rootrot

I received this Ficus about 4 months ago from brussel's bonsai. I noticed the trunk started looking brown/wet over the last 2 months. Any ideas what I should do or if this is normal? Thanks!

I’ve purchased this Chinese Elm about a week ago, and I noticed some of the leaves had some black spots on it. I thought, okay, I need to cut them right away and I need to get a fungicide, but it took me a week to even try to find the best fungicide for my bonsai. I have found that emulsifying...