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Figure S1. Frequency of DR5::GUS staining in Arabidopsis apices. DR5::GUS Arabidopsis seedlings were grown for 4 days in MS medium plates and then treated for 24 h with water (CTR), 1 mgC l−1 HS, 34 nM IAA, 50 μM NOA, 50 μM NOA + 1 mgC l−1 HS, 50 μM NOA + 34 nM IAA, 50 μM TIBA, 50 μM TIBA + 1 mgC l−1 HS, 50 μM TIBA + 34 nM IAA, 50 μM PCIB, 50 μM PCIB + 1 mgC l−1 HS, 50 μM PCIB + 34 nM IAA. Density was calculated as the total number of stained apices divided by the total number of seedlings analysed.

Figure S2.Arabidopsis primary root elongation in response to applied water (CTR), 1 mgC l−1 HS, IAA 34 nM, 50 μM NOA, 50 μM NOA + 1 mgC l−1 HS, 50 μM NOA + IAA34 nM, 50 μM TIBA, 50 μM TIBA + 1 mgC l−1 HS, 50 μM TIBA + 34 nM IAA, 50 μM PCIB, 50 μM PCIB + HS 1 mgC l−1, 50 μM PCIB + IAA 34 nM. Data are means ± SE obtained from more then 30 seedlings per treatment.

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FilenameFormatSizeDescription
PLB_248_sm_FigS1.eps6893KSupporting info item
PLB_248_sm_FigS2.eps5580KSupporting info item

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