A green tree, blighted, to grow again (10)

I believe the answer is:

regenerate

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'grow again' is the definition.
(I've seen this before)

'a green tree blighted' is the wordplay.
'a green tree' anagrams to 'REGENERATE'.
Though, I am not clear how this is indicated.

'to' acts as a link.

Can you help me to learn more?

(Other definitions for regenerate that I've seen before include "Regrow" , "morally reformed" , "promote new growth" , "Restore vigour" , "Grow again" .)

I've seen this clue in The Independent.

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