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  #1  
Old 07-17-2012, 09:12 PM
Crist Clapper Crist Clapper is offline
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Location: Martinsburg, PA
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Dead spots in lawn... Help?

Here's two photos... Thoughts on what the problem is? What else could I tell you that would help?



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  #2  
Old 07-17-2012, 09:19 PM
suzook suzook is offline
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Looks like grubs.
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  #3  
Old 07-17-2012, 09:48 PM
Crist Clapper Crist Clapper is offline
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Grub control was applied... Maybe not effective?
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  #4  
Old 07-17-2012, 10:52 PM
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mjlcare2 mjlcare2 is offline
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Where does the dog take a leak?
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  #5  
Old 07-17-2012, 11:15 PM
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FYS777 FYS777 is offline
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water ?????
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  #6  
Old 07-18-2012, 07:25 AM
Smallaxe Smallaxe is offline
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Do those dead areas lift off the ground like pieces of rotted carpet? How deep does the water soak into the soil?? These could be puddle areas where the water sits after the irrigation goes off...
Grubs are easy enough to spot by ripping up the dead stuff and seeing what going on underneath...
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Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage
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  #7  
Old 07-18-2012, 11:22 AM
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RigglePLC RigglePLC is offline
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My vote goes to disease. Is it hot where you are? Pennsylvania. Humid? silly question. Was this lawn originally hydroseeded? Is the seed mixture high in perennial ryegrass? It looks like it.

If so, I suspect red thread fungus.
http://urbanext.illinois.edu/hortans...PathogenID=176

Dollar spot, grey leaf spot and brown patch are not out of the question.

Try to reduce the average humidity at night. Do not water after 2 pm. Water more deeply, but only three times per week--two times is better. Keep fertility level fairly high, as this reduces red thread problems. Do not buy any perennial ryegrass seed unless it claims to be resistant to red thread. Better seed costs more--and its worth it.
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  #8  
Old 07-18-2012, 07:05 PM
turf21 turf21 is offline
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I'm with Riggle. Looks to be disease. My vote goes to Dollar Spot.
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  #9  
Old 07-18-2012, 10:38 PM
maynardGkeynes maynardGkeynes is offline
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Brown patch or dollar spot. Daconil.
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  #10  
Old 07-18-2012, 10:51 PM
jbell36 jbell36 is offline
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my vote is dollar spot
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