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. 2022 Dec 13;22:584. doi: 10.1186/s12870-022-03943-9

Fig. 1.

Fig. 1

Pro accumulation of 184 the cultivars among different sub-groups. Pro accumulation of European and Non-European sub-groups and cultivars sub-groups registered before (traditional) and after the year 2000 (modern) under drought stress treatment in the field a; STI of Pro between STI of Europe (STI for Europe) and STI of Non-Europe (STI for Non-Europe) and between the cultivar group modern and traditional b; STI value of hydrogen peroxide between Europe and Non-European group c. **, Significant (P < 0.05); NS, Non-significant