Key to the hybridizers of each variety:

 

(FK) FRANKEN,  (D) DIBLEYS,  (AT) ANNABEL THOMAS,  (X) UNKNOWN,  (BG) BRIAN GRIEVE, 

(DM) DALE MARTENS,  (KJ) KEN JONES,  (TH) TRISH HEATH,  (RC) RON CLARKE,  (KW) KIM WILLIAMS,  (A) AMERICAN,  (PP) PETER PINCHES.