Spray for rust with sulphur

At 95% leaf fall one of the plums is showing rust spots.


Okay, two things to do. One is to clear all the leaf litter from underneath. Done. Second thing, spray with a fungicide.


Here's the rub. The normal compound - copper based - will kill all the earthworms that will probably be close to the surface on that freshly exposed soil.

So I'll use good old fashioned wettable sulphur which is not as harsh as it might sound. In fact sulphur is considered to be ok for commercial organic production. And leftover spray is worth getting over the nearly empty grapevines too, given that it's good for powder mildew which tends to come on in the late season.

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