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.
Correlations of the kernel numbers of the apical (A), middle (B), and basal (C) sections of maize spikes and maize grain yield (D) with pollen viability at the tasseling (VT) stage in the field. The percentage of pollen viability was determined as the ratio of the number of energetic pollens to the total pollens number. ***P < 0.001 and ** P < 0.01. ns, not significant.
