If it was because of the rot, then why is so gradual and uniform. There is plently of new clusters forming under the yellow. Its not as if it went all yellow in a day, its been going on for a week or so.
Also, aside from the yellow the plant looks fine, its has good turgor and is taking up water in decent amounts, although not as much as her sisters.
I agree though, it is suffering along, but will produce some weight, jsut not as much.
The mold is under control today, we kept them under the eve out of the rain. I dont think she'll make it if the trunk gets soaked, those spores are virulent.