As the plants grow up the string, lateral branches are removed from leaf axials while the main stem is allowed to continue to grow.
(the plants; grow up; ) (lateral branches; are removed; from leaf axials; T:As the plants grow up the string) (the main stem; is allowed; ) (the main stem; to continue; ) (the main stem; to grow; )
the plants lateral branches the main stem the main stem the main stem
grow up are removed is allowed to continue to grow
from leaf axials T:As the plants grow up the string