posted 11 years ago
Rose rosette disease is a virus transmitted by mites that travel on the wind. When a rose bush has the disease it is systemic. It can not be pruned out as far as I understand, because the disease is inside the whole plant by the time symptoms appear. I'm not really sure what you could do, I have heard of people destroying diseased plants, but if it's in the area it seems like they will all eventually get it. So far no resistant roses have been discovered, but I believe it's only a matter of time.
One thing I have noticed on the roses that have died on our property is that after I remove them, I have this wonderful patch of rich bare soil, perfect for planting in.
I wish you the best of luck as things seem to be changing fast. Multiflora only became invasive in the 40's and it is already being threatened, it's really amazing watching the swings.
Twisted Tree Farm and Nursery
www.twisted-tree.net