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.
Content of endogenous bioactive cytokinins (trans-zeatin, isopentenyladenine, and their corresponding ribosides and dihydrozeatin) in leaves and roots of wild-type (WT) and CKX1 transgenic tobacco plants. Details for designation of individual variants are as described in Fig. 1. Different letters indicate statistically different values.
