( Plants ( ( are ( ( infected early ) ( in ( ( the ( growing season ) ) ( through ( ( roots and ) ( the ( fungus ( invades ( vascular tissue ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Plants)) (VP (VBP are) (VP (VBN infected) (ADVP (RB early)) (PP (IN in) (NP (NP (DT the) (VBG growing) (NN season)) (PP (IN through) (NP (NP (NNS roots)) (CC and) (NP (DT the) (NN fungus) (NNS invades) (NN vascular) (NN tissue)))))))) (. .)))
Plants are infected early in the growing season through roots and the fungus invades vascular tissue.
(ROOT (S (NP (JJ Vascular) (NN tissue)) (VP (VBD allowed) (NP (DT these) (NNS plants)) (S (VP (TO to) (VP (VB grow) (NP (JJR taller)))))) (. .)))