Asulam, a herbicide marketed under the name of Asulox, has been used for
bracken spraying for forty years. Last summer I saw a helicopter spraying in the
Vale of Ffestiniog and my gut reaction was surely this must be bad for
wildlife? But having looked into it, I’m not so sure. I have been told that it
is highly specific to bracken (and other ferns) causing no damage to insects.
It has also been used by organisations such as the RSPB and the National Trust.
Its use after December 2012 was banned by the EU with no replacement
product likely until 2016. Without Asulam, and the use of aerial spraying, it
is expected that large areas of the Welsh uplands will be lost to bracken at
the rate of about 1,000 hectares a year. The decision was made in Brussels
but do the UK government and the various conservation bodies agree with it?
Apparently not and the UK Chemical Regulations Directorate has given
emergency authorisation for its use this summer and will do so for future years
until the replacement product becomes available.
For in depth coverage of
this issue there is a very informative site run by the Bracken Control Group
which as you would expect has been campaigning for the use of Asulam.
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