No good turning to doctor to transform rainforest disorder (6)
I believe the answer is:
jumble
'disorder' is the definition.
(jumble is a kind of disorder)
'no good turning to doctor to transform rainforest' is the wordplay.
I cannot really see how this works, but
'doctor' could be 'mb' (Bachelor of Medicine, Medicinae Baccalaureus) and 'mb' is present in the answer.
This explanation may well be incorrect...
(Other definitions for jumble that I've seen before include "disorder" , "Hodgepodge" , "Untidy mess" , "Mix up; items for sale" , "Confused mixture (in a sale?)" .)