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What is wrong with my Jumbo blackberries?

Hello. I have a very vigorous cultivated blackberry, which gives me lots of fruit each year. For the past two years, some of the fruit has a white section on it, and I would like to know what causes it, what it is, and whether there is a cure for it. Can any one help me, please?






  • BobTheGardenerBobTheGardener Posts: 11,391

    It's known as 'white drupelet disorder'.  The large berried variety 'Apache' comes up a lot on google searches for this.

    A trowel in the hand is worth a thousand lost under a bush.
  • Thank you Bob the Gardener, I will look it up and see if I can find a solution.

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