These vacuolar pigments are seen when the chlorophyll degrades during leaf senescence, at which time nitrogen in the leaf is transported out of the leaf for use or storage elsewhere.
(These vacuolar pigments; are seen; T:when the chlorophyll degrades during leaf senescence) (the chlorophyll; degrades; T:during leaf senescence) (time nitrogen in the leaf; is transported elsewhere; L:leaf senescence)
These vacuolar pigments the chlorophyll time nitrogen in the leaf
are seen degrades is transported elsewhere
T:when the chlorophyll degrades during leaf senescence
T:during leaf senescence
L:leaf senescence