Figure 2
From: Impact of heterophylly on the sensitivity of Myriophyllum aquaticum biotests
Average specific growth rates regarding root length under atrazine (A) and 2,4-D (B) impacts. Values are expressed as mean values ± standard deviation. Significant difference to SC (atrazine) or C (2,4-D) calculated by Dunnet’s multiple comparison test. Asterisk denotes p < 0.05; double asterisk, p < 0.01; and triple asterisk, p < 0.001. C, control; SC, solvent control.