I have had the seedling shown below, code name "K147-2", for the last 5 years, and so far I have had very little luck in moving it forward in breeding anything worthwhile. It is my cleanest Hybrid Tea type seedling with regard to powdery mildew, black spot, and downy mildew. In our Bakersfield climate it doesn't appear to get any disease whatsoever.
It is from a cross of 'Gemini' X 'First Impression'. Someday I hope to match it with the right mate.