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Post by victory on May 14, 2021 21:09:06 GMT -6
I know this NOT recommended, but it has been done. What I'm talking about is spraying glyphosate on wheat that is just emerging.
Apparently wheat has some kind of protective film on it that the glyphosate does not penetrate. Is this the same for barley? Someone just asked me. They just finished spraying a field and realized that the barley was just poking through.
Anybody on here with experience? That is willing to share?
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Post by kevlar on May 14, 2021 21:14:12 GMT -6
If it's just poking out of the ground, it should be alright, I wouldn't make it a regular practice though. We did that one year with oats, looked all around and just seen wild oats coming up so gave it a shot, but as my brother was spraying, he checked a few times and found that some of them were the oats, just coming up. They turned out ok.
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jaymo
Full Member
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Post by jaymo on May 14, 2021 21:39:17 GMT -6
Last spring I sprayed a field of wheat with glyphosate a day before it started emerging. Next day I notice on my mapping I had missed a couple passes behind a low spot. So I headed back to finish up. Well, of course, I notice a bit of wheat just peeking out.....and some foxtail barley out there for sure. Well I sprayed it anyway. Foxtail died and wheat looked fine. No difference on the yield maps later either. Seems like you can get away with it, if you have to.
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Post by slipclutch on May 15, 2021 4:41:37 GMT -6
I always found that the wild oats has to be in the full two leaf stage. To kill them. With roundup.
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Post by SWMan on May 15, 2021 8:27:19 GMT -6
I remember one year I had planted some winter wheat in fall, the intention was to spray it before it came up because the field was weedy but it was also harvest time. So I finally got around to it after quickly looking in one spot, when I started spraying outside rounds I could see it was up in rows in the low spots(you could see it from the cab!) So I started turning the boom off and on as I went through the most advanced areas because it felt like I was spraying out my crop. Ended up it didn't hurt it and only difference was it was weedy where I shut the booms off.
Seems crazy and it would take a lot of nerve to spray a whole field like that.
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Post by Beerwiser on May 15, 2021 11:12:08 GMT -6
I have done lots of that for customers. Makes me cringe to the point of where I almost want them to sign a waiver. Needless to say there has never been a problem. I think if any plant is just poking through it is tough to get enough ru onto the plant to kill it, if it even hits it. And even if it does there is usually some dirt or fine dust on the leaf to further prevent the ru from getting in.
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Post by victory on May 15, 2021 13:07:17 GMT -6
Thanks for the replies. I thought it would be ok. I'll tell my brother he can sleep peacefully. lol
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tp
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Post by tp on May 15, 2021 18:46:29 GMT -6
We were told by an experienced agronomist that if the wheat leaf tip is still rounded you can spray it with the glyph and not hurt it. It develops a point in something like a day or less of coming out.
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