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East Central Arkansas | So far everything has been delayed for us getting a crop in this spring due to all the rain we have had. I did get early season burndown out that really did a good job but this was in January. We haven't been using a preemerge herbicide with that as we bed up over the old rows and normally get to do that late winter or early spring. We ended up spraying a second time before bedding and used Gramoxone and Sencor at 3 oz a ac. We finally got the ground bedded but had to wait for a rain before planting but the rain has set in and the weeds are growing back on the beds. It looks like we will spray everything again to be clean at planting. These beds still have to have the do-all pulled over them before planting for they will be right for planting but this doesn't kill the weeds and grasses. We will spay before doing this tillage pass. Before this last round of rains I did get to do a few acres with this third burndown spray. I am using 1 qt Gramoxone and 2 oz of Glory [Metribuzin}. We are using .25% surfactant and also using 8 oz Affect drift control to 420 gallons water. We are using the Greenleaf Turbodrop tips spraying 15 gpa. These are the 11003 tips. The design of this tip is that they have a orifice for the 03 tip but the spray pattern is through a 06 tip. At 60 psi they produce a course spray. For those of you using Gramoxone is 15 gpa with this tip enough water to use. A note in the AR U of A MP 44 book says to use at least 20 gpa of water with gramoxone. |
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northwestern middle tn | I use Gramoxone exclusively for my corn burndown. 15gal of 32%, 1 quart of atz, 1 quart of paraquat plus pre of choice. Always use a strong dose of surfactant too. Has never let me down yet. I alway use flat fans though. The atz and n really seem to make it work better. |
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N FLA | We use an oil or an EC herbicide with it. I never use metribuzin, but don't think it can count as your oil. I'd swap out oil in place of surfactant if you're not satisfies with the way it burns weeds.
Oh. Our weed scientist says 15g or 20, buth effective. |
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East Central Arkansas | What I see is it burns them fast but doesn't kill. I don't know how the oil would compare with the surfactant as far as the actual killing power but I normally think about seeing faster burn with products when using oil. I might need to try some with the oil. |
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N FLA | We kill real big palmer amaranth with Maxone and oil. Even small grass we often miss though. Worth a try..... |
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King City, Mo | What weeds are you trying to kill and what weeds are problems that your having to make a second burn down for that we could add some cheap residual for?
ParaquAt ain't cheap so for the extra sprayer pass we Autta be able to mix something in the mix to help ya out. |
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East Central Arkansas | Brad i know my post was long and even reading through it I might not be clear as to what we have run into. Normally we would have already run the do-all over these beds before we had weeds and grasses growing and would have a preemerge out either before we plant or directly behind the planter. Wet weather just hasn't allowed us to go with our intended program. At this point we really don't want a residual out there as when we drag the beds off before planting it will be disturbed and in the middles. When it gets dry enough to drag the beds off and plant we will be using Fierce for our pre. I do plan on using 2 oz of metribuzin to enhance the Gramoxone. The weed that is the most concern is the pigweed that is RR resistant. In the past we have done a good job of staying clean from this weed but with neighboring farms with it , the 2011 flood, using custom harvesters and now getting behind on our normal program due to the weather we are seeing it in our fields this spring. I guess a lot of my question is directed towards the tips I am using and the gpa spraying Gramoxone. I just got off the phone with my Syngenta rep and he thought 15 gpa was plenty of water. He did recommend surfactant over the crop oil. |
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Medicine Mound,TX | We have been spraying 24 oz of 3lb paraquat, with 1 quart/100 gal of NIS 20 gal of water with turbo twinjets. Try to keep speed and nozzle size to run 50 psi, so we don't get too much drift. Works great on everything except grass. Burns off the grass, but a week or so later it is back. Have killed some rather large pigweed with this, but our climate is different. We are behind because of the rain this year as well, I was thinking of cutting down to 15 gals to save time. |
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Eastern Arkansas | I had a lot of your similar situation earlier this year. What I did on most if mine, was run a roller instead of a doall, plant and then spray gramoxone with my residual application. You might try it if you have a roller or can borrow one. You would be surprised how much it can knock a row down without covering up any weeds, then only one trip with the sprayer and you are done. and you are a few days ahead because you don't have to spray then wait then doall then plant and spray. |
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Formerly NE North Dakota, now NW MN | We do a fair amount of gramoxone in colder conditions at the end of the season. We like to have some oil, an N source and a bunch of NIS in the tank. We really like mixing ppois with gramoxone, particularly valor, though I bet reflex or cobra or aim would be fun. Just a wild guess from the tundra though... Never had to deal with a real animal like Palmer.
An even more expensive idea would be liberty. Guess I'm not to good at coming up with economical ideas.... |
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East Central Arkansas | Nathan these are bedded over the old row. Two trips with Sprayrite bedder roller so they are real firm. The middles are so deep that I need to drag some soil off into the middles. |
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Gramoxone burndown what's works best for you
