i scrog,therefore i defoliate,even thou i have not read this entire thread,i have read many many others on this very subject,my take on it is,the leaves are for feeding the root system,the root system is for feeding the plant,once a healthy root system has been established,the need for an over abundance of leaves becomes less important as we induce the flowering process the energy is focused more on the bud sites,the plant too wants to produce large sticky buds to collect as much pollen as possible,with the leaves and lower growth gone the energy(auxins and nutrients) are transfered directly to the bud sites,i know this is a rudementry description of the process,obviously it is abundently more complex,however in practical applications it holds true, in my experience,limited as it may be,i have managed 7lbs of 8 to 10 inch fat buds from 9 plants in a 3x4 scrog,it works hope yours does too well second post out of the way,figured id bury it back here
sorry to be blunt but this is mostly nonsense. no energy at all comes from the roots of the plant - it is all produced by photosynthesis in the leaves (and to a lesser extent in the buds) the roots only provide various elements/minerals and water for the plant to grow itself.
neither auxins or nutrients are energy either. auxins are hormones actually produced in the growing tips and transported down the plant. nutrients arent energy either.
as the root system tires during mid to late flowering, nutrients and sugars/starch(energy) stored in the leaves (if they are still attached to the plant) are relocated and used for growing and ripening the buds.
i scrog too, and i dont remove many leaves at all - i certainly dont defol as prescribed in this thread, and i get great yields (which are documented in my threads)
VG