There are a few insects which might be the culprits, generally though,
this is caused by lack of water...

WTW
Herb Gardens Of New Jerusalem
http://www.angelfire.com/ca/wtw


Gert wrote:
Hello,

The last few weeks our blackberries show signs of desease. Some
pictures:

http://zevv.nl/div/img_3032.jpg
http://zevv.nl/div/img_3033.jpg

Does somebody recognize this as a disease, infection, or maybe the
result of extreme temperatures ?

Thank you,