Fig. 1From: In vitro plant regeneration system for date palm (Phoenix dactylifera L.): effect of chelated iron sourcesCallus growth on MS media supplemented with chelated iron sources after 12-week treatment (T1) 36.7 mg L−1 FeEDTA (5.6 mg L−1 Fe) (control), (T2) 73.4 mg L−1 FeEDTA (11.2 mg L−1Fe), (T3) 93.5 mg L−1 FeEDDHA (5.6 mg L−1 Fe), (T4) 187.0 mg L−1 FeEDDHA (11.2 mg L−1Fe), and (T5) 280.5 mg L−1 FeEDDHA (16.8 mg L−1 Fe)Back to article page