Fig. 1
From: Chromium (VI) – induced stress response in the plant Plantago ovata Forsk in vitro
Picture of 10 day-old P. ovata seedlings with different doses of Cr (VI) (1) 0 mM (control), (2) 0.1 mM, (3) 0.3 mM, (4) 0.5 mM, (5) 1 mM, (6) 1.5 mM and (7) 1.8 mM; a P. ovata in agar-sucrose germination medium; b Measurement of shoot and root length on graph paper