Quote Originally Posted by Mustelid
It is my understanding that gibberellic acid is used to induce male flowers on a female plant.
Depends on the dilution rates prior to application. Use a weaker solution...it's a growth hormone aiding in internode stretch. Use a stronger solution and you stress her to hermaphrodism. Either way, I wouldn't want to smoke the results. Nor would I want to risk any adverse reactions in my family or friends.

Quote Originally Posted by Mustelid
Colchicine is a gout medication that purportedly can induce polyploidiy in plants, the advantage of polyloid marijuana being that the double female chromisome will make superbud.
Would like to see some data on that.
Also, IMHO, touting the use of these products on a medical cannabis site is unethical, as nobody knows the results of smoking the residue contained within the plant.
Wanna risk killing someone suffering from AIDS, cancer or hep-c...? Just have 'em smoke some steroids or hormones, or other toxic compounds that you have no clue about, but freely tout as effective.

If you are a medical grower, think hard before subjecting yourself to the unknown drug interractions, and the possible assault these unknown compounds will have on your current treatments the doctor has you on.

Acetylsalicylic acid (aspirin) or light poisoning are the only methods I would ever consider endorsing.

Time and experience will make your buds grow better and safer than any steroidal or hormonal additive.