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. 2018 Feb 22;9:90. doi: 10.3389/fpls.2018.00090

FIGURE 1.

FIGURE 1

Disease suppression of rub-inoculated viruses by drench application of 2,3-butanediol (2,3-BDO). (A) Disease symptoms caused by rub-inoculated Cucumber mosaic virus (CMV) were evaluated 2 weeks post-inoculation, and the induction of resistance against Tobacco mosaic virus (TMV) by 2,3-BDO was validated in the greenhouse. (B) Validation of the induction of resistance against CMV and TMV by treatment with three concentrations of 2,3-BDO in the greenhouse. Expression of viral-specific genes was measured 2 weeks after treatment of pepper plants with 1, 5, and 10 mM 2,3-BDO, 1 mM benzothiadiazole (BTH), and water. Bars represent mean ± SEM (n = 10). The housekeeping gene CaUBQ was used as a reference in qPCR.