule a free estimate, we will come to your lawn and quickly figure out exactly what the problem is. Many other common fungi, weeds and insects can create issues for Florida lawns, and we at Bee Green have post-emergent and pre-emergent solutions for all of them. It is certainly possible that the problems you see with your lawn are due to something other than Pythium blight. If your lawn has suffered from Pythium blight in the past, we strongly recommend you get in touch with us to start preventative treatments right away. We can also arrange for year-round preventative applications to prevent further outbreaks of Pythium blight. ![]() The sooner you allow us to treat your lawn, the better able we are to minimize the damage. If you suspect there is Pythium blight on your lawn or golf course in central Florida, we advise that you contact Bee Green Pest Control to schedule an appointment immediately. How Can Bee Green Pest Control Help You with Pythium Blight? Furthermore, if you have had Pythium blight before and have not treated it, the fungi may survive in the soil all the way into next season, re-emerging to destroy more of your grass the following summer. Under the right conditions - warm, humid weather and high nitrogen levels - Pythium blight can spread extremely quickly, destroying turfgrass in a matter of days. Pythium blight can be devastating to a lawn. As humidity rises, diseased leaves appear covered with a white, moldy growth that gives this blight its “cottony” name. It starts as small irregular spots of about half an inch to four inches in diameter, creating light brown or gray patches and streaks on your lawn. Pythium blight tends to first appear in parts of your lawn where water commonly gathers. What Are Some Characteristics of Pythium Blight? It tends to spread quickly in the kind of hot, humid weather you will often encounter in Florida. Pythium blight, or Pythium aphanidermatum - and sometimes known as cottony blight - is a lawn disease that frequently attacks bentgrasses and ryegrasses. One very destructive turfgrass disease you need to be on the lookout for is Pythium blight. These include not just the weeds and insects you may be accustomed to, but a variety of fungi and other diseases that love to attack lawns. If your lawn is important to you, you need to be always on the lookout for the many threats that can plague the Florida landscape.
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