Does watts are important in this phase?

For example,if i have one 250w hps for veg,one plant under this light will grow more slow then if i have one 400w hps? and less bushy?
Medicatetoday Reviewed by Medicatetoday on . Wattage Vegetative Stage Does watts are important in this phase? For example,if i have one 250w hps for veg,one plant under this light will grow more slow then if i have one 400w hps? and less bushy? ;) Rating: 5