Oh! Frank - I am so sorry! I am a bit bummed about my few. So far, no trace of RRD on my climbing roses.
I decided to try to save the two I think are infected by cutting off the infected branches. I wonder if a Bayer systemic treatment would work to kill the mites. I will destroy these two plants, but I am going to try a last ditch effort to save them. One is a Kordes rose. The other is my favorite (Cinco de Mayo). Makes me sick.
I can't even imagine losing 20 - 50 rose bushes. That is enough to make me never grow roses again. What a shame!
