Hey there Alien, you're right to LST, it's basically the only way to get a lot more yield. The only issue with autos is, they "get stiff" really quickly, like around week 3 week 4 , so if you go for LST go for it sooner rather than later. For their growth rate, what i can tell you is that growth rate is only determined by the vapor pressure deficit (vpd) and at your ttemperature you should be around 30% for optimal growth rate. Learn more about VPD here : http://pulsegrow.com/vpd LST wont stun them but if you do it too late the flower nodes end up growing all fucked up. hope this helps ! 🚀