Exclamation of surprise affected Dale Ritz's harvest (6,3,7)

I believe the answer is:

starve the lizards

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'exclamation of surprise affected dale ritz's harvest' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'affected dale ritz's harvest' is the wordplay.
'affected' indicates an anagram.
'dale'+'ritzs'+'harvest'='daleritzsharvest'
'daleritzsharvest' with letters rearranged gives 'STARVE THE LIZARDS'.

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I've seen this clue in the Sydney Morning Herald.

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