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.
Effect of Gelrite concentration (3 or 6 g/L) and temperature during the induction and proliferation phases on the number of mature SE/g FW from megagametophyte-derived EMs from three maritime pine families 1007 (A), 1046 (B), and 1058 (C). Data are means ± standard error of at least six replicates. Within each family, values followed by the same letter did not significantly differ according to the Mann–Whitney U-test.
