Brome

Henry020484 · Feb 8, 2018

Taken on a farm which is historically a no till farm. It has developed a bad sterile brome problem.

We are continuing the no till system but the brome is making life difficult.

Land due for spring barley has had a cover crop on all winter but a fair amount of brome is also present. Sprayed off last week,

option 1 is sow into dead brome/CC with spring barley and hope for he best, last years experience was mixed, regrowth brome in the spring barley hit yield.

Option 2 bite the bullet and press the reset button and plough.

any experience advice in this situ would be welcome. Thanks.

SilliamWhale · Feb 8, 2018

I would spray off again with roundup post drilling to get those little extra bits plus add as much liberator as you can (.3l/ha) is the limit but maybe get your calculations wrong and add more up to .5l/ha or max out on DFF. Also up the seed rate. I think there are few other options - maybe sow 10th April to maximise regrowth beforehand.

You will win the battle if your keen. I let brome get out of hand because I wasn't attentive enough - I'm slowly bringing it down again.

Don't be afraid to plough if it suits you. I don't like doing it because I'm religious.

An Gof · Feb 8, 2018

Avadex granules applied post drilling?

Clive · Feb 8, 2018

been in exactly this situation years ago, Sterile brome was our blakgrass ! resisted the temptation to plough and its has worked, land is very clean now

spring cropping, rotational diversity and avadex / broadway star were all key parts of getting on top of it

Warnesworth · Feb 8, 2018

I would be weary of applying too much DFF in the spring in a no-till situation. DFF is a very persistent and stable molecule. It has a half life of 300 days I’m told. It may then interfere with the following crop/cover crop.

ollie989898 · Feb 9, 2018

I can't remember the habits of brome, is it worth shallow cultivating this field asap and trying to get some more to flush before another go with glyphosate?

I agree with up the sowing rate. I would stick with the liberator though if it was me.

Clive · Feb 9, 2018

ollie989898 said:
I can't remember the habits of brome, is it worth shallow cultivating this field asap and trying to get some more to flush before another go with glyphosate?

I agree with up the sowing rate. I would stick with the liberator though if it was me.

Think most brome species are best left on surface to germinate iirc - they are slow / late germinators so late autumn / spring drilling helps a lot

faircomment · Feb 9, 2018

Meadow, soft and rye brome seed are not ripe when shed so need a delayed stale seedbed. Barron/sterile and great brome seeds are shed ripe so scratch the surface/ stale seedbed straight after harvest

SilliamWhale · Feb 9, 2018

Warnesworth said:
I would be weary of applying too much DFF in the spring in a no-till situation. DFF is a very persistent and stable molecule. It has a half life of 300 days I’m told. It may then interfere with the following crop/cover crop.

I agree with you. I suppose it depends on your rotation. Liberator/DFF on a spring crop before OSR will probably be safest off cultivated. I'm having to go to light cultivation for brassicas after barley because of the barley toxins playing havoc with brassica germination with the wet summers but I do wonder if DFF plays a role even 320 days after

Brisel · Feb 11, 2018

Spring barley is the wrong crop here. If you must sow barley, delay the drilling then use another dose of glŷphosate following a light surface cultivation, use a high seed rate and Avadex. Better still, sow linseed/beans/peas instead that improve the post em herbicide options.

ollie989898 · Feb 12, 2018

faircomment said:
Meadow, soft and rye brome seed are not ripe when shed so need a delayed stale seedbed. Barron/sterile and great brome seeds are shed ripe so scratch the surface/ stale seedbed straight after harvest

As I thought, wasn't a simple affair but memory went blank.

Only scratch till this stuff or otherwise is it plough time.

yellow belly · Feb 13, 2018

Avadex Covers wo as well as bg and brome in spring cereals

I Use a zero tolerance in break crops and use broadway antlantis on wheat crops where there is a history of brome

Audlem Agron · Feb 14, 2018

To beat brome in DD - its not at all tricky. Spring cropping is the key BUT broad leafed spring cropping, and in the worst fields back to back spring cropping with cover crops between them. The broad leafed crops give you the cheapest hit using quizalofop (falcon) and open up lots of chances for multiple glyphosate applications. Avadex does a good job. An example - Cover crop into spring beans into cover crop into spring wheat. The spring wheat gives you the chance to use flufenacet and atlantis.

ajd132 · Mar 17, 2018

I'm finding broadway star abit hit and miss so going to use monolith this year which is wxpensive. However we use no herbicides on any of the spring crops so need to do it in the rotation.

ollie989898 · Mar 17, 2018

ajd132 said:
I'm finding broadway star abit hit and miss so going to use monolith this year which is wxpensive. However we use no herbicides on any of the spring crops so need to do it in the rotation.

Add x change and spray soon. Without tank mixing with anything else perhaps.

Ive had unimpressive results with broadway and pacifica in the past its seasonal and down to conditions I think.

ajd132 · Mar 17, 2018

ollie989898 said:
Add x change and spray soon. Without tank mixing with anything else perhaps.

Ive had unimpressive results with broadway and pacifica in the past its seasonal and down to conditions I think.

Yes will do, hoping to spray next week.

Brisel · Mar 17, 2018

As Ollie says, add a water conditioner like X Change. SUs are susceptible to hard water just like glyphosate is.

I’m not familiar with Monolith. Does it need Biopower or any other adjuvants?

I’ve had dodgy control with Broadway too, but find that it needs much higher soil temperatures than Atlantis to work in the spring. In years with a cold March this has meant the odd bigger brome plant has started stem extension by early April which is really too late for a dose.

ajd132 · Mar 17, 2018

Brisel said:
As Ollie says, add a water conditioner like X Change. SUs are susceptible to hard water just like glyphosate is.

I’m not familiar with Monolith. Does it need Biopower or any other adjuvants?

I’ve had dodgy control with Broadway too, but find that it needs much higher soil temperatures than Atlantis to work in the spring. In years with a cold March this has meant the odd bigger brome plant has started stem extension by early April which is really too late for a dose.

It's the new Atlantis thing I will put biopower and some water softener with it.

Clive · Mar 17, 2018

Audlem Agron said:
To beat brome in DD - its not at all tricky. Spring cropping is the key BUT broad leafed spring cropping, and in the worst fields back to back spring cropping with cover crops between them. The broad leafed crops give you the cheapest hit using quizalofop (falcon) and open up lots of chances for multiple glyphosate applications. Avadex does a good job. An example - Cover crop into spring beans into cover crop into spring wheat. The spring wheat gives you the chance to use flufenacet and atlantis.

this pretty much sums up our approach over the last few years and a bad brome problem is now a none existent one

Audlem Agron · Mar 19, 2018

ollie989898 said:
Add x change and spray soon. Without tank mixing with anything else perhaps.

Ive had unimpressive results with broadway and pacifica in the past its seasonal and down to conditions I think.

Ok - best advice I can give re Broadway is this:- wait for good growy weather. The colder it is the slower your target is growing and the less susceptible it is. Dont reduce the dose - use the full label rate. Add a full litre of your chosen adjuvant - Bio-Syl works well. As long as the GW's haven't started stem extension you should be able t knock em out.

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