aminopyralid in manure does not appear to have gone away

Joan49

It looks as if the problem with aminopyralid in manure may not have gone away. Two plot holders on our allotments have potato leaf curl problems that looks like those caused by aminopyralid. They both used horse manure from the same source. It may be that the manure was produced before the reintroduction of the product under new guidelines but as the product was suspended in 2008 and not reintroduced until 2010 I find that a bit difficult to believe.

Lotus-eater

Yes be very careful where you get it from and do a test on a bit with a broad bean plant, before you bring loads home, if you can.

realfood

Always do the "bean test" before you add manure to your ground. See this page for details of how to do the test and other info on this problem :-http://www.growyourown.info/page164.html

lostinrates

Ask the manure provider to confirm with their hay and feed sources that it is free from this. I KNOW my hay is free from this and i checked with all our feed and supplement providers that that is free too. We rarely use straw, but what we do use is organic, so that is safe on the muck heap too.


2008 from a small stables with large muckheap is not unfeasible as a source. E.g. Our muck heap has been in use since we moved two years ago and is not even an eigth full. (we use our own manure but not all that we produce)

glallotments

Hi Joan49,
I am keeping a log of victims of aminopyralid contamination on my website in this section (sorry I've had to remove the link so hope you can follow the address below) the web address is glallotments dot co dot uk and the section about manure can be found from the button on the sidebar.

I have heard from one other person who suspects that they are suffering this year but have no information on my site yet about the problem still being around in 2012.

I'd like to add any new cases as a reminder to people to be on the alert - that the problem hasn't gome away - it has slipped from public awareness. If you give your permission I would like to include your case. If you can send me any more information such as yor location and if possible photos that would be great. My email address can be found on my website.

By the way aminopyralid was first only reintroduced in South West of England, Scotland and Northern Ireland although it may now be available elsewhere.

In stacked manure the contamination can last for a very long time and another issue is that animal feed such as hay etc may also date back and have been contaminated earlier.

RAS

We have one shared load of manure that had resulted in three plot holders having potatoes with very curled leaves that looks exactly like the aminopyralid damage we saw in 2008. Other potatoes grown adjecent on ground where the plot holder ran out of manure are un affected.

They are furious.

Another plot holder has another load from the same source but no problem yet. However has only used a very little and this was sandwiched between two layers of earth and mixed in well so it may have degraded more easily.

glallotments

If anyone has information of cases of aminopyralid contamination this year please let me know so I can create an up to date list.

See the reply I posted earlier