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.
(A–B) The appearance of primary nodes on the calli, (C) newly developed leaf formation, (D) Callus regeneration with the emergence of new shoots, (E–F) shoot proliferation.
