I use interline to kill my mares tail which is the generic spray for Liberty I believe,I actually mix with roundup for burn down
No, but I'm considering it. Marestail has become a problem for us. This year, I decided to pass on the beans and focus on controlling the marestail. I sprayed with 24D, will plant buckwheat a month later, and see if spraying is required in the fall before planting my fall mix. I was hoping to go back to RR beans next year but if marestail continues to be a problem, liberty is a possibility.
Can you share the assumptions you used in your cost per acre calculation with us?
Thanks,
Jack
Where are you guys getting the seed and how does that cost compare??
Sure the cheapest I can find Gly is $31 for 2.5 acres. To get a really good burn down I need 3 qts per acre. 10 qts in 2.5 gal. So that is a price of $10 per acre to spray Gly. Liberty is $179 for 2.5 gallons, but it looks like 12 ounces per acre is the most I will need that is 26.6 acres in a 2.5 Gallon container. Price per acre is $6.72 per acre for Liberty. If I add to 24D to the Gly to kill the Mares Tale then the cost of Gly goes up even more.
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Is the seed cost a wash for you? Gly here is about $12.5/gal. For things like marestail, it doesn't matter how much gly apply, it just eats it. But for normal things 2 qt/ac gives me a good kill. That puts my gly cost at $6.25/ac which is close to your cost/ac for liberty. Given what Liberty can do, it seems like a better deal, but I have not looked at seed cost differential locally. Just wondered if there is much differential for you in seed cost.
Thanks,
Jack
I just called my seed guy to check price. He said $50 to $57 a bag depending on what maturity number you want. So not a big difference if you’re not used to buying WTF year old RR beans.
I think you may be going too light on your application of Liberty. From the reading I saw from OSU or Indiana you should apply 32oz per acre. Reading the label it looks like 32-43oz for burn down and 22-43 in season. Universities recommend 2 in season sprays. That's way more $ than you were planning for.Sure the cheapest I can find Gly is $31 for 2.5 acres. To get a really good burn down I need 3 qts per acre. 10 qts in 2.5 gal. So that is a price of $10 per acre to spray Gly. Liberty is $179 for 2.5 gallons, but it looks like 12 ounces per acre is the most I will need that is 26.6 acres in a 2.5 Gallon container. Price per acre is $6.72 per acre for Liberty. If I add to 24D to the Gly to kill the Mares Tale then the cost of Gly goes up even more.
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I think you may be going too light on your application of Liberty. From the reading I saw from OSU or Indiana you should apply 32oz per acre. Reading the label it looks like 32-43oz for burn down and 22-43 in season. Universities recommend 2 in season sprays. That's way more $ than you were planning for.Sure the cheapest I can find Gly is $31 for 2.5 acres. To get a really good burn down I need 3 qts per acre. 10 qts in 2.5 gal. So that is a price of $10 per acre to spray Gly. Liberty is $179 for 2.5 gallons, but it looks like 12 ounces per acre is the most I will need that is 26.6 acres in a 2.5 Gallon container. Price per acre is $6.72 per acre for Liberty. If I add to 24D to the Gly to kill the Mares Tale then the cost of Gly goes up even more.
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You are right, I was looking at the chart backwards. For Marestail it is 29 oz per acre. So that makes it $16 per acre for me.
Gly would be $10 per acre. I can’t ever get away with just 2qts per acre. So if I add 24D for the Marestail, the rate is another $4.50 cents per acre. And, now that I looked at the label closer 2-4D does not list Marestail as a weed it controls. So liberty is $16 per acre and a little more than that Gly and 2-4,D. But like others the Marestail needs to die!
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I didn't realize that. That could really help with cost. If I could use liberty for burndown and then gly for post emergence it would also cut the cost. Are the seeds marked both liberty link and RR?Forgot to mention a lot of seed that is RR tolerant is also Liberty Link as well, especially if you plant Pioneer.
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No, but I'm considering it. Marestail has become a problem for us. This year, I decided to pass on the beans and focus on controlling the marestail. I sprayed with 24D, will plant buckwheat a month later, and see if spraying is required in the fall before planting my fall mix. I was hoping to go back to RR beans next year but if marestail continues to be a problem, liberty is a possibility.
Can you share the assumptions you used in your cost per acre calculation with us?
Thanks,
Jack