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Table 3 Dose response curve of Indole acetic acid (IAA) using wheat coleoptile section elongation (in mm) All data

From: Enhancement of plant growth regulators production from microalgae cultivated in treated sewage wastewater (TSW)

concentration of IAA (M) Initial coleoptile length (mm) Mean of final coleoptile length (mm) Mean of net coleoptile elongation (mm) Change from control (mm) Percentage (%)
Control 6 7.7 1.7 - -
10–8 6 8.3 2.3 0.6 35.3
10–7 6 8.4 2.4 0.7 41.2
10–6 6 8.8 2.8 1.1 64.7
10–5 6 8.9 2.9 1.2 70.6
10–4 6 7.6 1.6 -0.1 -5.9
10–3 6 6.8 0.8 -0.9 -52.9
Chlorella vulgaris ext. on BG11 (0.017 ppm) 6 7.8 1.5 -0.2 -11.8
Anabaena oryzae ext. on BG110 (0.24 ppm) 6 7.92 1.92 0.22 12.9
Nostoc muscorum ext. on BG110 (0.6 ppm) 6 7.6 1.6 -0.1 -5.9
  1. All data represent the mean values of 10 replica, initial length = 6 mm