Guests - If You want access to member only forums on HSO. You will gain access only when you sign-in or Sign-Up on HotSpotOutdoors.

It's easy - LOOK UPPER right menu.

Sign in to follow this  
Followers 0
backlash 1

Circles of dead grass in yard

10 posts in this topic

Half way thru this summer our yard developed round circles, about the size of a 5 gal bucket. Started in the front, and now is all around the house, maybe 15 or 20 of these circles.

Is this something I should take care of this year yet or wait until next?

Have not used the sprinkler system to much this summer, but I did spray the yard for a clover that was spreading. Thanks.

Share this post


Link to post
Share on other sites

Did the circles appear before or after you sprayed?

Also, these cirlces.... is everything dead in them? or are they just brown circles, and there's green grass if you get on your hands and knees?

Share this post


Link to post
Share on other sites

The circles started appearing before I sprayed I guess. they are not entirely dead grass, but the outer part of the circle is the part tha looks in rough shape, the center has some healthy grass. A type of fungus I guess, but very unusual distintive round form.

Our 12 LB little dog doesn't use these areas of the yard laugh

Share this post


Link to post
Share on other sites

My guess would be either fairy ring or Necrotic ring spot.

Aerify the area and apply fertilizer.

Share this post


Link to post
Share on other sites

Fusarium Blight

Fusarium blight is caused by the widespread fungi Fusarium roseum and F. tricinctum. The disease is most troublesome on cool season grasses such as bentgrass, bluegrass and tall fescue, but occasionally attacks the warm season grasses as well. The disease is most serious during hot, humid conditions when the turfgrasses are under drought stress.

Symptoms. Initially, affected grasses display light green patches 2- to 6-inches in diameter. The shape of the affected areas may appear as circular patches, elongated streaks or crescents. At high temperatures, the patches quickly change from light green to reddish brown, then tan and finally to straw-colored. The most characteristic symptom at this stage is a doughnut-shaped area up to 3 feet in diameter with healthy grass in the center giving a "frog-eye" pattern to the diseased area. When conditions of high temperature and high humidity persist for an extended time, these diseased areas become numerous and may overlap. As a result, large areas of turf may appear blighted. As the disease progresses, grass dies as the crown and root tissues are destroyed.

On individual leaves, dark green blotches envelope the full width of the leaf blade. As the disease progresses these symptoms extend from the cut leaf tip to the base. The color changes from dark green to reddish-brown and finally to a dull tan.

Disease Cycle. The fungi that cause fusarium blight survive the winter in the thatch layer and on infected grass roots, crowns and rhizomes. As temperatures increase above 70° spore production begins. When air temperatures are between 75° and 90° and humidity is high spore production becomes profuse and affected grass may die in 4 to 7 days after the first symptoms appear. The fungi show little activity when air temperatures are below 70°, or when humidity is very low.

High nitrogen levels favor fusarium blight because of the greater accumulations of thatch. Also, excessive watering creates conditions more favorable for the fungi.

Control. In bluegrass areas, fusarium blight can be prevented by planting mixtures of bluegrass with perennial ryegrass. Otherwise, a fungicide together with a program to control thatch is essential for effective control of fusarium blight. Bayleton, Chipco 26019, and Rubigan are labelled for control of fusarium blight.

Share this post


Link to post
Share on other sites

Thanks guys.

I think ottertailguy hit it on the head. The areas must have developed into basketball size, 2" dead band of grass around a healthy green center.

I will start treatment.

Share this post


Link to post
Share on other sites

I use to work for a lawn company and it was common in lawns that were sodded. Good luck with your yard.

Share this post


Link to post
Share on other sites
Guest
This topic is now closed to further replies.
Sign in to follow this  
Followers 0



  • Posts

    • Good season Wild, onto next year. Should be some changes but I don't expect us to do anything crazy. Need to sign Granlund and Nino and that will use up a lot of our cap space. Can't afford Hanzel and possibly Haula and Vegas will be taking a player off our hands. I'm more interested to see who can sustain or step up their scoring next year or if anyone regresses. Granlund, Coyle, Nino, Zucker, Dumba, Spurgeon and Brodin all had career years, those are good problems to have. They showed us a lot but I think they still have room to grow and that is what we need. We have a nice cast of vets but they are likely too old to lead us to a cup, they would be in more supporting rolls. Hopefully our now seasoned young core and continue to build on their impressive seasons. Always disappointing to lose, even worse when you can't score against your old coach but I like the our team and hopefully we can keep getting better.
    • I'm not the most techy 40yr old out there, so I will try to explain what I'm looking to do and hopefully someone can point me in the direction I need to go. I have a cabin in the Chippawa National Forrest, no phone at the cabin and our cell phones dont work at the cabin either. My teenage son wants to take the wheeler and go riding alone. I worry he's going to get lost or if the wheeler breaks down he can't call my cell for help. When we drive my truck around; the gps in it works all the time.  I know I can put a GPS app on my sons phone so he can track his route in reverse to get back to the cabin. But what if he breaks down?  Does anyone know if there is a gps app that I could "pair" up me and my son's phone so I can see where he is at? kill 2 birds with one stone per say, he can use it to navigate himself on the wheeler and I can see where he's at incase I need to rescue him.  Thanks for the help.
    • Hit the Red River over the weekend for the 2nd time this spring. First outing wasn't great with a handful of smaller cats all under 10lbs. This weekend was a different story as we ended up with 15 cats Friday night. 5 over 10lbs, 2 of which were high teens fish. All caught on cut river bait.  Cats were on the shallow side of the river. Water was high and flowing pretty good. All fish were caught and released. Great night of fishin w no bugs to bother us and very nice weather! Gonna give it another whirl soon in a boat this time. Have a look!!
    • I've never tried my booya poppin pad crashers Yet but are they really bad or just not as good? Just wondering.
    • Well, I got the bow out today and it took about a dozen shots to get it sighted in then I shot this group at 30 yards.    I am impressed with this CB. The trigger is really thing that I'm not impressed with but I have nothing to compare it to. It seems like there is 40 acres of creep before it releases.
    • Ya I don't know do I dare say I almost like it better than deer hunting... Cant sit with him tonight but came up with a game plan wouldn't be surprised if he sticks one tonight  
    • I am still hunting yet Moose. I go to Nebraska in a few weeks. I am archery in mn. starting to see more active birds. Going to wait and shoot a tom. Nice having 4 birds already on the team. How does a guy post pictures right from your cell phone to here so I can post Dillons info on his tom.
    • Went out today in the metro areas without any luck. Didn't even see any ramps in the usual spots, and I thought they were earlier than the morels. 
  • Our Sponsors