I don't have any knowledgeable answer, but I would think that the more direct cause would be related to the cannabinoid make-up of the trichome, rather than the color.

It seems like it could have practical applications. Not only could one remove the 'dreaded' munchies, but one could also breed strains which lend themselves for use as medical MJ to get folks past extreme nausea


I'll be interested to see what everyone else has to say