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That is a good question. It could be because OSR is worth spending the money on for EAMUs, compared to Linseed the area is much greater and therefore might be worth spending the money generating seed residues, MRLs etc. It could also be it is a historic EAMU, the rules tightened with Annex 2...

I would do whichever weed is bigger, if the BLW are in 2 weeks going to be too big for the herbicide than I would prioritize that and vice versa. Bifenox will nuke the linseed, someone applied it in winter linseed and it toasted everything as well as the linseed. The poppies recovered faster...

Is it too late for an insecticide? Is it being shredded or just gone? Apologies if stupid question..

I would have said you were struggling to control it personally because it is drilled too early. I think early-mid September would be easier to control, but obviously that is just my opinion and it is your farm at the end of the day.

I'm afraid the rules have tightened on EAMUs and have not improved since Brexit. If anything they are worse. The problem is no cereal herbicides can be approved on a crop classed as an oilseed e.g. linseed. Only an EAMU can be approved for linseed if the on-label is approved on another oilseed...

I would keep it, the small bright green tillers at the base are new growth recovering from grazing. You just need rain to let it get hold of the fertiliser and it will get going and be really militant with the pigeons to shift them on.

Is it spring or winter linseed? i've seen sewage sludge used on linseed and it seems to help crops get up and go, especially the winter linseed.

This is a good point. I was only thinking of balancing getting a good grass weed chit before drilling and plant height for winter. With you being south, I would have guessed you had enough time if you went 20th to allow for both. This would give you use of a good range of herbicide actives...

Personally i would sow 20th-end of September given how far south you are. If you sow too early it gets too big going into winter and you might as well let grass weeds germinate as much as possible. Also if conditions are dry then you might as well wait because sowing into a dust bowl adds nothing.

Hopefully this helps with Round-up timing, always go off seed color rather than appearance of crop as have been said in previous comments. Copyright Premium Crops

An SU herbicide? I have no data to back it up, just it seems the most broad acting.

As an FYI, Crawler has been revoked- final use-up 30/11/2022. If you know you will need some for next season buy some nowish

Good point, that I cannot answer. Just an FYI Jubillee/Ally has had a label change, earliest applications from 1st of April for linseed.

When the products were re-registered (I think for Annex 2), they did't do any work on the Oilseed residues. Chekker was on EAMU until 2014. MCPA &Chekker controls vol OSR- Linseed isn't a big enough market to warrant the cost for the work. As far as I'm aware there isn't the Oilseed data...

Sadly there is no possibility of getting MCPA on Linseed. It is approved on Flax in France, because they don't need any residue data as flax doesn't go into the food chain. MCPA residue data is only for cereals, which means we cannot get an EAMU. Same problem for Chekker. EAMUs need the same...

This article sums it up well 'The research found fipronil in 99% of samples from 20 rivers and the average level of one particularly toxic breakdown product of the pesticide was 38 times above the safety limit. Fipronil and another nerve agent called imidacloprid that was found in the rivers...

I agree, for Suffolk it can be early and i'd drill more middle of September. As has been said above, if the weather is dry then hold off until the end of September if needs be. August is too early, winter linseed is not vernalised and will keep growing if weather stays mild. I have seen August...

On the contract side, for interest, I am not aware of any contracts specifying tolerances to poppies – no other industry other than equine has concerns. Any linseed destined for equine customers will be NOPS tested prior to delivery….at their cost.

Depends when you apply it, I haven't seen many cases of bad damage, yes it can slow growth, but on upside might save you on a PGR. Yes suggest adding Zinc. Don't apply when its cold or drought -same rules as most herbicides really. MCPA was only safe at really low doses, it was a herbicide you...

MCPA and Chekker lost their EAMUs sadly, through lack of residue data. Best bet for Poppies in spring is Ally/Jubilee.