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Pest Management

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Visit the Cornell Berry Diagnostic Tool for assistance in diagnosing problems with currants and gooseberries.

Currant aphids, fourlined plant bug, currant borer, imported currant worm, gooseberry fruitworm, sawflies, leaf spot, white pine blister rust (on susceptible varieties), and powdery mildew are the most common problems that plague currant and gooseberry plantings. All disfigure or damage leaves, and can cause defoliation; except for the currant borer which can weaken and kill canes and gooseberry fruitworm which infests fruit.  Spotted Wing Drosophila may also be a serious pest although the fruiting season is early enough that populations may still be below injurious levels.