The best way to create these mutations is to interplant your plants with "CROCUS " these plants are high in colchicine and may do the trick . Carol Deppes books will show you how to get colchicine It may require permits and this stuff is very dangerous .

Colchicine is often prescribed by your doctor if you have gout...(just sayin ;)

Colchicine is produced by Colchicums, sometimes incorrectly called Autumn Crocuses. It is also produced by Royal lilies.

Colchicine (Acetyltrimethylcolchicinic acid, Autumn Crocus, Royal Lily)

[New Scientist article:]
http://www.newscientist.com/article/mg12917545.300-review-croaking-on-a-crocus-.html

From the Autumn crocus (Colchicum Autumnale) / royal lily (Gloriosa Superba).

One flower of CA is about 2 mg
20g tuber of GS provides 60mg,
single seed of CA provides 3.5mg

Karl

Here is a link that might be useful: CybeRose & Bulbs