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Large Brown Patch, or mole crickets

Posted on 2/27/23 at 12:54 pm
Posted by BugAC
St. George
Member since Oct 2007
52765 posts
Posted on 2/27/23 at 12:54 pm
Starting to have yearly issues with brown patch in my back yard. Built the house in 2019. There is a section of my house that looks like absolute hell right now, and sometimes in the fall as well. I'm about 99% sure it's brown patch. Bought some T-Methyl G-Pro Granular to help kill the fungus. What is the turnover time before this starts getting green again? I have a few more spots in my yard that are just forming and slightly bare.

I'm wondering if all the rain from a few weeks ago is making my problem worse.

This is what it looks like now.


This is last May. Normally, i don't have issues with the patch until late fall.



ETA: possibly confirmed as mole crickets
This post was edited on 2/27/23 at 10:45 pm
Posted by Art Vandelay
LOUISIANA
Member since Sep 2005
10691 posts
Posted on 2/27/23 at 1:25 pm to
Are you getting enough sunlight? That’s centipede? Does it ever recover from year to year?
Posted by jmtigers
1826.71 miles from USC
Member since Sep 2003
4970 posts
Posted on 2/27/23 at 2:01 pm to
I don't think there's a true long term fix. That looks like a low spot so maybe you could improve drainage.

I have same thing and right now during full green up is when its the worst. It comes back year after year weather i treat it or not.
Posted by Sir Saint
1 post
Member since Jun 2010
5322 posts
Posted on 2/27/23 at 2:03 pm to
yes this looks like large patch scars which will fill in during spring, fertilizing will help speed up this process.

I have never heard of that fungicide you used, brief google search suggests it's not super effective for large/brown patch. The typical fungicides recommended for brown patch are azoxystrobin and propiconazole. These should be applied prophylactically in fall months (when temps start to cool and before any large patch is visible) and rotated from year to year to lessen chance of the fungus developing resistance.
Posted by FishinTygah84
LA
Member since Dec 2013
1976 posts
Posted on 2/27/23 at 3:22 pm to
had this exact issue and it was mole crickets. a way to tell is at night, get you a gallon of hot water and mix it with soap. go dump it in an area in that brown area. They will come popping out of there if they are there.
Posted by ronk
Member since Jan 2015
6172 posts
Posted on 2/27/23 at 3:59 pm to
They've updated the names of the fungus. Brown patch is now reserved for cool season grass and large patch for warm season grass. It will attack the grass in the fall and then you will see the scars as the rest of the lawn greens up. It typically effects the grass in the fall but it can happen in the spring. Alternate azoxystrobin and propiconizole. Never use just one fungicide.
Posted by Art Vandelay
LOUISIANA
Member since Sep 2005
10691 posts
Posted on 2/27/23 at 6:41 pm to
Could there be a dip right there thats holding water? I see it drains to the back. Could just need some slope. Might be a good time to cut out that section and add some dirt and put some new sod down. I actually created a little ridge in my front yard to get the water to shed to the front. I only had a few inches to work with over 35’. It actually looks nice and works well.
Posted by Bayou
CenLA
Member since Feb 2005
36775 posts
Posted on 2/27/23 at 8:13 pm to
Did you ever treat your fence?
Posted by ronk
Member since Jan 2015
6172 posts
Posted on 2/27/23 at 10:11 pm to
It could be a dip. Sand could level relatively quickly. Given that large patch is mainly a fall disease but he said it’s spreading could mean root rot from an over saturated lawn.
Posted by Spankum
Miss-sippi
Member since Jan 2007
55979 posts
Posted on 2/27/23 at 10:17 pm to
Do you see little white moths flying when disturbed? There is not much dew this time of year, but are there any little spider webs between blades of grass? If yes to either, you’ve got sod webworms and they will eat your lawn to the dirt before this weekend, so treat quickly.
Posted by BugAC
St. George
Member since Oct 2007
52765 posts
Posted on 2/27/23 at 10:39 pm to
quote:

had this exact issue and it was mole crickets.


I found one of these in the sink at outside. That must be what this is. How do I kill them and stop them from coming back?
This post was edited on 2/27/23 at 10:42 pm
Posted by FishinTygah84
LA
Member since Dec 2013
1976 posts
Posted on 3/2/23 at 9:00 am to
They have a treatment at home depot, but i didnt use it. I just kill them when i see them pop up from soap. they seemed to have gone away.
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