Fig. 1.
Glasshouse photoperiod and degree day (>Tb10°C) control in Experiment 1 (A) and Experiment 2 (B) at Aberystwyth, Wales.
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.