It's fall catipilars and bud rot aka fungus

Im moving the girls in the garage when it rains all the fungicide sprays and I hate herbacides and insectasides. No natural chemical bs only use when I have to anyway any easy ways you combat it?

I blow air directly towards the buds that are susceptible, it seems like two things generally cause rot and the bigger and denser the buds the more likely it is to happen, dead leaf material hiding inside a very dense bud, or water/condensation building up inside the dense bud. Air and sufficient circulation seems to help for me.