Scrumby & Shovel, I somewhat both agree & disagree with you guys. Ethylene gas can & does influence plant sex. Not just pot, but also holly & several other plants with seperate sexes. The trick is to introduce them to higher than normal amts BEFORE the photo period induces them to flower (while they're immature). I do this with ripening fruit 3X before flowering, & usually end u having to borrow someone else's pollen. Also as my final project in hort at Uof Delaware in the 70's with holly. I aced it. So I know it works. Is it cost/time efficient on a large scale? Oh hell no! Add to the fact that it sucks up time, it draws BUGS! White fly, various fruit flies, & piss ants. But then you come across that rare person with the analytical mind who wants to know how things work, will this work? Why that DIDN'T work? What would happen if I took this apart & changed things around? This kind of person gets the same kind of thrill (adrenaline rush) running an experiment as most do watching an auto race or riding a rollercoaster. I saw this in Buggy & mentioned the ethylene gas to her while discussing plant sex. Her plants had already declared, & she wanted to play with it & see if she could get one to 'turn'. It was just an experiment for FUN. We'd have missed out on a lot of the things we now have today if not for the people who like to experiment. She has a natural green thumb & is getting things down pretty darned good, & if you've noticed the times I sign off with 'girls just want to have fun', we've usually been discussing theories & experiments. So when you see us swapping off the wall things, just roll your eyes & say, 'Oh god! They're playing again!' After all, we are 'The Great WHAT IF'ERS'! I know you two are old enough to know by now that when us girls get together we just leave you guys scratching your heads, going WTF just happened?!?! Buggy & I just go about that differently than most gals! Roll with it!.....LMAO!!!! ~~~~PEACE!~~~~