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Table 1 Effect of NaHS on chlorophyll content, dry biomass, and Fe concentration of iron-deficient Glycine max plants. The 3-w-old Glycine max seedlings were treated with the nutrition solution containing 1 μM Fe(III)-EDTA or 50 μM Fe(III)-EDTA with or without 100 μM NaHS for 15 days. Error bars represents the mean ± SE. Different letters indicate significant differences with P < 0.05. –Fe, 1 μM Fe; −Fe + NaHS, seedlings treated with 100 μM NaHS and 1 μM Fe; +Fe, 50 μM Fe; +Fe + NaHS, seedlings treated with 100 μM NaHS and 50 μM Fe

From: Hydrogen sulphide alleviates iron deficiency by promoting iron availability and plant hormone levels in Glycine max seedlings

Treatments Chlorophyll content Dry biomass (g per plant) Fe concentration (mg g− 1 DW)
(mg g-1 FW) Leaf Stem Root Leaf Stem Root
- Fe 0.564 ± 0.022 d 0.106 ± 0.004 b 0.118 ± 0.008 b 0.046 ± 0.001 b 0.377 ± 0.005 c 0.202 ± 0.005 c 0.309 ± 0.013 d
- Fe + NaHS 0.992 ± 0.051 c 0.186 ± 0.007 a 0.209 ± 0.002 a 0.080 ± 0.002 a 0.490 ± 0.028 b 0.244 ± 0.021 b 0.399 ± 0.022 c
+ Fe 1.353 ± 0.046 b 0.174 ± 0.006 a 0.214 ± 0.024 a 0.084 ± 0.008 a 0.696 ± 0.033 a 0.425 ± 0.035 a 0.855 ± 0.113 b
+ Fe + NaHS 1.670 ± 0.068 a 0.181 ± 0.005 a 0.195 ± 0.003 a 0.083 ± 0.001 a 0.634 ± 0.041 a 0.394 ± 0.018 a 1.805 ± 0.107 a