Check out my real thread brother name is in my signature. Sorry I didn't link it but press on my name and it's there you'll definitely wanna sub it's perpetual harvest brudda
) but they are not pre flowers and male plants have them too. The preflowers will be much shorter and kinda spear shaped before they develop.
No what i did was have them under intense light hps/led and then moved them under cfl and dropped temps down to 60 lights on for 2 days then i usually see pre flowers by making them think fall is coming, but maintained 18/6 lights
I'll snap a couple pics shortly I am cloning both of the WW I have so I'll mark them and keep the better geneticsLooks like you need a few more days of growth to sex that plant. Pistols will start popping out if it's a girl. At the moment it looks like you have a good chance of being female. The single calyx growth next to the stipulas is a good sign for a female but isn't always accurate. The males I've had experience with had what looked like multuple calyxs of growth under each side of the node I was sexing.
My advice: give it a little more time (a week or less), you'll find out very soon. Hope that helps.
I Knew somebody would save me from looking stupid.. 
