problem with fruit bushes

Questionsproblem with fruit bushes
joe chapman Staff asked 14 years ago

ihave black currant bushes growing in 10 liter containers which i intend planting out in authumn they are now berrys on them some of the leaves have a reddish rough blistery effect mostly near the top of the plant also some yellowing of of leaves lower down also some red and white currents show same effect hope you can help