We did not read the question correctly its autoflower and regular photoperiod this is slightly different because of yield but basicly it also Will flower but the autoflower graft(if it is auto) Will have significant less yield because auto’s need more lighthoures a day to flower instead of photo’s they need the dark period to make flowers you should read up on the subject of lightintensity in order for flowers to develop in the night stage of photoperiods
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