Four plant growth characteristics of the four plant types–transgenic <i>B. napus</i> (GT), transgenic F1 (trF1), non-transgenic F1 (ntrF1) and wild <i>B. juncea</i> (wild)–at high density (black bar) and low density (white bar) in the multi-culture experiment.

<p>Different letters indicate significantly different values, evaluated using Tukey's HSD test at P<0.05.