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.
Male gametophyte development in wild-type and ASKβ antisense transgenic lines. Male gametophytes were stained with modified Alexander’s stain (Peterson et al., 2010). Tetrad, uninucleate, bicellular, tricellular and mature indicate the different stages of pollen development. Bar = 20 μm.
