Crossword Genius

Doctor right about fungal disease (3,3)

Ross

I believe the answer is:

dry rot

I'm a little stuck... Click here to teach me more about this clue!

'fungal disease' is the definition.
'dry rot' can be an answer for 'disease' (dry rot is a kind of health problem). I'm not sure about the 'fungal' bit.

'doctor right about' is the wordplay.
'doctor' becomes 'dr' (synonyms).
'right' becomes 'tory' (I've seen this before).
'about' is a reversal indicator.
'tory' reversed gives 'yrot'.
'dr'+'yrot'='DRY-ROT'

Can you help me to learn more?

(Other definitions for dry rot that I've seen before include "Fungus attacking wood" , "fungal infection" , "Degeneration" , "Wood-destroying fungus" , "housing problem?" .)

I've seen this clue in The Hindu.
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