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Fig. 2 | Annals of Forest Science

Fig. 2

From: Secondary metabolites in leaves of hybrid aspen are affected by the competitive status and early thinning in dense coppices

Fig. 2

Boxplots of the contents of foliar secondary metabolite classes (SA, salicylates; FLA, flavonoids; HC, hydroxycinnamates; JA, jasmonates; DHC, dihydrochalcones) by tree competitive status (DOM, dominant; SUP, suppressed) and thinning treatment (UT, un-thinned; C, corridor thinning; CC, cross-corridor thinning). Significantly different groups are distinguished with different letters, based on Tukey’s test. Boxes indicate lower and upper quartile, the horizontal line marks the median and the whiskers extend to the most extreme data point, which is no more than 1.5 times the interquartile range from the box. Outliers are shown with circles

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Annals of Forest Science

ISSN: 1297-966X