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. 2018 Dec 19;9:1892. doi: 10.3389/fpls.2018.01892

FIGURE 5.

FIGURE 5

Under Cd stress, B. napus (814) showed stronger tolerance after adding exogenous ABA. (a) Photograph showing higher tolerance of the treatment with 5 μM exogenous ABA and 10 μM Cd (A+C) as compared with 10 μM Cd treatment. The leaves from left to right are cotyledons, the first new leaf and the second new leaf. (b) Root proline concentration in different treatments. (c) The SPAD of and new leaf. (d) Root MDA (Malonaldehyde) concentration in different treatments. Data represent means ± SE (n = 4). Bars with the same letter indicate no significant difference at P < 0.05 level by the method of LSD.