( ( ( A decrease ) ( in ( ( roots ( ( production and ) burns ) ) ( to ( leaf tips ) ) ) ) ) ( ( cause ( ( the plant ) ( to ( go ( into shock ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN decrease)) (PP (IN in) (NP (NP (NNS roots) (NX (NX (NN production)) (CC and) (NX (NNS burns)))) (PP (TO to) (NP (NN leaf) (NNS tips)))))) (VP (VBP cause) (S (NP (DT the) (NN plant)) (VP (TO to) (VP (VB go) (PP (IN into) (NP (NN shock))))))) (. .)))
A decrease in roots production and burns to leaf tips cause the plant to go into shock.
(ROOT (S (NP (JJ Young) (NNS roots) (CC and) (NNS leaves)) (VP (VBP are) (NP (NP (DT the) (JJ major) (NNS sites)) (PP (IN of) (NP (NN gibberellin) (NN production))))) (. .)))