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. 2013 Oct 24;8(10):e77869. doi: 10.1371/journal.pone.0077869

Figure 5. Glycine-betaine, soluble sugar, soluble protein and protease activity in flag leaves of three barley genotypes.

Figure 5

Tibetan wild and cultivated barley plants were exposed to drought, salinity alone and combined stresses during anthesis stage at 4% soil moisture level. Error bars represent SD values (n=4). Different letters indicate significant differences (P<0.05) among the treatments within each genotype.