On 24/06/2017 12:51, Al-T wrote:

Could anyone kindly tell me what might be happening to the leaves on my plum tree? 99% of the leaves are perforated and some are yellowing. Here is a photo:

http://tinyurl.com/yb89oz2n

Not conclusive but it looks like bacterial spot infection to me.

http://extension.psu.edu/plants/tree...bacterial-spot

The soil is fairly clayey and alkaline. I lightky dug in some bone meal early this spring.

Many thanks for any insights.
Al



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Regards,
Martin Brown