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. 2014 Aug 28;5:433. doi: 10.3389/fpls.2014.00433

FIGURE 8.

FIGURE 8

Epistasis analysis of ETR1 and the phytochromes (phy), PHYA and PHYB after light treatment. (A) Seeds were treated with white light for 3 h, followed by either 4 h of white or far-red light as shown. The percent of seed germination was then determined 7 days later. The average ± SD from at least three biological replicates is plotted. ND denotes no germination detected. (B) Seeds were treated with white light for 24 h followed by continuous illumination with red or far-red light for 6 days as shown. The lengths of the hypocotyls were then measured. The average ± SD is plotted. In both panels, the data were analyzed by t-tests and differences considered statistically significant with P < 0.05. aStatistical difference from wild-type in that light condition; bSignificant difference of the single mutant from the double.