If you have a zinc or boron problem, and you are using cannabis specific nutrients and/or soil, the odds are overwhelmingly likely that you are not actually deficient and either of these. If the plant is not uptaking them, way more likely to be a pH or environmental issue. True deficiencies in those secondary and tertiary micro nutrients are exceedingly rare and almost always caused by an availability issue. Even ca deficiencies are pretty rare for as often as folks on here tell people to add
calmag. I would stick with good solid watering and lighting practices and see if she doesn’t grow out of it. If it doesn’t resolve, I would probably slurry test the soil and see what you have going on through root zone.