Victoria Plum Tree Disease

Good afternoon,

Firstly apologies if this is not the correct place to post this enquiry but I am a new member and have checked as many previous posts as possible.

I am an allotment holder of two years and the allotment has an old Victoria Plum tree on it. The fruit last year was poor with many plums turning brown and rotting on the tree.

I pruned the tree and this years fruit is far more abundant than last years however 90% of the new fruit has marks on it.

I have attached two photo to highlight problem:





Firstly what is the problem and secondly what action do I need to take. Should I dfig it out and buy a new tree?

Looking forward to anybody's help on this one.
Many thanks,
Simon.

 

Is there a stone in the affected fruit. After Googling I came across Plum Pocket disease. I have Victoria plums and have no hands on knowledge of this problem. May be a fungal thing and spread by air.

 

Thanks for the reply. Yes there is a stone forming in the fruit.
Think it may be Plum Brown Spot fungal infection but not sure. Didn’t want to destroy a mature tree if there was another way of dealing with it.