Figure 7From: A high-throughput seed germination assay for root parasitic plantsRoot exudates activity of two Brassica napus elite lines on P. ramosa seed germination. Negative control, H20; synthetic stimulant, GR24 3 nmol L-1 (means ± confidence intervals, α = 0.05, n = 6). Bars with asterisk are significantly different from the negative control (Holm-Sidak method, P < 0.05).Back to article page