This abscission layer slows the transport of water and carbohydrates, slowing the manufacture of chlorophyll in the leaf, which allows other pigments to show through.
(the leaf; allows; other pigments to show through) Context(the leaf allows,List([112, 134))):(other pigments; to show through; )
the leaf allows,List([112, 134))
the leaf other pigments
allows to show through
other pigments to show through