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. 2020 Nov 19;11:589707. doi: 10.3389/fpls.2020.589707

FIGURE 1.

FIGURE 1

GI positively regulates leaf senescence in Arabidopsis. (A) Photographs showing yellowing of wild-type (Col-0), gi-2, gi-ko, and CsV:GI-GFP leaves at the indicated days after emergence (DAE). The third and fourth rosette leaves were used in this experiment. Scale bar: 1 cm. (B,C) Photochemical efficiency (Fv/Fm) (B) and chlorophyll content (C) of leaves of the indicated genotypes. Data are presented as mean ± standard error of mean (SEM). Six biological replicates were performed. Asterisks indicate significant differences (*p < 0.05, **p < 0.01, ***p < 0.005; Student’s t-test).