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. 2011 May 27;6(5):e19976. doi: 10.1371/journal.pone.0019976

Figure 3. Normalized root lengths of Arabidopsis seedlings in various PHF concentrations under white light condition.

Figure 3

No observable difference on root elongation was detected in the PHF treated seedlings compared with control seedlings (p>0.05). Root lengths were all normalized to control within each experimental replicate. At least 25 seedlings per treatment were measured in each replicate. Error bars represents the standard deviation of the three independent trials.