An official website of the United States government
Here's how you know
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.
Comparison of morphological and physiological indexes of PT2 and PT4. a Plantlet of PT2 genotype; b plantlet of PT4 genotype; c leaf of PT2; d leaf of PT4; e the leaf length and width of PT2 and PT4; f the chlorophyll content of PT2 and PT4