( ( On ( ( ( ( ( sugar , ) red ) , ) and ) ( other maples ) ) ) ( , ( ( ( large ( , ( irregular ( brownish areas ) ) ) ) ( ( ( between and ) along ) veins ) ) ( ( occur ( with ( symptoms ( similar ( to ( physiological ( leaf scorch ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN On) (NP (NP (NN sugar)) (, ,) (NP (NN red)) (, ,) (CC and) (NP (JJ other) (NNS maples)))) (, ,) (NP (NP (JJ large) (, ,) (JJ irregular) (NN brownish) (NNS areas)) (PP (IN between) (CC and) (IN along) (NP (NNS veins)))) (VP (VBP occur) (PP (IN with) (NP (NP (NNS symptoms)) (ADJP (JJ similar) (PP (TO to) (NP (JJ physiological) (NN leaf) (NN scorch))))))) (. .)))
On sugar, red, and other maples, large, irregular brownish  areas between and along veins occur with symptoms similar to physiological leaf scorch.
(ROOT (S (NP (NNS Leaves)) (VP (VBP export) (NP (NN sugar)) (PP (TO to) (NP (NP (NNS roots)) (CC and) (NP (NP (JJ other) (JJ nonphotosynthetic) (NNS parts)) (PP (IN of) (NP (DT the) (NN plant)))))) (PP (IN through) (NP (DT the) (NNS veins)))) (. .)))