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Will Roundup kill ungerminated seed?

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Will Roundup kill ungerminated seed?

Old 08-13-2015, 02:34 PM
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Fork Horn
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Default Will Roundup kill ungerminated seed?

Three weeks before I planted my food plot I sprayed Roundup mixing it 2 quarts to roughly 20 gallons of water. I planted a turnip plot (Shotplot seed) about 3 weeks ago. It was dry and we were expecting some rain just after I planted but the rain never came. A week after planting the weeds started to come but no turnips or very few of them anyway. So I waited another week, talked to a good friend of mine and I decided to spray again a week later (2 weeks after planting) if there was no germination happening. I was also told that because some of the seed did not germinate that the Roundup would not effect that ungerminated seed. I sprayed last week. I checked the seed again today and everything is dead again but still no germination. I reseeded some today again and would expect some results next week maybe.

The question is did the Roundup ruin the seed which had not germinated or will it still germinate?
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Old 08-13-2015, 03:15 PM
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Was your seed inoculated for roundup?
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Old 08-13-2015, 06:15 PM
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I'd watch your local weather & the next time it's forecasted to rain re-sow the plot (If you still have seed left to do so).
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Old 08-13-2015, 06:59 PM
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Originally Posted by BrushyPines View Post
I'd watch your local weather & the next time it's forecasted to rain re-sow the plot (If you still have seed left to do so).
That is what I did today and we already got the rain we needed but I don't think I had enough seed to put down for the area I planted. If nothing else I will buy some winter wheat and seed again in another 3 weeks or so.
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Old 08-14-2015, 10:19 AM
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Originally Posted by dbllunged View Post
That is what I did today and we already got the rain we needed but I don't think I had enough seed to put down for the area I planted. If nothing else I will buy some winter wheat and seed again in another 3 weeks or so.
I'd check the plot every day then and see if the seeds have germinated. If not, winter rye grass might be cheaper than winter wheat to sow the plot with.
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Old 09-03-2015, 02:33 PM
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Here's what I'd do at this point. If not already dead and mowed, cut the field again and over spray with a 2% by volumn , 40% glysophate (RU)-water mix at a rate of about 15 gal./acre. Be sure to add an ag water softener to the water before mixing the RU. Hard water reduces the effectiveness of RU. Generic RU is good enough .... Eraser, Big-n-Tuff, etc. .... and is a big savings as opposed to Round Up. It is the same stuff chemically as far as killing grass !! . And for sure a 2% mix will kill the grasses big time. If you have broadleaf weeds in the plot too such as nettles, vines, or sapplings, etc. you may want to consider adding 2-4-D to burn down the broadleaf stuff. Probably too late for this now because this product works best in hot weather and needs to have 3-4 days of no rain.

Wait 5 days or so and disc or till the plot thoroughly. Save yourself 50% or more on seed by avoiding any of these "commercial" mixes such as Shotplot. Go to any decent farm seed/feed store and buy purple top turnip and/or any other member of the brassica group by the pound ... and make your own mix. Broadcast over your plot at a rate of about 3#/acre. We use a hand operated spin spreadeer. (You can save in bulk. Any left over seeds will be good to go next year if stored in a cool dry place, such as a fridge.)

Drag in the seeds lightly .... preferably use a cultipacker rather than a drag. These small seeds need not be buried if cultipacked. And if buried, only very, very shallow. If it stays dry, no big deal. These seeds will sit and wait for wet conditions.

The group I hunt with buys one 50# bag of purple top turnip and use these to overseed our plots (35 acres worth) which will have already been planted with a mix of wheat. oats, grain rye and Austrian winter peas. We make one pass with the cultipacker and wait.

You should still have plenty of time for the food plot to develop unless your season starts earlier than down this way .... which is Oct. 15.
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Old 09-04-2015, 02:02 PM
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roundup kills anything green (broadleafs included), 24D kills broadleafs but not grass
RR
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Old 10-04-2015, 10:24 PM
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Roundup should not affect ungerminated seed.
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