I got that same cotton like thing on afew of my leaves too .Yeah only on the new growth. Some weeks ago I had son herbicides. Seen some white shits was under the leaves (looked like cotton or something like that).
You took any actions ?I got that same cotton like thing on afew of my leaves too .
I opened them up and some were spiders then there was those little fucking green catapillar aliens !
look into a phosphorus def, since you are beginning to start to flower, your plant may be needing more than what she's got, but from what I know and have experienced that looks like a phosphorus def. yellow fading around the viens, and rusty blotches. did it start with small rust spots and minimal fading and gradually get worse? also make sure the def is due to lack of feeding and not a ph problem, feeding your girls isn't gonna help if the problems related to ph lockout