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Discussion on Pasture Downtime after Spot Spraying with Roundup
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Member:
Warwick
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Posted on Wednesday, May 31, 2006 - 12:11 pm:
Does anyone know the amount of time needed for horses to stay off pasture that has been spot sprayed with Roundup weed killer?
I checked the bottle but it doesn't indicate a timeline.
Cheers
Sue
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Member:
Annes
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Posted on Wednesday, May 31, 2006 - 4:10 pm:
I asked my vet one time when I planned to spray weeds in a fence line. She suggested waiting until after the first good rain.
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Member:
Warwick
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Posted on Wednesday, May 31, 2006 - 4:23 pm:
Thanks, Ann. That's kind of what I was thinking too and luckily it's forecasted to rain tomorrow. In the meantime they are all stuck in their winter paddocks looking miserable.
I've never used Roundup in the fields before - just around the garden where the horses don't have access. The darn bottle just says to keep people and pets off sprayed areas until they are dry but nothing about the length of time to keep livestock off pasture.
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Member:
Ajudson1
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Posted on Wednesday, May 31, 2006 - 4:49 pm:
I'd also wait until a good rain. I read once that Roundup was shown to show up in a test plot, think if was lettuce they planted. Said the lettuce had traces of the chemicals in it, this I thought was after a plot of ground was sprayed, then worked up, and planted. I've used it too, but now try to just mow and weed wack instead of kill the weeds with chemicals. It's not like anything stays dead anyhow, the weeds will come back.
I thought the guys at our feed mill said like 6 weeks after spraying?? Just something to think about, if you have alternatives like a mower or weed wacker might consider that. Roundup is some more crap to get in our ground water.
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Member:
Vickiann
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Posted on Wednesday, May 31, 2006 - 9:49 pm:
Spraying weed-killer on certain toxic plants (or just weeds in general) can, for some reason, make them more palatable to animals -- something to consider when spraying weeds.
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Member:
Warwick
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Posted on Wednesday, May 31, 2006 - 10:34 pm:
I ended up phoning the company. They said to wait 7 days. Ugh, I should have just mowed instead...
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Member:
Imogen
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Posted on Tuesday, Jun 6, 2006 - 3:05 pm:
That's on the conservative side. Glyphosate (the active ingredient) is supposed to persist for only about 3 days especially if you have sunshine.
All wilted weeds whether cut or sprayed are more palatable than the fresh version. Personally I take my scythe out and go at them by hand so I can check what weeds they are and take away anything nasty, but that's not practical on large acreages. The others (docks etc.) the horses love to eat once they are a bit wilted.
Almost everything else in terms of weedkillers needs at least 2 weeks and make sure there aren't any dying weeds that are palatable to grazing animals as well.
This particularly applies to ragwort which must be pulled up by the roots and burned not sprayed. Nothing else will make your pasture ragwort safe.
All the best
Imogen
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New Member:
Scraig
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Posted on Thursday, Jul 27, 2006 - 2:04 pm:
My county extension agent recommended a product called "Weedmaster" that he said only had a 7 day wait. The bottle said there was no wait period and the employee at the feed store backed it up. I was still sceptical so I e-mailed the company and they confirmed there is no wait. I do think you have to at least wait until the product has dried. Good luck!
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Member:
Warwick
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Posted on Friday, Jul 28, 2006 - 12:06 pm:
Thanks so much for the info about Weedmaster, Susan. I'll definitely look for it next time I'm out shopping. Hopefully it is available in Canada.
Cheers
Sue
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