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anton wrote:
wrote in message
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[snip]

The issue is silver leaf disease but there's no agreement on when to
prune to avoid it. Some sites say don't prune in winter, prune in
May, however other sites say almost the opposite. I found one site
that said "To avoid silver leaf disease, prune young trees in winter,
mid-December is a good time. For older trees, avoid pruning in May and
September to October." (What's 'young' and 'old'?)

It's:-

http://www.gardenaction.co.uk/fruit_...ch_2d_plum.asp

(watch for wrapping, if you don't use Mozilla/Firefox)

It specifically refers to silver leaf disease but gives the months I
referred to above.


I've emailed them to ask who their plum expert is.

--
Anton