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