Much of the time leaves are the source of sugars produced in photosynthesis and other plant structures, roots, flowers or fruits are the sinks.
(Much of the time leaves; are; the source of sugars) (sugars; produced; L:in photosynthesis and other plant structures, roots, flowers or fruits) (the time leaves; are the source of; sugars)
Much of the time leaves sugars the time leaves
are produced are the source of
the source of sugars
L:in photosynthesis and other plant structures, roots, flowers or fruits
sugars