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. 2014 Jul 23;1:14033. doi: 10.1038/hortres.2014.33

Figure 2.

Figure 2

Above-ground dry weight of S. alba and S. tomentosa accessions from Illinois (A-IL and T-IL) and Michigan (A-MI and T-MI) exposed to well-watered (WW, black columns) or 45 days of water-stress (WS, gray columns) treatments. Columns are means (n=6) and bars are ±s.e. Asterisks above pairs of columns indicate significant differences between treatments within an accession at *p<0.05. Accessions (pairs of columns) with the same letter are not significantly different based on Tukey’s Honestly Significant Different Test.