I am going to try this with a very small plant to get a few seeds, thanks for the idea. I have never force hermied a plant before but I referenced this,
http://www.thctalk.com/cannabis-forum/showthread.php?9192-fem-seeds, and it suggested 6/6/6/6 light cycle. Does that sound accurate?
Never tried it, but that seems plausible. Other lighting stress regimens might work too (if not better, see below).
Most breeders use colloidal silver to chemically stress plants and cause male flower development. That's probably your best single bet.
If you don't want to use chemicals, one way to get herm flowers is to let a plant go past its usual harvest by several weeks; that often induces a few "bananas" which you'll then have to let mature, collect pollen from, and use them to fertilize a SECOND clone which you then take to maturity to get ceeds. If you have the ability to do so, decreasing hours of light (say to 10-14, then 9-15) may help this response.
I made a young female plant go herm by putting it directly from veg into total darkness for three full days, then going to 12-12. The plant "freaked out," made a few male flowers, then went back to "normal" female flowering. Best of all, along the way the plant open-pollinated itself and since it did so at the beginning of flower, by the end of a normal cycle I had mature ceeds. Since the plant only made a few male flowers (which released pollen then died before most of the female flowers were formed), I only got a small number of ceeds at the bottom flowers, and the other 90%+ of the plant was unseeded.
Can't guarantee this will work for you, but its easy enough to try with a clone.
as for tissue culture for home.... its feasible, just takes a little dedication, and not that expensive of a hobby either, you just have to know what you need.
Its certainly possible to do tissue culture at home, but there are equipment, setup, and learning curve issues, and again, I'd suggest its simply not worth it for someone who just wants to grow a few plants, let alone maintain one plant. Making/storing ceeds is less complicated and conceptually easier.