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.
Light microscopy images of the male gametophyte development in apricot (Prunus armeniaca) flower buds. Two early-flowering cultivars, “Aurora” (a–f) and “Goldrich” (g–l) and two late-flowering cultivars, “Stella” (m–r) and “Zard” (s–x) were sampled in 2016 from January to March. Scale bars correspond to 20 μm.
