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Old 06-05-2007, 12:31 AM
unit28 unit28 is offline
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speedzone killed her bluegrass?

Gotta check a lawn tomorrow.

It's been 2 weeks since I applied.

Rate was 1 oz per gal.
Temp was 80

4 gal and covered 3400 sq ft.

-----------
She was having her sprinklers turned on for
the season 2 days after I applied.
I have no way of verifieng that.


I told her to irrigate it within 24hrs after I applied.

And it was written on my application sheet which includes all pertinant info.

We'll see.
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Old 06-05-2007, 03:25 AM
bug-guy bug-guy is offline
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u used speedzone red label??your rate looks good
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Old 06-05-2007, 08:06 AM
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RigglePLC RigglePLC is online now
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speedzone

Repeating myself. I used Surge (which is similar to Speedzone), on a spot in my own yard. Label rate, double and triple as a test. No effect at first. Then it killed the moss, but at the highest rate, slowly killed the bluegrass too.
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Old 06-05-2007, 11:47 AM
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DUSTYCEDAR DUSTYCEDAR is offline
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if it was real dry it could burn the grass
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Old 06-05-2007, 04:40 PM
unit28 unit28 is offline
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It was dry and warm, 2 weeks prior to me spraying.

Then the temps dropped back down and rained a lot after I sprayed.

I checked the yard today and noted two dead spots, far apart from each other. 8" in diameter

I'm guessing a fungus or insect damage..

I'm leaning more towards fungus.

Both spots were in very sunny areas where the turf is more compacted.
Overall health was very good.
--------------------------------

As far as the spraying job, it did some damage to the creeping charlie but not enough. I did see some very ill dandis that looked almost black!
So I sprayed again today and bumped up at about 1.85oz per gal. Temps 74
2mph ne wind.

I told her not to water until 48 hours instead of the 24 and,.....
I think she had her lawn mowed the day after I sprayed last time so I told her to hold off the service for two days and turn the sprinklers back on in 2 days.
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Old 06-05-2007, 08:09 PM
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DUSTYCEDAR DUSTYCEDAR is offline
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thats great it came back i have had some phototox on some hot days when its dry but rain always makes it better
a little sz goes a long way
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Old 06-05-2007, 11:04 PM
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americanlawn americanlawn is offline
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unit -- 1.1 oz per 1000 is quite accurate. I'm guessing you know your stuff. Keep up the good work & keep in mind that "oddball customers" are a challenge for all of us. We dump 'em...hope you do the same. Good luck man, and God bless -- too many customers consider "lawn guys" as just another n$gger they can deposit their life's disappointments on. We promptly cancel these types, cuz there's lots of other "good people" out there.
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Old 06-06-2007, 01:00 AM
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Ric Ric is offline
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Quote:
Originally Posted by unit28 View Post
It was dry and warm, 2 weeks prior to me spraying.

Then the temps dropped back down and rained a lot after I sprayed.


I checked the yard today and noted two dead spots, far apart from each other. 8" in diameter

I'm guessing a fungus or insect damage..

I'm leaning more towards fungus.

Both spots were in very sunny areas where the turf is more compacted.
Overall health was very good.
--------------------------------

As far as the spraying job, it did some damage to the creeping charlie but not enough. I did see some very ill dandis that looked almost black!
So I sprayed again today and bumped up at about 1.85oz per gal. Temps 74
2mph ne wind.

I told her not to water until 48 hours instead of the 24 and,.....
I think she had her lawn mowed the day after I sprayed last time so I told her to hold off the service for two days and turn the sprinklers back on in 2 days.

28

I don't work on Blue Grass or really know a whole lot about it. However all Herbicides cause stress to desirable turf and from your own statement it sounds like you applied to stressed turf. BTW most herbicides will be absorbed by the leaf in 2 hours. Watering 48 hours later only help to stress the turf even more IMHO.
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Old 06-06-2007, 01:46 AM
hughmcjr hughmcjr is offline
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1 oz per gallon is on the light side. In fact almost half of the recommmended rate for cool season grasses that I have used it on like rye or bent. I wouldn't get any clover kill and poor weed kill at 1 oz a gallon. The fact you covered the area with more than a gallon of mixed product per 1000 sq ft, might have helped the kill. That said, being dry for a long period and not being watered in could cause damage.
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Old 06-06-2007, 08:29 AM
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RigglePLC RigglePLC is online now
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Unit,
You used one ounce per gallon. However you left out some important information. How much water per 1000 sq ft? Spot spray or broadcast? Backpack or skid sprayer? PG? Is there a dead weed in the center of each spot?

That said--fungus is a high possibility--red thread or dollarspot come to mind. Consider dogspot also.
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