Supplementary Fig. 1. Representative gel images showing integration of 209-bp SaARF1 fragment in the T0 transformants of rice and Arabidopsis (a) and homozygosity of the rice (b) and Arabidopsis (c) transgenics in T2 generation.

Supplementary Fig. 2. Relative water content (a), membrane stability (b), stomatal conductance (c), proline concentration (d) and grain yield (e) of SaARF1-expressing rice under drought stress as compared to the control conditions.

Supplementary Fig. 3. Relative water content (a) and proline concentration (b) of SaARF1-expressing Arabidopsis under drought stress as compared to the control conditions.

Supplementary Table 1. Germiation of T1 rice seeds on MS medium supplemented with hygromycin (50 mg/L).

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