I'm thinking it's more over less. Seeing red stems and red hairs in buds that look 3-4 weeks in. Sent from my SM-G892A using Tapatalk
Nitrogen burn. Leaves curling downward and very dark green leaves. The necrotic spots say this was a long time coming. It didn't just appear. Unless you were away from home for a couple months.
There are so many other variables to consider before throwing random guesses in there. Could be N toxicity. Looks a little dark green. And the clawing. could see cal mag def. But is it a lack of or to much of something else causing lockout? Could it be a Ph issue? Could it be to much P causing calcium lockout? So much to account for.