at week six theres not alot you can do. Organic might be your best bet. When i was dealing with it that late, i simply clipped the affected leaves. Keep a close eye on mold too. Someone with more experience on the issue may chime in.
at this point, not much
you can try fighting it back by changing the ph on the leafs, or you can also clean it off by spraying with some watered down hydrogen peroxide (ozzy gave me that tip a while back, helped get a few plants to finish)
seems weird spraying molded plants with water. i worried about budrot, but it never happened.
greencure can apparently be used till harvest, but i don't have a lot of experience with it myself to say it can or can't
such a PITA, i hope this is your only encounter with it. i completely tore down and restarted after fighting it for a few crops.
I have had it a few times . Try to dry things u if u can fresh air circulation etc. Spray everything with high ph water like 9ph. Helps to stop it from spreading but won't harm the buds. Clip leaves also helps. Other than not much else.