Potatoes (5)
(Other definitions for russet that I've seen before include "Autumnal reddish-brown colour" , "Surest type of colour" , "Dessert apple" , "Brownish-red apple" , "Brown; apple variety" .)
'potatoes' is the definition.
('tater' can be a synonym of 'potato')
This is all the clue.
(Other definitions for taters that I've seen before include "starchy tubers" , "Potatoes (dialect)" .)
'potatoes' is the definition.
(spud can informally mean potato)
This is the entire clue.
(Other definitions for spuds that I've seen before include "Potatoes (informal)" , "Potatoes (colloq.)" .)