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. 2021 May 31;10(6):1113. doi: 10.3390/plants10061113

Figure 3.

Figure 3

Transcript levels of auxin-related genes (SiPin6, Silax4, and SiArf4) in tomato plants (cv. Belladonna) after treatment with Bacillus subtilis MBI 600. Expression levels were analyzed by qRT-PCR at 24, 48, and 96 h post-application compared to untreated plants. The cDNA samples were normalized using the endogenous cox gene. Different letters on the columns indicate significant differences at the three time points according to Tukey’s test at p = 0.05.