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. 2019 May 23;19:215. doi: 10.1186/s12870-019-1837-4

Fig. 4.

Fig. 4

Diel fluctuations of soluble sugars (a-f) between plants subjected to a 12 h/12 h and 08 h/16 h light regimes. Each point represents the mean ± SD (n = 3). Daytime (white) and night (light grey). Student’s t-test was performed for comparisons of means within each time point, where the significant levels were determined as * P < 0.05; ** P < 0.01; *** P < 0.001