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DougG 
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 Topic: Spray for garden??
Posted: 25 Feb 2024 at 10:19am |
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Crazy question, is there a spray to control weeds in a garden that wont hurt plants? Kinda sounds off to use spray with things a person will eat , but just curios; I may have to shine up the old hoe !
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WF owner
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Posted: 25 Feb 2024 at 10:25am |
Black plastic works well in cucumbers, peppers, squash, tomatoes, etc., that are planted in hills or transplanted as plants.
After emergence, I have used Preen. Preen prevents emergence, so make sure your plants are up before using. Preen is not a spray. It is granules that you spread by hand.
Edited by WF owner - 25 Feb 2024 at 10:29am
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jaybmiller
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Posted: 25 Feb 2024 at 10:40am |
what is a 'weed' ? some 'weeds' hate 2-4d, if you can buy it........ heavy layer of mulch ( NOT black walnut !!!! ) works well
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dkattau
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Posted: 25 Feb 2024 at 12:32pm |
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PREEN works good as a pre-emerge herbicide.
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dkattau
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Posted: 25 Feb 2024 at 12:33pm |
 jaybmiller wrote:
what is a 'weed' ? some 'weeds' hate 2-4d, if you can buy it........ heavy layer of mulch ( NOT black walnut !!!! ) works well
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You won’t have a tomato left if you use 2,4-D.
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WF owner
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Posted: 25 Feb 2024 at 3:18pm |
dkattau wrote:
jaybmiller wrote:
what is a 'weed' ? some 'weeds' hate 2-4d, if you can buy it........ heavy layer of mulch ( NOT black walnut !!!! ) works well
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You won’t have a tomato left if you use 2,4-D. |
...or any other "broadleaf". Grasses should grow well!!!
Edited by WF owner - 25 Feb 2024 at 3:18pm
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jaybmiller
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Posted: 25 Feb 2024 at 3:39pm |
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I can't buy 2-4d, guv law...unless I'm a golfcourse........
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Kubota BX23S lil' TOOT( The Other Orange Tractor)
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DiyDave
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Posted: 25 Feb 2024 at 5:26pm |
dkattau wrote:
jaybmiller wrote:
what is a 'weed' ? some 'weeds' hate 2-4d, if you can buy it........ heavy layer of mulch ( NOT black walnut !!!! ) works well
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You won’t have a tomato left if you use 2,4-D. |
Only if you get the 2, 4-D on the tomatoes. It has no soil activity, unlike the other broadleaf herbicides. If the tomatoes are small enough to fit under a 5 gallon bucket (as a shield), then you can spray most any non soil active weed killer, and not kill the shielded plant. Just wait till the spray dries, then remove the bucket(s), and you're done. You will still have to hand weed around the desirable plants... 
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dkattau
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Posted: 25 Feb 2024 at 5:58pm |
DiyDave wrote:
dkattau wrote:
jaybmiller wrote:
what is a 'weed' ? some 'weeds' hate 2-4d, if you can buy it........ heavy layer of mulch ( NOT black walnut !!!! ) works well
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You won’t have a tomato left if you use 2,4-D. |
Only if you get the 2, 4-D on the tomatoes. It has no soil activity, unlike the other broadleaf herbicides. If the tomatoes are small enough to fit under a 5 gallon bucket (as a shield), then you can spray most any non soil active weed killer, and not kill the shielded plant. Just wait till the spray dries, then remove the bucket(s), and you're done. You will still have to hand weed around the desirable plants... |
2,4-D drifts. It doesn’t need to sprayed directly on tomatoes to kill them.
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WF owner
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Posted: 25 Feb 2024 at 6:32pm |
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In any case, Preen works well for all transplanted plants.
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DiyDave
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Posted: 25 Feb 2024 at 8:33pm |
dkattau wrote:
DiyDave wrote:
dkattau wrote:
jaybmiller wrote:
what is a 'weed' ? some 'weeds' hate 2-4d, if you can buy it........ heavy layer of mulch ( NOT black walnut !!!! ) works well
|
You won’t have a tomato left if you use 2,4-D. |
Only if you get the 2, 4-D on the tomatoes. It has no soil activity, unlike the other broadleaf herbicides. If the tomatoes are small enough to fit under a 5 gallon bucket (as a shield), then you can spray most any non soil active weed killer, and not kill the shielded plant. Just wait till the spray dries, then remove the bucket(s), and you're done. You will still have to hand weed around the desirable plants... |
2,4-D drifts. It doesn’t need to sprayed directly on tomatoes to kill them. |
Not when there is a bucket covering the plant, till the spray has dried...
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WF owner
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Posted: 26 Feb 2024 at 6:50am |
DiyDave wrote:
dkattau wrote:
DiyDave wrote:
dkattau wrote:
jaybmiller wrote:
what is a 'weed' ? some 'weeds' hate 2-4d, if you can buy it........ heavy layer of mulch ( NOT black walnut !!!! ) works well
|
You won’t have a tomato left if you use 2,4-D. |
Only if you get the 2, 4-D on the tomatoes. It has no soil activity, unlike the other broadleaf herbicides. If the tomatoes are small enough to fit under a 5 gallon bucket (as a shield), then you can spray most any non soil active weed killer, and not kill the shielded plant. Just wait till the spray dries, then remove the bucket(s), and you're done. You will still have to hand weed around the desirable plants... |
2,4-D drifts. It doesn’t need to sprayed directly on tomatoes to kill them. |
Not when there is a bucket covering the plant, till the spray has dried... |
I haven't used 2-4D for years and never used it near something that I didn't want to control weeds in, but IIRC, 2-4D is not a "contact" herbicide (like Roundup), so wouldn't there be some migration in the soil? How would you know how close you could apply 2-4D?
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Ray54
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Posted: 26 Feb 2024 at 12:19pm |
In theory 2-4D can drift just like Banviel or the newer formulations for GM soybeans and cotton. I have sprayed a lot of 2-4D over the years and never seen it drift, just lots of little skips where I could have used a bit of drift.
From what I read Banvel can volatilizes as much as 2 or 3 days after the spraying, again I have not witnessed it myself. But much harder to keep in one place than 2-4D is.
Even here in Chinese colony of California there is a watered down form of 2-4D you could even find in the Walmart garden section. Well I was told Wally had it have not been in one in years. But I know the local farm supply places have it yet.
Being systemic action chemical and soil activity are not the same thing. But I don't know about 2-4D if could have a very limited soil activity, but nothing that last for more than a week or 2 for sure.
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DiyDave
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Posted: 26 Feb 2024 at 4:47pm |
To a certain extent all oil based herbicides can volatize. Volatility can be decreased by not spraying periods of high temperature. Spray in the early morning or late evening, with the desirable plants covered with a bucket or plastic cover. Remove the buckets or cover after spray has dried. If you leave covered too long in the sun, you risk sun burn or over heating. I would not spray after temps start hitting 55 degrees at night.
Roundup is a better choice after early spring, it also has little if any soil activity. Best is Preen or a similar pre-emergent, BEFORE the weeds sprout. |
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