is it too late for LST, Topping or Mainlining?

46 days (>6 weeks) since the day I started germinating seeds

7 plants in a 3x3x6 tent. I will not keep every plant as I don't know which ones are male or female yet.

Is it too late for LST, Topping or Mainlining this crop or can I still do that? Which method should I use?


https://imgur.com/a/F1dBqHH

Not too late for any of those options. Top them and lst.