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The transverse section of corn roots infected with endophytic Fusarium verticillioides. (A) Magnification 40×; (B) magnification 200×. Ep, epidermis; Cp, cortical parenchyma; En, Endodermis; Pc, pericycle; Px, protoxylem; Ph, phloem; Mx, metaxylem; and P, pith. Occluded xylem vessels are marked with asterisks (*).
