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  #21  
Old 04-11-2012, 11:58 PM
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DA Quality Lawn & YS DA Quality Lawn & YS is offline
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Good point but I am certain it is not pure KBG sod. Likely a good dose of Per Rye in there as well. It was already Heinz 56.......albeit cheap crap.
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  #22  
Old 04-12-2012, 02:28 AM
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Brown & Co. Brown & Co. is offline
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if its a repeating problem... and in a small area can you just cut it out and renovate it? Are you sure your treating for the right thing?
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  #23  
Old 04-12-2012, 08:09 AM
RodneyK RodneyK is offline
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I remembered on the Clearys 3336 that it was two apps three weeks apart at high rate in the fall that did it for me. But this lawn also gets preventative fungicide treatments throughout year.
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Old 04-12-2012, 08:19 AM
Smallaxe Smallaxe is offline
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There's good money in treating the symptoms, but very little to be made if the disease itself was cured...

The Squirt&Fert business, is a lot like the Medical Profession...
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Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage
,,, I wonder what does...
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  #25  
Old 04-12-2012, 10:36 AM
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Quote:
Originally Posted by Brown & Co. View Post
if its a repeating problem... and in a small area can you just cut it out and renovate it? Are you sure your treating for the right thing?
There are spots throughout the lawn, that are magnified when the hot July weather hits (disease flares up). Yes it is confirmed NRS.
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  #26  
Old 04-12-2012, 10:41 AM
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RigglePLC RigglePLC is offline
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Retired now. But...it is a good idea to ask where the sod came from. You will eventually get an idea of which sod farm is infested. If you find a top-quality sod farm--resod the spots--or--resod the whole thing with top-quality disease resistant sod. The newer seed cultivars are much better.
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  #27  
Old 04-13-2012, 12:24 AM
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heritage heritage is offline
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Quote:
Originally Posted by DA Quality Lawn & YS View Post
There are spots throughout the lawn, that are magnified when the hot July weather hits (disease flares up). Yes it is confirmed NRS.
DA,

What is the P.H. of this clients water?
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  #28  
Old 04-13-2012, 12:30 AM
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DA Quality Lawn & YS DA Quality Lawn & YS is offline
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DA,

What is the P.H. of this clients water?
DK, he is on a different city water system than I am.
Why do you ask? He doesn't water his lawn at all.
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7x14 Stealth SE Enclosed with 48" side ramp
08 Toro Z400 48" deck, 21HP Kaw with EZ Vac twin bag
09 Exmark Turf Tracer HP 36"
21" Toro SR4 Super Recycler
Stihl KM90 Kombi w/ straight shaft trimmer & tiller heads
Husqvarna 125B Blower
PG Magnum
Turfco XT5 Aerator
Turfco LS-22 Overseeder
EcoLawn 200 Applicator

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  #29  
Old 04-13-2012, 11:23 AM
Smallaxe Smallaxe is offline
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Quote:
Originally Posted by DA Quality Lawn & YS View Post
There are spots throughout the lawn, that are magnified when the hot July weather hits (disease flares up). Yes it is confirmed NRS.
http://www.extension.umn.edu/project...ring-turf.html
"...The fungus survives winter in infected plant material. The disease is spread by plant to plant contact or mechanically with lawn equipment. The fungus becomes active during cool, wet periods in the spring and again in the fall. Grass sheaths and roots are infected and eventually killed...."
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Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage
,,, I wonder what does...
*
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  #30  
Old 04-13-2012, 11:25 AM
Smallaxe Smallaxe is offline
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Also from the site:
"... Necrotic ring spot frequently occurs on two- to five-year-old sodded lawns and is especially prevalent in vigorously growing lawns. These lawns often develop a thick thatch layer, which stimulates fungal growth. Necrotic ring spot is also common in lawns that have layered soil; one to two inches of topsoil laid down over hard compacted native soil, but not mixed together. This effect produces a lawn with shallow roots and poor drainage. "
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Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage
,,, I wonder what does...
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