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. 2015 Feb 6;10(2):e0117569. doi: 10.1371/journal.pone.0117569

Fig 3. Determination of the optimal number of reference genes.

Fig 3

Pairwise variation (Vn/n +1) analysis between the normalization factors (NFn and NFn +1) was performed by using the geNorm program in all samples MeJA, methyl jasmonate; SA, salicylic acid; GA, gibberellin; and ABA, abscisic acid. The abiotic stress group included heat, cold, drought, and salt treatments. The hormone stimuli group include SA, GA, ABA, and MeJA. The total group included all samples.