Bud rot or something else?

[vacuumlungs]

I saw this today and cut it out like a cancer. I’ve been spraying with baking soda/vegetable oil/soap once a week but my humidity is 90%+.

 

[troutman]

Why is the humidity so high?

 

[Chi13]

Black sooty mold.

Budrot appears in buds for starters and looks nothing like that.

 

[vacuumlungs]

Why is the humidity so high?

It’s a greenhouse and it’s been raining.