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Fig. 3 | BMC Plant Biology

Fig. 3

From: The stereoisomeric Bacillus subtilis HN09 metabolite 3,4-dihydroxy-3-methyl-2-pentanone induces disease resistance in Arabidopsis via different signalling pathways

Fig. 3

B16 and B17 induced resistance to P. syringae DC3000 in A. thaliana. Four-week-old A. thaliana plants were treated with B16, B17, Mix, 100 μΜ BTH, and 10 mM MgSO4. After 24 h, leaves were injected with a cell suspension of DC3000 at OD600 = 0.001 (a) Representative plants of the B16, B17, Mix, BTH, MgSO4 and water treatments were photographed 5 days post inoculation (dpi), with BTH as a positive control, and MgSO4 and water as a negative control. (b) Colony density of DC3000 in the leaves of A. thaliana plants from different treatments. Values are the average CFU per gram of leaf, each treatment had 9 plants, and 3 leaves per plant were obtained for quantification of DC3000 density. Different letters indicate statistically significant differences between treatments (least significant difference test; P < 0.05)

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