[Tom Hill]

I have a Blackberry, Helen.
For three years now it has appeared healthy in spring. Smothered in Blossom which pollinates and produces masses of red berries.  A few turn black but the majority of the fruit and leaves around it shrivel, turn brown, and drop off.  The plant itself then greens up and sends up fresh shoots.

[Yorkie]

There isn't anyone spraying in nearby areas at this time of year, is there?