Winter Barley - Spring Blackgrass Spray options

Fuzzy

Member
Arable Farmer
Location
Bedfordshire
Have got a bit of blackgrass, some cleavers and volunteer beans in Glacier barley.

What is my best option for weed control. (Apart from glypho !)
 

Shutesy

Moderator
Arable Farmer
What have you used in the autumn? As Ollie says for the Black-grass I believe Axial is about the only thing that has Black-grass on the label up-to GS41 of the crop. But I would say the majority would tell you its a pointless exercise.
 

Brisel

Member
Arable Farmer
Location
Midlands
Forget the blackgrass. It's too late to do anything in winter barley other than glyphosate.

Spitfire will do the broad leafed weeds nicely if you need to do them soon. If you can, leave these a bit longer so you can do it all in one hit with Starane XL at T1.

I'm not having a go at you specifically @Fuzzy but why the hell do farmers on heavy land think that winter barley is a suitable crop to help with blackgrass???? All I see is marketing hype by Syngenta to flog hybrid seed. What is the barley for? Replacement for a second wheat?
 

Fuzzy

Member
Arable Farmer
Location
Bedfordshire
Forget the blackgrass. It's too late to do anything in winter barley other than glyphosate.

Spitfire will do the broad leafed weeds nicely if you need to do them soon. If you can, leave these a bit longer so you can do it all in one hit with Starane XL at T1.

I'm not having a go at you specifically @Fuzzy but why the hell do farmers on heavy land think that winter barley is a suitable crop to help with blackgrass???? All I see is marketing hype by Syngenta to flog hybrid seed. What is the barley for? Replacement for a second wheat?
Whilst i hear what you say, this is not a hybrid, but a nice lush crop of Carat/Glacier.
My best land (with regards blackgrass) is down to Wheat, the next best Winter barley and then Winter beans.
This is only my second year with my money in the farm as a tenant, i already plan to have 50% spring cropping but just cant risk having what would be 75% of the farm down to spring cropping.
All this spring cropping is fine but if we get a wet or very dry spring things could go tits up across the UK very quickly.
I have had only one suitable spraying day in February so far (for killing off spring seedbeds) and wish i had carried on through the night. I also don't see another one in the forecast for the next 2 weeks!!!
 

Brisel

Member
Arable Farmer
Location
Midlands
Fair enough. 50% spring cropping is going to help the BG a lot even if it doesn't help your blood pressure in a wet March and dry April/May!
 

franklin

New Member
I'm not having a go at you specifically @Fuzzy but why the hell do farmers on heavy land think that winter barley is a suitable crop to help with blackgrass???? All I see is marketing hype by Syngenta to flog hybrid seed. What is the barley for? Replacement for a second wheat?

Better entry for OSR, ie you make a proper firm seedbed and drill it well, resulting in much better BG control from the Kerb, and removal of a lot of barley volunteers with glyphosate.
For land where Atlantis is confirmed not to work, barley has almost exactly the same herbicide options (not post-em Lexus though), while the crop is naturally more competitive and suffers less of a yield hit from the BG.

Assuming your heavy land is not going to be actually underwater, then a normal conventional barley well grown is going to be a darned sight better a crop than most wheats. Once you see what a cacky mess a late-drilled wheat crop is on proper clart, then a thick barley is a much better option.

As for BG control, forget it now. Generic starane for the cleavers, and add in something for wild oats all at T1.
 

Flat 10

Member
Arable Farmer
Location
Fen Edge
Is there any merit in using say a top up of ffct and some dff? Not sure its ideal or indeed sustainable but if the BG is small it may help? Just a thought. As for volunteer beans wait until it warms a tad and use CMPP which should also bash the cleavers.
 

Flat 10

Member
Arable Farmer
Location
Fen Edge
All perfectly good justifications for growing winter barley but not for meaningful BG control!
I think on a lot of my fields you can grow winter barley as a second cereal where you wouldn't dare grow a second wheat, Bg would get away from you where as WB will hold it. Notice I am not saying reduce numbers rather stop it from getting out of hand!
 

franklin

New Member
Was just saying that it helps with the BG better than a wheat crop in the same situation, where there is no Atlantis control. Can quite easily use a strong Avadex + flufenacet stacking approach and you may end up with a lower BG seed return, and the benefit of more time come summer to leave shed seed to germinate etc etc. Meaningful BG control without working contact options = getting it to a level to make a profitable harvest from the crop.
 

Fuzzy

Member
Arable Farmer
Location
Bedfordshire
I think on a lot of my fields you can grow winter barley as a second cereal where you wouldn't dare grow a second wheat, Bg would get away from you where as WB will hold it. Notice I am not saying reduce numbers rather stop it from getting out of hand!
I guess what you are saying is the same as my logic for the decision, i thought Wheat was a bit risky and Barley would give me a chance of a reasonable holding crop, with the chance of putting some money in the bank!
Certainly the approach of stacking multiple chemical products has stopped here, they are too expensive and most don't work now anyway!
Winter barley also helps spread the workload and this year i will have a big heap of compost to spread and then plant a cover crop straight after the bales are shifted.
 

snipe

Member
Location
west yorkshire
if its bad blackgrass, but Atlantis is still working for you try some Atlantis, will knock yield by a ton or half a ton, but its better than nothing if you have to round up it. get the barley as healthy as possible first. bit of N and some nutriphite.
 

Brisel

Member
Arable Farmer
Location
Midlands
Applying Atlantis to barley would be illegal. :whistle:

I've seen it done in trials and it worked but it knocked the hell out of the barley.
 

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