I don't treat it - I pick off the worst affected leaves and keep the soil moist.
Let us know when you're back,. or we'll be sending out a search party armed with machetes
Have a great trip Pdoc - give my love to Gt Dixter
Do go in the house as well as the gardens - it's really worth it
If I know Wonky it'll be served pink in the middle, with roast potatoes, parsnips, Yorkies, horseradish, gravy etc etc etc She doesn't do things by halves doesn't my Wonky
There you are
At a guess I'd say Superstar too, because it's that colour, that shape and is widely planted - but it could be one of very many, some of which can be found on this site http://www.classicroses.co.uk/
Can't see very well from this distance but could be Pyrus salicifolia.
Sounds like one of the ox-heart varieties to me.
Depending on the size - I'd probably pot it on next spring and again later in the summer as it grows, and then plant it out in spring 2017 - just so that it gets additional tlc while it's small.