Zone Auckland, NZ | Anonymous added on April 23, 2017 | Answered
We have a plum tree which is about 5yr every year the fruit has a mottly coloured circle on fruit.
Would you be able to help identify this problem and offer advice.
Answered on April 25, 2017
This would appear to be Brown Rot on your plums.
Here is more information on this issue and how to treat.
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