Is there a list of present Cattleya(Rlc etc) varieties and clones that we know are Tetraploid.I have used Colchicine with Phalaenopsis but it seems more difficult in Cattleya - possibly best on seeds or early protocorms.
It would help if we knew if any of the present exhibition varieties are Tetraploid other than the few that are often species sold by HR in Hawaii.