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. 2011 Oct 25;23(10):3842–3852. doi: 10.1105/tpc.111.089003

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© 2011 American Society of Plant Biologists. All rights reserved.

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Figure 1. — UV-C–Irradiated Plants Trigger an Increase in HRF in Bystander Plants.

(A) UV-C causes increased HRF in both irradiated and naive bystander Arabidopsis plants (BS) exposed to volatiles produced by UV-C–irradiated plants (UV). Bars show average HRF ± sd of three biological repeats, each one consisting of three pots containing 12 to 20 plants. Asterisks indicate a significant difference from control (ct) nonirradiated plants (P < 0.05).

(B) UV-C–irradiated Arabidopsis (At_UV) triggers increased HRF in tobacco naive bystander plants (Nt_BS), whereas UV-C–irradiated tobacco (Nt_UV) triggers increased HRF in naive Arabidopsis plants (At_BS). Bars show average HRF ± sd of three biological repeats, each one consisting of three pots containing 12 to 20 plants. Asterisks indicate significant difference compared with control nonirradiated Arabidopsis (At_ct) or control tobacco (Nt_ct) plants (P < 0.05).