hope this helps if you catch it early, hit it with rubbing alchaol (sp) If it totaly covers the stem everything above is shot. If only half the stem is molded hit it with alchaol every second day. It can be stopped in its tracks,
Now look into the center of your biggest tops. Your next war I bet will be with bud rot. Get your [COLOR=#009900 !important]humidity[/COLOR] down below 50% asap. If you see little mold spots, bust out the alchaol again. Welcome to the mold wars.