Help with dead lawn

OP
S

Shelbel

LawnSite Member
Location
Oklahoma
Kemco, I appreciate your response. I do water, and according to a few on this post, maybe too much. And, after reading several responses, I see that could cause a problem. But, I have been on the same watering schedule for 14 years. Obviously adjusting for different seasons and exceptionally dry or rainy months. I would assume if that were the issue that I would have seen some signs prior to now that there was an issue instead of a dying lawn starting a few weeks after spraying.

I also know that pre emergent stops seed from germinating. However, I need to ask if they applied it. They aren't being very responsive when I ask what was used.

The arborist is ISA Certified. He ran a test for root rot and fungus and found nothing. He said that the needles on this type of tree is in the same family as fescue grass and overspray could have caused it. I may have jumped to "they killed my tree" because of the situation and because they agreed to replace it.

The company that sprayed has been licensed for 20 years and own a nursery as well as spray pesticides and herbicides. But, only sprayed my lawn for weeds, not pests.
 
OP
S

Shelbel

LawnSite Member
Location
Oklahoma
After reading several responses, I see that could cause a problem. But, I have been on the same watering schedule for 14 years. Obviously adjusting for different seasons and exceptionally dry or rainy months. I would assume if that were the issue that I would have seen some signs of distress prior to now that there was an issue instead of a dying lawn starting a few weeks after spraying. Prior to him spraying the lawn looked fine.

The arborist is ISA Certified. The tree was 8 years old and had no signs of distress prior to this. The arborist ran a test for root rot and fungus and found nothing. He said that the needles on this type of tree is in the same family as fescue grass and overspray could have caused it. I may have jumped to "they killed my tree" because of the situation and because they agreed to replace it.

The company that sprayed has been licensed for 20 years and own a nursery as well as spray pesticides and herbicides. But, only sprayed my lawn for weeds, not pests.
 
OP
S

Shelbel

LawnSite Member
Location
Oklahoma
Here are some photos. The first photo is where they didn't spray. It goes all the way around to the side of the yard and is still green and thick. The 3rd photo has this area on one side and the other side was sprayed and you can see where it is dying.

I put a couple of up close photos together where it shows the dead patches. They don't have powder, fungus or anything just matted dead grass.

One last note... we have had bermuda trying to creep in for years but typically the fescue is so thick that it hasn't been a problem. The bermuda has slowly started filling in the dead spots.
 

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OP
S

Shelbel

LawnSite Member
Location
Oklahoma
Here is a photo of it prior to spraying. I wish I had more or one with a larger area but it is the only one I could find in my photos.
 

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RigglePLC

LawnSite Fanatic
Location
Grand Rapids MI
Ask around, get an estimate from another lawn care company. Competitors will be interested to see this type situation. Try to find an owner with long experience and plenty of turfgrass education.
Take a soil sample--just in case you need to have it tested for chemicals.
Take a careful look at the weeds--did they die? Any other trees, flowers, or bushes look sick?

What product was used and how much?

Granular? Liquid? With what type of equipment?
What was the name of the spray applicator? Was he licensed for pesticides application?
Be sure to contact your Extension agent and discuss.
Get your irrigation company out to do an evaluation. Be sure your system and water are suitable to your soil and climate.
Try to contact the turfgrass people at OSU down the street from you--maybe they will send someone out to take a look.


Is there any sign of uneven green? Streaks or stripes?

What is the acid level and salt concentration in your soil?

Take a soil sample and try to grow some new grass seed in it. Try various flowers, clover and corn also. Compare with clean soil from another yard.
Search around your neighborhood--if they applied the Bermuda mix to other houses in your area--there may be other houses with the same condition.

If you feel the need for new grass, get an idea of the best date to reseed in your area, say about Sept 15th or whatever local advice you can find.
 
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