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.
Singular and hypothetical S-genotypes for Sikitita and its parents (Picual as pollen recipient × Arbequina as pollen donor) that could only explain the backcross failure between Sikitita and its father Arbequina in a gametophytic self-incompatibility system.
