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.
Boxplots of relative (A) axial and (B) lateral root numbers, (C) root and (D) shoot dry weight based on mean values (n = 4) of 14 genotypes under moderate (1.45 g cm-3, orange) and high bulk density (1.6 g cm-3, red), expressed as the ratio between genotype mean values under increased and low (1.3 g cm-3) bulk density; dashed line represents low bulk density.
