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Old 06-04-2011, 05:35 AM   #16
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[quote=sdsester;657062]Roundup. Nice still day. It is a powerful herbicide. Consumers can still buy it which amazes me at times.

Do get a tank sprayer and mark it for use as for herbicides only. Cost you $20? You can then buy and mix Roundup concentrated in gallons, five gallons or 55 gallon drums if you want. Those cute little gallon things with a spray nozzle attached? $30 or whatever walking out the door with happy consumers who shop at box stores? Crack me up.

Roundup, at least for the application you have in mind, is a non-selective and systemic herbicide. It will kill everything you spray it on. It got approved because it breaks down fast and does relatively no harm to the environment. I personally, am concerned about resistance to it being bioengineered into things like food crops. Corn in particular.[/quote]

You and my still in college son should have a discussion, he actually studied this concept @ the University of Pittsburgh.

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Old 06-04-2011, 08:25 AM   #17
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I bought some RoundUp concentrate today to make 5 gallons. What's the most effective way to use this stuff? Use it when its hot and sunny?

The RoundUp spray gun with the 1 gallon jug costs more than this? Why would people buy one over the other?
About all you need - weather wise - is to NOT have it rain on the weeds you sprayed until at least several hours after you spray. Preferably a day, but sometimes you're not that lucky.

RoundUp now sells their stuff in every conceivable concoction. You can get the premixed stuff in a simple spray bottle, pick it up and start spraying weeds. You can get the same premix in a bigger bottle with a separate spray head.

You can also get concentrate, super concentrate, ultra concentrate, and (probably) Ninja Kick The Balls Off The Weeds Concentrate. That stuff has to be mixed with water, and you use your own sprayer.

I have always gotten the "regular" concentrate. It's much cheaper than the premixed stuff, and I can always go back and re-spray the same weeds a day or two later.
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Old 06-04-2011, 08:27 AM   #18
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Even though it says rainproof in 30 minutes?
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Old 06-04-2011, 09:21 AM   #19
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Even though it says rainproof in 30 minutes?
Yeah, I dunno. How would you ever prove or disprove that? I just try to use it on a day when it's not supposed to rain for awhile.

Also, don't be disappointed when, a day later, the weeds aren't dead. RoundUp typically takes 2-3 days before you notice anything even starting to happen. Usually a week to really kill the stuff.
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Old 06-04-2011, 09:53 AM   #20
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Yeah, I dunno. How would you ever prove or disprove that? I just try to use it on a day when it's not supposed to rain for awhile.

Also, don't be disappointed when, a day later, the weeds aren't dead. RoundUp typically takes 2-3 days before you notice anything even starting to happen. Usually a week to really kill the stuff.
I used weed b gone (the stuff that's not supposed to kill grass) to kill some dandelions recently and now I have yellow spots in the areas I sprayed. Whats the best way to get these spots back to normal?
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Old 06-04-2011, 10:34 AM   #21
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I used weed b gone (the stuff that's not supposed to kill grass) to kill some dandelions recently and now I have yellow spots in the areas I sprayed. Whats the best way to get these spots back to normal?
Are you sure Weed-B-Gone is just 2,4-D and not RoundUp? I'm not suggesting anything, but just wondering.

That said, my guess is that you sprayed it on a little too heavy and damaged the grass. It did kill the dandelions, right?

My guess is that the best way to "heal" the damaged grass is just to water it, and hope it grows back in.
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Old 06-04-2011, 10:50 AM   #22
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Are you sure Weed-B-Gone is just 2,4-D and not RoundUp? I'm not suggesting anything, but just wondering.

That said, my guess is that you sprayed it on a little too heavy and damaged the grass. It did kill the dandelions, right?

My guess is that the best way to "heal" the damaged grass is just to water it, and hope it grows back in.
What if I just remove the dead yellow grass and leave it or grass seed it?
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Old 06-04-2011, 11:30 AM   #23
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What if I just remove the dead yellow grass and leave it or grass seed it?
Is the grass dead, or just kind of damaged? Honestly, I think that - either way - I'd leave it and see what happens.

How big are the areas you're talking about?
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Old 06-04-2011, 11:57 AM   #24
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Is the grass dead, or just kind of damaged? Honestly, I think that - either way - I'd leave it and see what happens.

How big are the areas you're talking about?
The grass is yellow. The spots are 6 inches round.
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Old 06-04-2011, 12:52 PM   #25
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The grass is yellow. The spots are 6 inches round.
If it was mine, I'd water the spots a little bit, and leave them alone. I think they'll grow back in fine. Only time will tell.
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Old 06-04-2011, 01:35 PM   #26
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It sound like an application sprayed on in the "squirt/stream" setting instead of the normal spray setting. This will automatically give an overdose and only time will tell.

Lawn manitenance is not a quick process, but takes time to woork and grow. Anytime you expect or see an immediate solution, you are not doing it right.

Dick

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Old 06-04-2011, 03:43 PM   #27
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using grass killer around landscaping rocks


Want to save some money when buying Round-Up? IF there is a farm supply center near you, not Tractor Supply, a real farm supply center. Go and ask for "granulated Round-Up". This is mixed with water also and I little bit goes a long way. This is mixed like 2 or 3 measured dry ounces per gallon of water. Of course it has to shaken, mixed well to dissolve. Another trick used on farms, plantations down here is to add 2-3 drops of Dawn liquid dish washing liquid per gallon of mixed herbicide. The Dawn will act as a "surfactant" to help hold the Round-Up on the leaves longer.
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Old 06-04-2011, 03:50 PM   #28
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It sound like an application sprayed on in the "squirt/stream" setting instead of the normal spray setting. This will automatically give an overdose and only time will tell.

Lawn manitenance is not a quick process, but takes time to woork and grow. Anytime you expect or see an immediate solution, you are not doing it right.

Dick
Well....all I was doing js killing dandelions.
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Old 06-04-2011, 05:15 PM   #29
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Even "Weed Be Gone", if used to excess, can kill or permanently disfigure other vegitation. It is just a broadleaf weed killer, but dosage is important and it can be distruptive to grass if applied in excess. WBG usually takes 2 or 3 days to should the initial effects of the application.

Dick
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Old 06-04-2011, 05:49 PM   #30
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Originally Posted by concretemasonry
Even "Weed Be Gone", if used to excess, can kill or permanently disfigure other vegitation. It is just a broadleaf weed killer, but dosage is important and it can be distruptive to grass if applied in excess. WBG usually takes 2 or 3 days to should the initial effects of the application.

Dick
I'll post a pic of the grass.

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