That happens to everyone at some point. I've done it a few times, and the next morning, my cuttings in the cloner were all wilted with most lying almost completely flat. I plugged the cloner back in and a few hours later they all stood up straight again. Love aerocloners. As for your PM, the best thing I've found is Spectracide's Immunox multi-purpose fungicide -
Immunox link
It is cheap and very effective, and a bottle lasts for years. Plants don't seem to mind it at all unless you overdose. It is systemic, too. I use it on my moms because they are packed into such a small space and they're all touching. It thwarts all types of fungi, I recommend it...