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Brown Spots in Bermuda Help
Posted on 8/18/20 at 12:34 pm
Posted on 8/18/20 at 12:34 pm
Had a pretty massive rain last week 3-4 inches and have seen some big patches of brown in my bermuda come up. Also did my August 34-0-0 application at 1.5lbs (really needed to thicken lawn) I've been battling weeds all year as its my first season of owning the lawn. Bought at the end of May when it was too late for Pre-emergant.
I managed to solve fungus in another section earlier this year with disease x, has it come back?
These were some of my healthiest, weedless areas as well so a little confused. My soil is pretty compact but I've hand aerated two times since May to loosen and also have leveled a lot with sand/topsoil.
I think one of these sections has some pooling of water but the other one I'm a little dumbfounded. Doesn't visibly look like spots on any of the blades.
I managed to solve fungus in another section earlier this year with disease x, has it come back?
These were some of my healthiest, weedless areas as well so a little confused. My soil is pretty compact but I've hand aerated two times since May to loosen and also have leveled a lot with sand/topsoil.
I think one of these sections has some pooling of water but the other one I'm a little dumbfounded. Doesn't visibly look like spots on any of the blades.
This post was edited on 8/18/20 at 12:40 pm
6
Posted on 8/18/20 at 12:43 pm to STLhog
Have you checked for grubs / army worms?
Posted on 8/18/20 at 12:51 pm to poppa1254
Treated for them earlier in the year and haven't noticed them elsewhere. Do they typically attack the healthiest patch of grass?
Bird activity has also been way down in the yard so doesn't seem to be the problem.
What is the best way to know?
Bird activity has also been way down in the yard so doesn't seem to be the problem.
What is the best way to know?
This post was edited on 8/18/20 at 12:55 pm
Posted on 8/18/20 at 2:27 pm to STLhog
Bermuda? Appears to be St. Aug to me. Bug damage, spray yard with Cyanara, although it may be too late to come back fully green this year.
Posted on 8/18/20 at 2:35 pm to Ricky1962
That ain’t st aug
Posted on 8/18/20 at 2:41 pm to jimbeam
It’s Bermuda with some broadleaf, crab and carpet BS.
Super odd as before last week when it pissed rain, these were my healthiest sections.
Potential nitrogen overkill? Have done 3 34-0-0 treatments this summer, 30 days apart.
Super odd as before last week when it pissed rain, these were my healthiest sections.
Potential nitrogen overkill? Have done 3 34-0-0 treatments this summer, 30 days apart.
Posted on 8/18/20 at 2:43 pm to STLhog
I had some die back of St Aug about a month ago. I suspect it was insects. Laid down some insecticide and it’s starting to come back now
Posted on 8/18/20 at 2:47 pm to STLhog
I'm about 2 hours south of you and I have the same issue. My front looks very similar. I'm clueless as well.
Posted on 8/18/20 at 2:50 pm to STLhog
It's got to be insects. Maybe grubs, or webworms. I don't think its army worms.
Posted on 8/18/20 at 2:53 pm to Drunken Crawfish
There’s also some very healthy sections just adjacent to both.
What’s the best way to diagnose with certainty?
What’s the best way to diagnose with certainty?
Posted on 8/18/20 at 4:36 pm to STLhog
Same shite happened to me except in my Zoysia and in a St. Aug Spot. I suspect the Zoysia was bugs. The St. Aug is is still struggling. I have done two rounds of fungicide and two rounds of insecticide.
Posted on 8/18/20 at 4:57 pm to TheWiz
quote:
Same shite happened to me except in my Zoysia and in a St. Aug Spot. I suspect the Zoysia was bugs. The St. Aug is is still struggling. I have done two rounds of fungicide and two rounds of insecticide.
Sucks as I really thought I was turning the corner. My yard was just a shite show of broadleef weeds and Dallisgrass everywhere. Really started to get some nice running bermuda patches throughout the front and back.
Again, this is even weirder as it suddenly happened after a massive rain shower out of nowhere last week.
Best to throw down more disease x and some insecticide? It's getting late in the summer but curious about future prevention through winter.
Posted on 8/18/20 at 5:08 pm to STLhog
Start by ruling things out. It is not helminthosporium or a fert burn or any type of chemical damage. That would leave water, mowing, or insects. You mentioned pooling water which can do what you see. If the ground is over saturated for too long the roots can not exchange oxygen and will suffocate. However you said it only pooled in one of the areas so I doubt it is that. Was the grass taller than normal or did you mow it shorter than normal? Bermuda hates that shite. Check for grubs and army worms.
Looking at the picture that looks like tex turf 10 bermuda. If it is that variety then you might have problems like in the future.
Looking at the picture that looks like tex turf 10 bermuda. If it is that variety then you might have problems like in the future.
Posted on 8/18/20 at 7:52 pm to ronk
quote:
Was the grass taller than normal or did you mow it shorter than normal?
Have been mowing 2x a week at my lowest setting all summer. Have sharpened the blade 2x as well.
Not sure on the bermuda type, I never wound up seeding, just worked my arse off to salvage (with great advice from here) what I have and see if it works out, which it has. Here are some close ups as its right in the middle of my best section, the healthy portion right next to it is just fine, which makes me think its not bugs. At least it looks that way to me.
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Posted on 8/18/20 at 8:47 pm to STLhog
I have the same shite going on in my Zoysia. I need to do a bucket test and if no bugs I’m going to throw down some disease ex, some fert and pray for the best!
Posted on 8/18/20 at 9:23 pm to SuddenJerk
Bucket test?
Would they not just keep eating in my lawns case?
Would they not just keep eating in my lawns case?
Posted on 8/19/20 at 8:47 am to STLhog
quote:
Bucket test?
Fill up a 5 gallon bucket of water with a little dish soap and dump in a small area and wait a few minutes. If you have a grub or army worm problem you will see them come up to the surface. You may need to try in a couple of different spots.
Posted on 8/19/20 at 2:41 pm to STLhog
My bet is mole crickets. Do the soapy water thing on a 5ft x ft area and see if any of those ugly bastages come out.
Posted on 8/19/20 at 7:52 pm to Shaken not Stirred
Did the bucket trick. Nothing.
Guess that’s semi good news but not really sure what now.
Tempted to just hang it up this year and start over next year, starting with pre emergent and hope my good patches really take off. Has been a bitch to say the least trying to salvage this POS.
Guess that’s semi good news but not really sure what now.
Tempted to just hang it up this year and start over next year, starting with pre emergent and hope my good patches really take off. Has been a bitch to say the least trying to salvage this POS.
Posted on 8/19/20 at 9:56 pm to STLhog
And you are sure you didn’t miss a mow? Are you in STL?
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