Light schedule for autos on late flower

light powers growth.. less light = less development (assuming not too much given relative to environment, of course). Only reduce hours of light if it is displaying symptoms of too much light. autos don't require a hormonal response to extended dark periods.. it will do nothing for an autoflower. photoperiods only go into bloom if the dark period is uninterrupted and long enough (10hours is when most wuold bloom, even though we use 12/12 cycles more often... just safer in case of genetic variation. 13/11 is safe too. But, if you provide "max" DLI relative to your environment and stage of plant life cycle, then it doesn't matter if it i s 12 hours or 13 hours or 18 hours of light while doing it.) Anyway, this causes a feedback loop in the plant to trigger a change to bloom phase... autos simply do it on a biological timer. no extended dark period, no hormonal feedback loop involved, therefore, no effect on an autoflower flowering/ripening. Might lose some insignificant % of yield, though... a short period of time with a little less light can't have a huge effect.