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. 2021 Feb 16;12:625890. doi: 10.3389/fpls.2021.625890

FIGURE 1.

FIGURE 1

Overexpression of MdTyDc confers enhanced alkaline tolerance to apple. (A) The expression of MdTyDc after alkaline treatment in GL-3 apple; (B) qRT–PCR analysis of MdTyDc transcripts in lines WT, OE-2, OE-3, and OE-5; (C) the phenotype and dopamine content of MdTyDc-overexpressing apple plants in (D) leaves and (E) roots after 15 days under control and alkaline conditions. The data are presented as means ± SD (n = 3). Significant differences between WT and MdTyDc overexpression lines are indicated by different lowercase letters based on Tukey’s multi-range test (P < 0.05). WT, wild type. OE-2, MdTyDc overexpression line 2. OE-3, MdTyDc overexpression line 3. OE-5, MdTyDc overexpression line 5.