ideas as to why the mother hasnt hermed after 22 days in flower but the clones did??

Not sure why the clones I took and put in flower went herm after a few days but this plant is a flower monster with no sign of herm after 22 days. Any ideas?

stress. are they in the same chamber.

No the clones were killed soon after they sprayed pollen everywhere. But, this plant is in the chamber the clones were in about two months ago. I put this plant through so much, but it's clones hermed and not her.. the clones were pretty well taken care of in my opinion.

interesting, was this mother grown from seed? or was it a clone from another mother plant?
the only thing that occurs to me is the increased time of vegging some how made the parent plant more stable