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. 2015 Aug 14;4(3):573–605. doi: 10.3390/plants4030573

Figure 2.

Figure 2

Energy-source metabolites in wild-type (Wt) and SO RNA interference mutants (Ri) plants grown under normal growth conditions (0 day) and after being exposed to eleven days of dark stress (11 day). Top leaves of WT and Ri tomato plants were used to determine total carbon levels (a). Relative carbohydrate, sugars sucrose (b); fructose (c); sugar alcohols; sorbitol (d) and myoinositol (e) contents were also determined. The bars represent the average values ± SE (n = 3–8). Values denoted with different letters are significantly different according to the Turkey-Kramer HSD test (JMP 8.0 software, [37]; p < 0.05). Different lower case letters indicate differences between the SO mutants and wild-type plants under the same treatment. Different upper case letters indicate significant differences within the plant genotypes in response to treatment. The data for the SO-compromised plants represent the mean for SO Ri 131 and SO Ri 421 mutants.