Old pale green plastic provides covering for fruit (6,4)
I believe the answer is:
orange peel
'covering for fruit' is the definition.
The definition and answer can be both plants as well as being singular nouns.
Perhaps there's an association between them I don't understand?
'old pale green plastic' is the wordplay.
'old' becomes 'o' (abbreviation as in OT - Old Testament).
'plastic' is an anagram indicator (plastic can mean easily moulded).
'pale'+'green'='palegreen'
'palegreen' with letters rearranged gives 'rangepeel'.
'o'+'rangepeel'='ORANGE-PEEL'
'provides' acts as a link.
Can you help me to learn more?
(Other definitions for orange peel that I've seen before include "Rind often candied" , "Pithy stuff" , "Bit of fruit" .)