My 3 Weeks Old Gorilla Cookie Autos are yellowing. Whats going on? Recently transplanted and Top dressed with 4-4-4 gai green .

My 3 Weeks Old Gorilla Cookie Autos are yellowing. Whats going on? Recently transplanted and Top dressed with 4-4-4 gai green .
 can’t talk to us they can only show us.
Took a second look. Here’s a thought; prune those lower yellows (usually don’t come back), and add soil to that not so full pot.