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. 2017 Sep 1;8:1520. doi: 10.3389/fpls.2017.01520

Figure 5.

Figure 5

Relative expression levels of a target gene, HcPDIL5-2a, at tetrad, monokaryotic and dual-core stage in lines 722A and 722B using different normalization strategies. NF0: the least stable reference gene, TUA; NF1-1: the most stable reference gene, TUB; NF1-2: the most stable two reference gene, TUB and CYP; NF1-3: the most stable three reference gene, TUB, CYP, and PEPKR1; The error bars represent standard deviations of three biological replicates. Significantly up-regulated with respect to control was shown by **P < 0.01, and significantly down-regulated was shown ##P < 0.01.