From: Genome-wide microarray analysis of tomato roots showed defined responses to iron deficiency
Sample
SPAD indexa
FeIII-chelate reductase (mol g-1 root FW h-1)b
Fe-sufficient
29.5 ± 0.3
0.37 ± 0.04
Fe-deficient
16.8 ± 0.6
1.41 ± 0.06