( They ( ( ( ( ( ( ( ( ( ( are ( found ( in ( ( ( ( most foliar ) tissue ) , ) ( including ( the leaves ) ) ) ) ) ) , ) stems ) , ) buds ) , ) and ) crowns ) , ) ( making ( it ( difficult ( to ( ( ( control ( the disease ) ) ( on ( ( the plant ) itself ) ) ) ( once ( it ( has ( been infected ) ) ) ) ) ) ) ) ) ) )
(ROOT (S (NP (PRP They)) (VP (VP (VBP are) (VP (VBN found) (PP (IN in) (NP (NP (ADJP (RBS most) (JJ foliar)) (NN tissue)) (, ,) (PP (VBG including) (NP (DT the) (NNS leaves))))))) (, ,) (VP (VBZ stems)) (, ,) (VP (VBZ buds)) (, ,) (CC and) (VP (VBZ crowns)) (, ,) (S (VP (VBG making) (S (NP (PRP it)) (ADJP (JJ difficult) (S (VP (TO to) (VP (VB control) (NP (DT the) (NN disease)) (PP (IN on) (NP (NP (DT the) (NN plant)) (ADVP (PRP itself)))) (SBAR (IN once) (S (NP (PRP it)) (VP (VBZ has) (VP (VBN been) (VP (VBN infected))))))))))))))))
They are found in most foliar tissue, including the leaves, stems, buds, and crowns, making it difficult to control the disease on the plant itself once it has been infected
(ROOT (S (NP (NN Ground) (NN tissue)) (VP (VBZ makes) (PRT (RP up)) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NN inside)) (PP (IN of) (NP (DT a) (NN plant))))))) (. .)))