Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Transverse section of corn stem infected with endophytic Penicillium citrinum. (A) Magnification 200×; (B) magnification 400×. Ep, epidermis; Cp, cortical parenchyma; Sc, sclerenchyma; Ph, phloem; Mx, metaxylem; Px, protoxylem; and Bs, bundle sheath.
