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. 2009 Oct;4(10):948–953. doi: 10.4161/psb.4.10.9709

Figure 1.

Figure 1

An increase in plant growth with sustained Bacillus subtilis (GB03) exposure (black bar) compared with GB03 withdrawn (WD, grey bar) at week two and water-treated controls (white bar) as determined by fresh weight, dry weight and rosette leave number. Inset shows representative images of plant growth with specific treatments indicated on the x-axis for plant at two and three weeks old. Fresh weight [A], dry weight [B], and rosette leave number [C] for two-week old plants continuous exposed to GB03 volatiles (n = 39) or water controls (n = 25). Fresh weight [D], dry weight [E] and rosette leave number [F] for three-week old plants continuous exposed to GB03 volatiles (n = 28), GB03 withdrawn at week two (n = 15) and water controls (n = 25). Different letters indicate significant differences between treatments (ANOVA, p ≤ 0.05).