Orangeries falling into disrepair? Shake up needed! (10)

I believe the answer is:

reorganise

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'disrepair? shake up needed' is the definition.
I can't judge whether this definition defines the answer.

'orangeries falling' is the wordplay.
'orangeries' anagrams to 'REORGANISE'.
However, I am unsure how this is indicated.

'into' acts as a link.

Can you help me to learn more?

I've seen this clue in The Telegraph.

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